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10th International Symposium on Superalloys: Technical Program & Calendar of Events

 September 19-23, 2004  · 10TH INTERNATIONAL SYMPOSIUM ON SUPERALLOYS  · Champion, Pennsylvania

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FINAL TECHNICAL PROGRAM

The Tenth International Symposium on Superalloys is sponsored by: The Minerals, Metals & Materials Society (TMS).
Program organizers: Kenneth A. Green, Rolls-Royce Corporation; Hiroshi Harada, National Institute for Materials Science (NIMS); Tim Howson, Wyman-Gordon; Tresa M. Pollock, University of Michigan, Materials Science and Engineering Department; Roger C. Reed, The University of British Columbia, Department of Metals and Materials Engineering; John J. Schirra, Pratt & Whitney; and Scott Walston, GE Aircraft Engines.

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Sunday, September 19, 2004

SYMPOSIUM KEYNOTE ADDRESS
Location: Seven Springs Mountain Resort, Exhibit Hall
Session Chairs: Tresa Pollock; Kenneth A. Green

8:00 PM
Opening Remarks: Tresa Pollock, Symposium Chairman; Kenneth A. Green, Program Chairman

8:15 PM
Aero-Engine Business and Material Technologies in Japan: Yukiya G. Nakagawa1; 1Ishikawajima-Harima Heavy Industries Co., Ltd., R&D, 1 Shin Nakahara, Isogo-ku, Yokohama, Kanagawa 235-8501 Japan.

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Monday, September 20, 2004

ALLOY DEVELOPMENT—BLADES
Location: Seven Springs Mountain Resort, Exhibit Hall
Session Chairs: Hiroshi Harada, National Research Institute for Metals, Japan; Malcolm McLean, Imperial College London

8:30 AM
Joint Development of a Fourth Generation Single Crystal Superalloy: Scott Walston1; Alan Cetel3; Rebecca MacKay4; Kevin O’Hara2; David Duhl3; Robert Dreshfield4; 1GE Aircraft Engines, 1 Neumann Way, M85, Cincinnati, OH 45215 USA; 2GE Aircraft Engines, 1000 Western Ave., M/D 36807, Lynn, MA 01910 USA; 3Pratt & Whitney, 400 Main St., MS 114-43, E. Hartford, CT 06108 USA; 4NASA Glenn Research Center, 21000 Brookpark Rd, MS 49-3, Cleveland, OH 44135 USA

8:55 AM
Development of a New Alloy for Directional Solidification of Large Industrial Gas Turbine Blades: Ralf Bürgel1; Jörn Grossmann2; Oliver Lüsebrink2; Hael Mughrabi3; Florian Pyczak3; Robert F. Singer3; Andreas Volek3; 1University of Applied Sciences, Engrg. & Computer Scis., Albrechtstrasse 30, Osnabrück D-49076 Germany; 2Doncasters Precision Castings-Bochum, PO Box 102550, Bochum D-44725 Germany; 3University of Erlangen-Nuremberg, Martensstrasse 5, Erlangen D-91058 Germany

9:20 AM
Development of Next-Generation Ni-Base Single Crystal Superalloys: Yutaka Koizumi1; Toshiharu Kobayashi1; Tadaharu Yokokawa1; Jianxin Zhang1; Makota Osawa1; Hiroshi Harada1; Yasuhiro Aoki2; Mikiya Arai2; 1National Institute for Materials Science, High Temp. Matls. Grp., 1-2- 1 Sengen, Tsukuba Science City, Ibaraki 305-0047 Japan; 2Ishikawajima-Harima Heavy Industries, Matls. Tech. Dept., 3-5-1 Mukodai-cho, Nishi-Tokyo, Tokyo 188-8555 Japan

9:45 AM
Improved Single Crystal Superalloys, CMSX-4® (SLS)[La+Y] and CMSX-486®: Ken Harris1; Jacqueline B. Wahl1; 1Cannon-Muskegon Corporation, Box 506, Muskegon, MI 49443-0506 USA

INTERACTIVE SESSION I: ALLOY DEVELOPMENT & CREEP BEHAVIOR
Location: Seven Springs Mountain Resort, Exhibit Hall Annex

10:10 AM–11:10 AM
Development of Ni-Based Single Crystal Superalloys for Power-Generation Gas Turbines: Ryokighi Hashizume1; Akira Yoshinari2; Takamasa Kiyono3; Yoshinori Murata4; Masahiko Moringa4; 1The Kansai Electric Power Company Inc., Power Engrg. R&D Ctr., 11-20 Nakouji 3-chome, Amagasaki, Hyougo Pref. 661-0974 Japan; 2Hitachi Company, Ltd., Hitachi Rsch. Lab., 7-1-1 Ohmika-cho, Hitachi, Ibaraki 319-1292 Japan; 3Hitachi Company, Ltd., Thermal & Hydroelectric Sys. Div., 6 Kanda-Surugadai 4-Chome, Chiyoda-ku, Tokyo 101-8010 Japan; 4Nagoya University, Dept. of Matls. Sci. & Engrg., Grad. Sch. of Engrg., Furo-cho, Chikusa, Nagoya 464-8603 Japan
Thermal Stability Study on a New Ni-Cr-Co-Mo-Nb-Ti-Al Superalloy: Shuangqun Zhao1; Jianxin Dong1; Xishan Xie1; Gaylord D. Smith2; Shailesh J. Patel2; 1Universtiy of Science and Technology Beijing, High Temp. Matls. Rsch. Labs., Beijing 100083 China; 2Special Metals Corporation, Huntington, WV 25705 USA
Gamma/Gamma-Prime Microstructure Formed by Phase Separation of Gamma-Prime Precipitates in a Ni-Al-Ti Alloy: Minoru Doi1; Daisuke Miki1; Tomokazu Moritani1; Takao Kozakai1; 1Nagoya Institute of Technology, Dept. of Matls. Sci. & Engrg., Gokiso-cho, Showa-ku, Nagoya 466-8555 Japan
Alternate Material for Elevated Temperature Turbine Cooling Plate Applications: Jon Raymond Groh1; David P. Mourer2; 1GE Aircraft Engines, AEED-MPED, One Neumann Way, M/D M85, Evendale, OH 45215 USA; 2GE Aircraft Engines, AEED-MPED, 1000 Western Ave., Lynn, MA 01910 USA
Microstructure Control of Ni Base Alloys with High Volume Fraction of D022 Compound: Akane Suzuki1; Takashi Matsuo1; Masao Takeyama1; 1Tokyo Institute of Technology, Dept. of Metall. & Ceram. Sci., 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8552 Japan
On the Role of Tertiary Gamma Precipitates in the Creep Behaviour at 700°C of a PM Disk Superalloy: Didier Locq1; Pierre Caron1; Sonia Raujol2; Florence Pettinari-Sturmel2; Armand Coujou2; Nicole Clement2; 1Onera, DMMP, 29, Ave. de la Div. Leclerc, BP72, Châtillon 92322 France; 2CEMES/CNRS, 29, rue Jeanne Marvig, Toulouse 31055 France
Creep Deformation Mechanisms in Some Modern Single Crystal Superalloys: Jianxin Zhang1; Takao Murakumo1; Hiroshi Harada1; Yutaka Koizumi1; Toshiharu Kobayashi1; 1National Institute for Materials Science, High Temp. Matls. 21 Project, 1-2-1 Sengen, Tsukuba, Ibaraki 305- 0047 Japan
Primary Creep in Nickel-Base Superalloys: Dilip M. Shah1; Sarah Vega1; Shiela Woodard1; Alan Cetel1; 1Pratt & Whitney, Matls. & Process Engrg., 400 Main St., M/S114-43, E. Hartford, CT 06108 USA
Thickness Debit in Creep Properties of PWA 1484: Venkat Seetharaman1; Alan D. Cetel1; 1Pratt & Whitney, Matls. & Processes Engrg., 400 Main St., M/S 114-41, D Bldg., E. Hartford, CT 06108 USA
ETA Phase Formation During Thermal Exposure and its Effect on Mechanical Properties in Ni-Base Superalloy GTD 111: Baig Gyu Choi1; In Soo Kim1; Doo Hyun Kim1; Seong Moon Seo1; Chang Yong Jo1; 1Korea Institute of Machinary and Materials, High Temp. Matls. Grp., 66 Sangnam-dong , Changwon, Kyungnam 641-010 Korea
Deformation Mechanisms at Intermediate Creep Temperatures in René88 DT: G. B. Viswanathan1; Peter Sarosi1; Michael F Henry2; Deborah A. (DeMania) Whitis3; Michael J Mills1; 1Ohio State University, Dept. of Matls. Sci. & Engrg., 477 Watts Hall, 2041 College Rd., Columbus, OH 43210 USA; 2General Electric Global Research Center, Niskayuna, NY 12309; 3GE Aircraft Engines, Cincinnati OH 45215 USA

MECHANICAL BEHAVIOR—CREEP
Location: Seven Springs Mountain Resort, Exhibit Hall
Session Chairs: Malcolm McLean–Imperial College London; Hiroshi Harada–National Research Institute for Metals, Japan

11:10 AM
Single Crystal Superalloys: The Transition from Primary to Secondary Creep: G. L. Drew1; R. C. Reed2; K. Kakehi3; Catherine Mary Rae1; 1Cambridge University, Rolls-Royce UTP, Dept. of Matls. Sci. & Metall., Pembroke St., Cambridge CB2 3QZ UK; 2University of British Columbia, 309-6350 Stores Rd., Vancouver, BC V6T 1Z4 Canada; 3Tokyo Metropolitan University, Dept. of Mechl. Engrg., Minami Osawa 1-1, Hachioji, Tokyo 192-0397 Japan

11:35 AM
Mechanisms of High Temperature Creep of Nickel-Base Superalloys Under Low Applied Stress: Alexander Epishin1; Thomas Link2; 1Federal Institute of Materials Research and Testing, V.1, Unter den Eichen 87, Berlin D-12205 Germany; 2Technical University Berlin, BH 18, Ernst Reuter-Platz 1, Berlin D-10578 Germany

12:00 PM
A Study on Bending Deformation Behavior of Ni-Based DS and SC Superalloys: Hideki Tamaki1; Koichi Fujita1; A. Okayama1; Noriaki Matsuda1; Akira Yoshinari1; Koji Kakehi2; 1Hitachi, Ltd., Hitachi Rsch. Lab., Dept. of Matls. Rsch. for Power Plants, MD#840 7-1-1 Ohmika, Hitachi, Ibaraki 319-1292 Japan; 2Tokyo Metropolitan Institute of Technology, 6-6 Asahigaoka, Hino, Tokyo 191-0065 Japan

12:25 PM
Creep Strength of Ni-Base Single Crystal Superalloys on gamma/gamma prime Tie Line: Takao Murakumo1; Yutaka Koizumi1; Toshiharu Kobayashi1; Hiroshi Harada1; 1National Institute for Materials Science, High Temperature Materials Group, 1-2-1 Sengen, Ttsukuba Science City, Ibaraki 305-0047 Japan

ALLOY DEVELOPMENT—DISKS
Location: Seven Springs Mountain Resort, Exhibit Hall
Session Chairs: Xiaofeng Sun–Institute of Metal Research, China; Kenneth A. Green–Rolls-Royce Corporation

6:30 PM
The Influence of Grain Boundary Elements on Properties and Microstructure of P/M Nickel Base Superalloys: Eric S. Huron1; Kenneth R. Bain1; David P. Mourer1; J. J. Schirra2; P. L. Reynolds2; E. E. Montero2; 1General Electric, GE Aircraft Engines, Mail Drop G50, 1 Neumann Way, Cincinnati, OH 45215 USA; 2Pratt & Whitney, E. Hartford, CT USA

6:55 PM
Developing Damage Tolerance and Creep Resistance in a High Strength Nickel Alloy for Disc Applications: Mark Christopher Hardy1; Brian Zirbel2; Gangshu Shen2; Ravi Shankar2; 1Rolls-Royce plc, Matls., Moor Ln., PO Box 31, Derby, Derbyshire DE24 8BJ UK; 2Ladish Co., Inc., PO Box 8902, 5481 S. Packard Avenue, Cudahy, WI 53110-8902 USA

7:20 PM
Role of Chemistry in 718-Type Alloys—Allvac® 718Plus™ Alloy Development: Wei-Di Cao1; Richard L Kennedy1; 1Allvac, R&D, 2020 Ashcraft Ave., PO Box 5030, Monroe, NC 28111 USA

INTERACTIVE SESSION II: COATINGS AND ENVIRONMENTAL EFFECTS & MODELING
Location: Seven Springs Mountain Resort, Exhibit Hall Annex

7:45 PM–8:45 PM
Oxidation Behavior of Two Nickel-Base Superalloys Used as Elevated Temperature Valves in Spark Ignited Engines and Diesel Exhaust Recirculation (EGR) Applications: Shubhayu Sinharoy1; Sundaram L Narasimhan1; 1Eaton Corporation, Engine Air Mgmt. Ops., 19218 B Dr. S., Marshall, MI 49068 USA
Thermal Stability of INCONEL Alloy 783 at 593°C and 704°C: Sarwan Kumar Mannan1; Gaylord Darrell Smith1; Shailesh J. Patel1; 1Special Metals Corporation, Tech., 3200 Riverside Dr., Huntington, WV 25705-1771 USA
The Formation of SRZ for the Fourth Generation Single Crystal Superalloy Applied with Aluminide Coating: Yuki Matsuoka1; Y. Aoki1; K. Matsumoto1; A. Satou1; T. Suzuki1; K. Chikugo1; K. Murakami1; 1Ishikawajima-harima Heavy Industries Co., Rsch. Lab., 1, Shin-nakaharacho, Isogo-ku, Yokohama, Kanagawa 235-8501 Japan
Low Coefficient of Thermal Expansion (CTE) Nickel Base Superalloys for Interconnect Application in Intermediate Temperature Solid Oxide Fuel Cells (SOFC): David E. Alman1; Paul D. Jablonski1; 1U.S. Dept. of Energy, Albany Rsch. Ctr., 1450 Queen Ave., SW, Albany, OR 97321 USA
Environmental Behavior of Low Thermal Expansion INCONEL® Alloy 783: Eric A. Ott1; Jon R. Groh1; Sarwan K. Mannan2; 1GE Aircraft Engines, Matls. & Process Engrg., 1 Neumann Way, MD M89, Cincinnati, OH 45215 USA; 2Special Metals Corporation, 3200 Riverside Dr., Huntington, WV 25705 USA
Simulation of the Thermal History Dependence of Primary Spacing During Directional Solidification: Hongbiao Dong1; Wei Wang2; Peter D Lee1; 1Imperial College London, Dept. of Matls., Prince Consort Rd., London SW7 2BP UK; 2Alcoa Technical Center, 100 Techl. Dr., Alcoa Ctr., PA 15069 USA
Phase-Field Modeling with CALPHAD and CVM for Microstructural Evolution of Ni-Base Superalloy: Jincheng Wang1; Makoto Osawa1; Tadaharu Yokokawa1; Hiroshi Harada1; Masato Enomoto2; 1National Institute for Materials Science, High Temp. Matls. 21 Project, 1-2-1 Sengen, Tsukuba Science City, Ibaraki 305-0047 Japan; 2Ibaraki University, Dept. of Matls. Sci., 4-12-1, Nakanarusawa, Hitachi, 316-8511 Japan
The Application of Neural Network to the Development of Single Crystal Superalloys: Young-Soo Yoo1; In-Soo Kim1; Doo-Hyun Kim1; H. M. Kim2; Chang-Yong Jo1; C. Neal Jones3; 1KIMM, Dept. of Matls. Procg., 66 Sangnam-dong, Changwon, Kyungnam 641-010 Korea; 2KISTEP, 275 Yangjae-dong, Seocho-gu, Seoul 137-130 Korea; 3Rolls Royce plc, PO Box 31, Derby DB24 8BJ UK
The Sensitivity of Investment Casting Simulations to the Accuracy of Thermophysical Property Values: Xiaoli Yang1; Peter D. Lee1; R. F. Brooks2; R. Wunderlich3; 1Imperal College London, Matls., Prince Consort Rd., London SW7 2BP UK; 2NPL, Matls. Ctr., Teddington, London TW11 2UL UK; 3Universität Ulm, Albert-Einstein-Allee 47, Ulm D89081 Germany
EBSD Investigation and Modeling of the Microstructural Evolutions of Superalloy 718 During Hot Deformation: Jean-Philippe Thomas1; Christian Dumont2; Frank Montheillet1; Etienne Bauchet1; 1Ecole Nationale Supérieure des Mines, Centre SMS - Unité CNRS, 158 cours Fauriel, 42023 Saint-Etienne Cedex 2 France; 2Aubert & Duval, Service R&D, BP1, 63070 Les Ancizes Cedex France
Integration of Computational Tools for Designing Ni-Base Superalloys: Shihuai Zhou1; Yi Wang1; Jingzhi Zhu1; Tao Wang1; Long-Qing Chen1; Rebecca A. MacKay2; Zi-Kui Liu1; 1Pennsylvania State University, Dept. of Matls. Sci. & Engrg., 107 Steidle Bldg., State College, PA 16802 USA; 2NASA Glenn Research Center, Matls. Div., 21000 Brookpark Rd., Cleveland, OH 44135 USA
3D-FEM Calculations of Rafting in Ni-Base Superalloys Based on High Temperature Elastic and Lattice Parameters: Makoto Osawa1; H. Shiraishi1; Tadaharu Yokokawa1; Hiroshi Harada1; Toshiharu Kobayashi1; 1National Institute for Materials Science, High Temp. Matls. 21 Project, 1-2-1 sengen, Tsukuba, Ibaraki 305-0047 Japan

PANEL PRESENTATION AND DISCUSSION–PERSPECTIVES ON COLLABORATIVE EFFORTS
Location: Seven Springs Mountain Resort, Exhibit Hall
Session Chairs: Kenneth A. Green–Rolls-Royce Corporation; Tresa Pollock–University of Michigan

8:45 PM–10:00 PM
Panel Moderator: Jim Williams, Ohio State University
Panel: Leo Christodoulou, DARPA; Rollie Dutton, AFRL; Tasadduq Khan, ONERA; AJ Misra, NASA; Robert Schafrik, GE Aircraft Engines; Malcolm Thomas, Rolls-Royce; Xishan Xie, University of Science & Technology Beijing

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Tuesday, September 21, 2004

MECHANICAL BEHAVIOR—FATIGUE
Location: Seven Springs Mountain Resort, Exhibit Hall
Session Chairs: Masakazu Okazaki–Nagaoka University of Technology; Tim Howson–Wyman-Gordon

8:30 AM
Microstructural Variables Controlling Time-Dependent Crack Growth in a P/M Superalloy: Jack Telesman1; Pete Kantzos2; John Gayda1; P. J. Bonacuse3; Anthony Prescenzi4; 1NASA Glenn Research Center, MS 49-7, 21000 Brookpark Rd., Cleveland, OH 44135 USA; 2Ohio Aerospace Institute, Brookpark, OH USA; 3US Army Research Laboratory, Cleveland, OH 44135 USA; 4Ohio State University, Columbus, OH, USA

8:55 AM
A Comparative Study of Thermo-Mechanical Fatigue of Two Ni-Base Single Crystal Superalloys: Hao Zhou1; M. Osawa1; Hiroshi Harada1; Tadaharu Yokokawa1; Y. Koizumi1; T. Kobayashi1; M. Waki1; Yoshikazu Ro1; Ikuo Okada2; 1National Institute for Materials Science, HTM21 Project, 1-2-1 Sengen, Tsukuba-shi, Ibaraki 305-0047 Japan; 2Mitsubishi Heavy Industries, Takasago R&D Ctr., 2-1-1 Shinhama Arai-cho, Takasago, Hyogo 676-8686 Japan

9:20 AM
The Effect of Partial Vacuum on the Fatigue Crack Growth of Nickel Base Superalloys: Andrew Henry Rosenberger1; 1Air Force Research Laboratory, Matls. & Mfg. Direct., AFRL/MLLMN, 2230 Tenth St., Ste. 1, WPAFB, OH 45433-7817 USA

9:45 AM
Hold-Time Effect on Low-Cycle Fatigue Behavior of HASTELLOY® X Superalloy at High Temperatures: Y. L. Lu1; L. J. Chen1; G. Y. Wang1; M. L. Benson1; P. K. Liaw1; S. A. Thompson2; J. W. Blust2; P. F. Browning2; A. K. Bhattacharya2; J. M. Aurrecoechea2; D. L. Klarstrom3; 1University of Tennessee, Dept. of Matls. Sci. & Engrg., Knoxville, TN 37996-2200 USA; 2Solar Turbines Inc., 2200 Pacific Hwy., PO Box 85376, MZ R-1, San Diego, CA 92186-5376 USA; 3Haynes International, Inc., 1020 W. Park Ave., PO Box 9013, Kokomo, IN 46904-9013 USA

INTERACTIVE SESSION III: DISK ALLOYS & FATIGUE
Location: Seven Springs Mountain Resort, Exhibit Hall Annex

10:10 AM–11:10 AM
Effects of High Temperature Exposures on Fatigue Life of Disk Superalloys: Tim P. Gabb1; Jack Telesman1; Pete Kantzos2; James W. Smith3; Paul F. Browning4; 1NASA Glenn Research Center, 21000 Brookpark Rd., MS 49-3, Cleveland, OH 44135 USA; 2Ohio Aerospace Institute, 22800 Cedar Point Rd., Cleveland, OH 44142 USA; 3QSS Group, Inc., 21000 Brookpark Rd., Cleveland, OH 44135 USA; 4Solar
Turbines Inc., Turbotec , 2200 Pacific Hwy., San Diego, CA 92101 USA
Fatigue Crack Propagation Behaviors of New Developed Allvac® 718Plus™ Superalloy: Xingbo Liu1; Shalini Rangarajan1; Ever Barbero1; Keh-Minn Chang1; Wei-Di Cao2; Richard Kennedy2; Tadeu Carneiro3; 1West Virginia University, Mechl. & Aeros. Engrg., PO Box 6106, Morgantown, WV 26506-6106 USA; 2Allvac, R&D, 2020 Ashcraft Ave., PO Box 5030, Monroe, NC 28111-5030 USA; 3Reference Metals Company, 1000 Old Pond Rd., Bridgeville, PA 15017 USA
On TMF Damage, Degradation Effects, and the Associated TMIN Influence on TMF Test Results in ’ Alloys: Douglas James Arrell1; Magnus Hasselqvist1; Christoph Sommer2; J. Moverare1; 1Demag DeLaval Industrial Turbomachinery AB, Matls. Tech., Slottsvägen, Finspång,Östergötland 612 84 Sweden; 2Fachhochschule Südwestfalen, University of Applied Sciences, Lindenstr. 53, Meschede D-59872 Germany
Fatigue Crack Growth Behaviour Under Mixed Mode Loading in UDIMET 720 SX: Mark Richard Joyce1; Philippa Reed1; 1University of Southampton, Matls. Rsch. Grp., Sch. of Engrg. Sci., Highfield, Southampton, Hampshire SO17 1BJ UK
Divergence of Mechanisms and the Effect on the Fatigue Life Variability of René 88DT: Michael J. Caton1; Sushant K. Jha2; Andrew H. Rosenberger1; James M. Larsen1; 1Air Force Research Laboratory, Matls. & Mfg. Direct., AFRL/MLLMN, Wright-Patterson AFB, OH 45433- 7817 USA; 2Universal Technology Corporation, 1270 N. Fairfield Rd., Dayton, OH 45432 USA
Development of Ultrasonic Fatigue for Rapid, High-Temperature Fatigue Studies in Turbine Engine Materials: A. Shyam1; C. J. Torbet1; S. K. Jha2; J. M. Larsen3; M. J. Caton3; C. J. Szczepanski1; T. M. Pollock1; J. W. Jones1; 1University of Michigan, Dept. of Matls. Sci. & Engrg., 2300 Hayward, Ann Arbor, MI 48109 USA; 2Universal Technlogy Corporation, Dayton, OH 45432 USA; 3Air Force Research Laboratory, Matls.& Mfg. Direct., AFRB/MLLMN Wright-Patterson AFB, Dayton, OH 45433 USA
Crystallographic Initiation of Nickel-Base Superalloy IN100 at RT and 538 C Under Low Cycle Fatigue Conditions: Kezhong Li1; Noel E. Ashbaugh1; Andrew H. Rosenberger2; 1University of Dayton Research Institute, 300 College Park, Dayton, OH 45469-0128 USA; 2Air Force Research Laboratory, Matls. & Mfg. Direct., AFRL/MLLMN, 2230 Tenth St., WPAFB, OH 45433-7817 USA
Process Development and Mechanical Properties of Alloy U720LI for High Temperature Turbine Disks: Raphael Couturier1; Hélène Burlet1; S. Terzi1; Sophie Dubiez1; Laure Guétaz1; Gérard Raisson2; 1CEA Grenoble, DRT-DTEN-SMP-LS2M, 17 rue des martyrs, Grenoble 38054 France; 2Aubert & Duval Holding, Direction Technique, Parc Technologique la Pardieu, 6 rue condorcet, Clermont-Ferrand 63063 France
Development of Gamma-Prime Morphology in P/M Rotor Disc Alloys During Heat Treatment: Robert John Mitchell1; M. C. Hardy2; Michael Preuss2; Sammy Tin1; 1Rolls-Royce University Technology Partnership, Dept. of Matls. Sci. & Metall., University of Cambridge, Pembroke St., Cambridge, Cambridgeshire CB2 3QZ UK; 2Rolls-Royce plc, PO Box 31, Derby DE24 8BJ UK; 2Manchester Materials Science Centre & UMIST, Grosvenor St., Manchester M1 7HS UK
Ageing Characterization of the Powder Metallurgy Superalloy N18: Benjamin Flageolet1; Patrick Villechaise1; Mustapha Jouiad1; JoséMendez1; 1LMPM-ENSMA, 1, Ave. Clement Ader BP 40109, Teleport 2, Futuroscope-Chasseneuil 86961 France
Assessment of Russian P/M Superalloy EP741NP: John Radavich1; David Furrer2; 1Micro-Met Laboratories, 209 North St., W. Lafayette, IN 47906 USA; 2Ladish Co., Inc., PO Box 8902, Cudahy, WI 53110-8902 USA
Recovery and Recrystallization After Critical Strain in the Nickel-Based Superalloy René 88DT: Deborah Ann (DeMania) Whitis1; 1GE Aircraft Engines, MPED, 1 Neumann Way, MD H85, Evendale, OH 45215 USA
Dual Heat Treat Process Development for Advanced Disk Applications: David P. Mourer1; Jeffrey L. Williams2; 1GE Aircraft Engines, 1000 Western Ave., Lynn, MA 01915 USA; 2GE Aircraft Engines, MPED, 1 Neumann Way, Cincinnati, OH 45215 USA
The Effect of Powder Cleanliness on the Fatigue Behavior of Powder Metallurgy Ni-Disk Alloy Udimet 720: Pete Bonacuse4; Jack Telesman2; Pete Kantzos3; T. Gabb3; R. Barrie2; Anthony Banik1; 1Special Metals Corporation, Powder Div., 100 Industry Ln., Princeton, KY 41445 USA; 2NASA Glenn Research Center, 21000 Brookpark Rd., Cleveland, OH 44131 USA; 3Ohio Aerospace Institute, NASA GRC, 21000 Brookpark Rd., MS 49-7, Cleveland, OH 44135 USA; 4Army Research Laboratory, NASA GRC, 21000 Brookpark Rd., Cleveland, OH 44135 USA
Imaging and Characterization of Precipitates in Nickel-Based Superalloys: Peter Maxwell Sarosi1; Babu Gopal Viswanathan1; Deborrah (Demania) Whitis2; Mike J Mills1; 1Ohio State University, Matls. Sci. & Engrg., 2041 College Rd., Columbus, OH 43210 USA; 2GE Aircraft Engines, Cincinnati, OH USA

DISK ALLOYS
Location: Seven Springs Mountain Resort, Exhibit Hall
Session Chairs: Tim Howson–Wyman-Gordon; Masakazu Okazaki–Nagaoka University of Technology

11:10 AM
Modeling and Measurement of Residual Stresses in a Forged IN718 Superalloy Disc: D. Dye1; Sammy Tin1; B. A. Roder2; M. A. Rist3; J. A. James3; M. R. Daymond4; 1University of Cambridge, Dept. of Matls. Sci. & Metall., Pembroke St., Cambridge CB2 3QZ UK; 1Imperial College, Dept. of Matls., Royal Sch. of Mines, Prince Consort Rd., S. Kensington, London SW7 2BP UK; 3Open University, Dept. of Matls. Engrg., Milton Keynes OX11 0QX UK; 4ISIS, Rutherford Appleton Lab., Chilton, Didcot OX11 0QX UK

11:35 AM
The Effect of Dual Microstructure Heat Treatment on an Advanced Nickel-Base Disk Alloy: John Gayda1; T. P. Gabb1; P. T. Kantzos2; 1NASA Glenn Research Center, 21000 Brookpark Rd., M.S. 49-3, Cleveland, OH 44135 USA; 2Ohio Aerospace Institute, 22800 Cedar Point Rd., Cleveland, OH 44142 USA

12:00 PM
Effects of Microstructure on High Temperature Constitutive Behavior of IN100: Walter W. Milligan1; Erica L. Orth1; John J. Schirra2; Michael F. Savage2; 1Michigan Technological University, Matls. Sci. & Engrg., Rm 512, M&M Bldg., Houghton, MI 49931 USA; 2Pratt and Whitney, 400 Main St., MS 114-40, E. Hartford, CT 06108 USA

12:25 PM
Effect of Microstructure (and Heat Treatment) on the 649 C Properties of Advanced P/M Superalloy Disk Materials: John J. Schirra1; Paul L. Reynolds1; Enrique E. Montero1; Eric S. Huron2; Kenneth R. Bain2; David P. Mourer3; 1Pratt & Whitney, 400 Main St., E. Hartford, CT 06118 USA; 2General Electric Aircraft Engines, Cinncinati, OH USA; 3General Electric Aircraft Engines, Lynn, MA USA

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Wednesday, September 22, 2004

ADVANCES IN PROCESSING
Location: Seven Springs Mountain Resort, Exhibit Hall
Session Chairs: Roger Reed – University of British Columbia; Jon Schaeffer – GE Power Systems

8:30 AM
Issues in Processing by the Liquid-Sn Assisted Directional Solidification Technique: Andrew J. Elliott1; Graeme B. Karney2; Michael F.X. Gigliotti3; Tresa M. Pollock1; 1University of Michigan, Matls. Sci. & Engrg., 2300 Hayward St., Ann Arbor, MI 48109-2136 USA; 2Oxford University, Matls. Sci., Parks Rd., Oxford OX1 3PH UK; 3GE, Corporate R&D, Niskayuna, NY 21309 USA

8:55 AM
Superalloy Lattice Block Structures: Michael V. Nathal1; J. D. Whittenberger1; M. G. Hebsur1; P. T. Kantzos1; D. L. Krause1; 1NASA Glen Research Center, 21000 Brookpark Rd., Cleveland, OH 44135-3191 USA

9:20 AM
Evaluation of the IN 939 Alloy for Large Aircraft Engine Structures: Göran Sjöberg1; Dzevad Imamovic1; Johannes Gabel2; Oscar Caballero3; Jeffery W. Brooks4; Jean- Pierre Ferte5; Ariane Lugan6; 1Volvo Aero; 2MTU; 3ITP; 4QinetiQ; 5Snecma; 6TWI

9:45 AM
Micro-Mechanical Behavior Study of Non-Metallic Inclusions in P/M Disk Superalloy Rene’95: Xishan Xie1; Lina Zhang2; Maicang Zhang1; Jianxin Dong1; Kenneth R. Bain3; 1University of Science and Technology Beijing, High Temp. Matls. Rsch. Labs., Beijing 100083 China; 2Tsinghua University, Sch. of Matls. Sci. & Engrg., Beijing 100084 China; 3GE Aircraft Engines, Cincinnati, OH 45215 USA

INTERACTIVE SESSION IV: PROCESSING
Location: Seven Springs Mountain Resort, Exhibit Hall Annex

An Innovative Device for the Mechanical Testing of Miniature Specimens of the Superalloys: Bryan Roebuck1; David Cox2; Roger Reed3; 1National Physical Laboratory, Queen’s Rd., Teddington, London TW11 0LW UK; 2University of Surrey, Guildford UK; 3University of British Columbia, Vancouver Canada
Weldability of Directionally Solidified TMS-75 and TMD-103 Superalloys: Y. L. Wang1; X. Yu1; Norman L. Richards1; Mahesh C. Chaturvedi1; 1University of Manitoba, Dept. of Mechl. & Industrial Engrg., Winnipeg, Manitoba R3T5V6 Canada
Effects of Segregation in Nickel-Base Superalloys: Dendritic Stresses: Alexander Epishin1; Thomas Link2; Udo Brueckner1; Bernard Fedelich1; Pedro Portella1; 1Federal Institute of Materials Research and Testing, V.1, Unter den Eichen 87, Berlin D-12205 Germany; 2Technical University Berlin, BH 18, Ernst Reuter-Platz 1, Berlin D-10578 Germany
Determination of the Gamma’-Solvus Temperature of Two Commercial Wrought Ni-Base Superalloys by Thermal Expansion Measurements: Wolfgang Hermann2; Michael Fahrmann1; Hans-Georg Sockel3; 1Special Metals Corporation, Tech. Dept., 3200 Riverside Dr., Huntington, WV 25705 USA; 2Siemens KWU, Matls. Tech., Wiesenstrasse 35, Muehlheim a. d. Ruhr D-45473 Germany; 3University of Erlangen-Nuernberg, Dept. of Matls. Sci., Germany
A Study of the Effect of Electro-Slag Re-Melting Parameters on the Structural Integrity of Large Diameter Alloy 718 ESR Ingot: David G. Evans2; Michael Fahrmann1; 1Special Metals Corporation, Tech. Dept., 3200 Riverside Dr., Huntington, WV 25705 USA; 2Special Metals Corporation, Process Engrg., 4317 Middle Settlement Rd., New Hartford, NY 13413 USA
Design of Nanoporous Superalloy Membranes by Self-Assembly of the Gamma Prime Phase: Joachim Rösler1; Oliver Näth1; Fabian Schmitz1; Debashis Mukherji1; 1Technical University Braunschweig, Inst. für Werkstoffe, Langer Kamp 8, Braunschweig 38106 Germany
Cast Structure and Mechanical Properties of Fine Grained Superalloy K4169 by Addition of Refiners: Lin Liu1; Taiwen Huang1; Yuhua Xiong2; Aimin Yang3; Zhilong Zhao1; Rong Zhang1; Jinshan Li1; 1Northwestern Polytechnical University, State Key Lab. of Solidification Procg., Xi’an 710072 China; 2Tsinghua University, Dept. of Mechl. Engrg., Beijing 100084 China; 3Xi’an Petroleum Institute, Dept. of Mechl. Engrg., Xi’an 710065 China
Welding of Single Crystal Superalloy CMSX-4: Experiments and Modelling: David Dye1; Kelly T. Conlon2; Peter D. Lee1; Ronald B. Rogge2; Roger C. Reed3; 1Imperial College, Dept. of Matls., Royal Sch. of Mines, Prince Consort Rd., London SW7 2AZ UK; 2National Research Council of Canada, Chalk River Labs., Chalk River, Ontario K0J 1J0 Canada; 3University of British Columbia, Dept. of Metals& Matls. Engrg., 309-6350 Stores Rd., Vancouver, BC V6T 1Z4 Canada
Characterisation of Gamma Prime Across Inertia Friction Welded Alloy 720Li: Michael Preuss1; Joao Quinta da Fonseca1; Ioannis Kyriakoglou2; Philip J. Withers1; Gavin J. Baxter3; 1UMIST, Manchester Matls. Sci. Ctr., Grosvenor St., Manchester M1 7HS UK; 2University of Birmingham, Sch. of Engrg., Metall. & Matls., Edgbaston, Birmingham B15 2TT; 3Rolls-Royce plc., PO Box 31, Derby DE24 8BJ UK
Nanoindentations as a Local Probe for the Mechanical Properties and Alloying Influences in Nickel-Base Superalloys and Aluminide Coatings: K. Durst1; O. Franke1; Mathias Goeken1; 1University Erlangen-Nuremnberg, Matls. Sci. & Engrg., Martensstrasse 5, Erlangen 91058 Germany
Analysis of Stray Grain Formation in Single-Crystal Nickel-Based Superalloy Welds: John M. Vitek1; Suresh Babu1; Jin-Woo Park2; Stan A. David1; 1Oak Ridge National Laboratory, Metals & Ceram. Div., PO Box 2008, Bldg. 4508, MS 6096, Oak Ridge, TN 37831-6096 USA; 2Samsung Electro-Mechanic Co, Inc, 314 Maetan-3Dong, Paldal-Gu, Suwon, Kyunggi-Do 442-743 Korea
Weldability and Mechanical Behavior of GTD-141: Ganjiang Feng1; Arthur Peck1; Steve Balsone1; Tadeu Carneiro2; 1GE, 300 Garlington Rd., Greenville, SC 29615 USA; 2Reference Metals Co., 1000 Old Pond Rd., Bridgeville, PA 15017 USA
Mechanical Property and Microstructural Characterization of Vacuum Die Cast Superalloy Materials: John J. Schirra1; Christopher A. Borg1; Robert W. Hatala1; 1Pratt & Whitney, 400 Main St., E. Hartford, CT 06118 USA
Low Cost Powder Metal Turbine Components: Anthony Banik2; Kenneth A. Green1; M. C. Hardy3; David P. Mourer4; Tiffany Reay5; 1Rolls- Royce, PO Box 420, S/C W05, Indianapolis, IN 46206 USA; 2Special Metals Corporation, :Princeton, KY 42445 USA; 3Rolls-Royce plc, Derby UK; 4GE Aircraft Engines, Lynn, MA 01910 USA; 5Ladish Co., Inc., Cudahy, WI USA
Microstructure, Macrostructure, and Modelling of the Centrifugal Spray Deposition of Large Diameter NI Superalloy Preforms: Mark D. Barratt1; R. Mark Ward1; Zhifang Peng2; Zhusheng Shi3; Jiawei Mi3; Patrick Grant3; Mike H. Jacobs1; 1University of Birmingham, IRC in Matls. Procg., Edgbaston, Birmingham, W. Midlands B15 2TT UK; 2Wuhan University, Dept. of Matls. Engrg., Wuhan 430072 China; 3University of Oxford, Dept. of Matls., Parks Rd., Oxford OX1 3PH UK;

COATINGS AND ENVIRONMENTAL EFFECTS
Location: Seven Springs Mountain Resort, Exhibit Hall
Session Chairs: Jon Schaeffer–GE Power Systems; Roger Reed–University of British Columbia

11:10 AM
Coating and Surface Technologies for Turbine Airfoils: Scott Walston1; 1GE Aircraft Engines, 1 Neumann Way, M85, Cincinnati, OH 45215 USA

11:35 AM
Application of Ir-Base Alloys to Novel Oxidation Resistant Bond-Coatings: Hideyuki Murakami1; Aya Suzuki2; Feng Wu3; P. Kuppusami4; Hiroshi Harada3; 1University of Tokyo, Dept. of Matls. Engrg., Faculty of Engrg., 7-3-1, Hongo, Bunkyo-ku, Tokyo 113-8656 Japan; 2Shibaura Institute of Technology, 3-9-14 Shibaura, Minato-ku, Tokyo, Japan; 3National Institute for Materials Science, High Temp. Matls. Grp., 1-2-1, Sengen, Tsukuba City, Ibaraki 305-0047 Japan; 4Indira Gandhi Centre for Atomic Research, Physical Metall. Sect., Kalpakkam India

12:00 PM
The Use of Model Alloys to Understand and Improve the Performance of Pt-Modified Aluminide Coatings: Bruce A. Pint1; J. Allen Haynes1; Karren L. More1; Ian G. Wright1; 1Oak Ridge National Laboratory, Metals & Ceram. Div., PO Box 2008, MS 6156, 1 Bethel Valley Rd., Oak Ridge, TN 37831-6156 USA

12:25 PM
The Effects of Water Vapor on the Oxidation of Nickel-Base Superalloys and Coatings at Temperatures from 700 C to 1100 C: K. Onal1; M. C. Maris-Sida1; G. H. Meier1; F. S. Pettit1; 1University of Pittsburgh, Dept. of Matls. Sci. & Engrg., Pittsburgh, PA 15261 USA

BLADE ALLOYS I
Location: Seven Springs Mountain Resort, Exhibit Hall
Session Chairs: Scott Walston–GE Aircraft Engines, USA; Pierre Caron–ONERA, France

6:30 PM
High Cycle Fatigue in a Single Crystal Superalloy: Time Dependence at Elevated Temperature: P. Kennard Wright1; Meenoo Jain1; David Cameron2; 1GE Aircraft Engines, MPED, 1 Neumann Way, G50, Cincinnati, OH 45215 USA; 2Honeywell Engines, Sys. & Serv., Matls.& Process Engrg., M/S 503-115, PO Box 52181, Phoenix, AZ 85072-2181 USA

6:55 PM
Relationships Between Microstructural Instabilities and Mechanical Behaviour in New Generation Nickel-Based Single Crystal Superalloys: Odile Lavigne1; Catherine Ramusat1; Stefan Drawin1; Pierre Caron1; Denis Boivin1; Jean-Louis Pouchou1; 1Onera, DMMP, 29, Ave. de la Div. Leclerc, Châtillon 92322 France

7:20 PM
High Temperature Creep Behaviours of Ru-Bearing Ni-Based Single Crystal Superalloys: An-Chou Yeh1; Cathie M Rae1; Sammy Tin1; 1Cambridge University, Matls. Dept., Pembroke St., Cambridge UK

INTERACTIVE SESSION V: BLADE ALLOYS
Location: Seven Springs Mountain Resort, Exhibit Hall Annex

7:45 PM–8:45 PM
Influence of Solidification Conditions on TCP Phase Formation, Casting Porosity and High Temperature Mechanical Properties in a Re- Containing Nickel-Base Superalloy with Columnar Grain Structure: Andreas M. Volek1; Robert F. Singer1; 1University of Erlangen, Dept. of Matls. Sci., WTM Inst., Martensstrasse 5, Erlangen 91058 Germany
The Effects of Different Alloying Elements on Thermal Expansion Coefficients, Lattice Constants and Misfit of Nickel-Based Superalloys Investigated by X-Ray Diffraction: Florian Pyczak1; Bastian Devrient2; Hael Mughrabi1; 1University Erlangen-Nuernberg, Inst. for General Matls. Prop., Martensstrasse 5, Erlangen, Bavaria D-91058 Germany; 2Framatome ANP, Freyeslebenstrasse 1, Erlangen, Bavaria D-91058 Germany
Defect Grains in the Melt-Back Region of CMSX-4 Single Crystal Seeds: Nicole Stanford1; Aleksander Djakovic1; Barbara A. Shollock1; Malcolm McLean1; Neil D’Souza2; Paul Jennings3; 1Imperial College London, Dept. of Matls., Exhibition Rd., London SW7 2AZ UK; 2Rolls- Royce plc, Precision Casting Facility, PO Box 31, Derby DE24 8BJ UK; 3Rolls-Royce plc, Company R&D Foundry, PO Box 3, Filton, Bristol BS34 7QE UK
Hot Tearing in Directionally Solidified Ni-Based Superalloys: Jian Zhang1; 1Chinese Academy of Sciences, Inst. of Metal Rsch., Superalloys Div., Wenhua Rd. 72, Shenyang, Liaoning 110016 China
Atomic Partitioning of Ruthenium in Ni-Based Superalloys: Sammy Tin1; A. C. Yeh1; A. P. Ofori1; R. C. Reed2; S. S. Babu3; M. K. Miller3; 1University of Cambridge, Dept. of Matls. Sci. & Metall., Pembroke St., Cambridge CB2 3QZ UK; 2University of British Columbia, 309-6350 Stores Rd., Vancouver V6T 1Z4 Canada; 3Oak Ridge National Laboratory, Metals & Ceram. Div., PO Box 2008, Oak Ridge, TN 37831-6136 USA
Abnormal Phases in High W Content Nickel Base Superalloys and Phase Control: Yunrong Zheng1; S. Li1; L. Zheng2; Y. Han1; H. Harada3; 1Beijing University of Aeronautics and Astronautics, Beijing 100083 China; 2Beijing Institute of Aeronautics and Astronautics, Beijing 100095 China; 3National Institute for Materials Science, 1-2-1 Sengen, Tsukuba, Ibaraki 305-0047 Japan
Elastic Properties of Multi-Component Nickel Solid Solutions: Kuiying Chen1; Linruo Zhao1; Prakash C. Patnaik1; John S. Tse2; 1National Research Council Canada, Struct., Matls. & Propulsion Lab., Inst. for Aeros. Rsch., M-13 Bldg., Montreal Rd., Ottawa, Ontario K1A 0R6 Canada; 2Steacie Institute for Molecular Sciences, Natl. Rsch. Council Canada, Ottawa, Ontario K1A 0R6 Canada
A New Method of Metal Temperature Estimation for Service-Run Blades and Vanes: Keith A. Ellison1; Joseph A. Daleo1; Khalid Hussain1; 1BWD Turbines Ltd., 1-601 Tradewind Dr., Ancaster, Ontario L9G 4V5 Canada
New Phases in Ruthenium-Containing Single-Crystal Superalloys: Q. Feng1; T. K. Nandy2; L. J. Rowland1; B. Tryon1; D. Banerjee2; T. M. Pollock1; 1University of Michigan, Matls. Sci. & Engrg., 2300 Hayward St., 3062 H. H. Dow, Ann Arbor, MI 48109 USA; 2Defense Metallurgical Research Laboratory, Hyderabad 500 258 India
An Influence of Microstructure on the Mechanical Properties of the Corrosion Resistant Superalloy ChS88U: Elena V. Monastyrskaia1; Evgenii V. Petrov1; Vjacheslav E. Belyaev1; Alexander M. Dushkin1; 1FSUE MMPP “Salut”, OGK-5, 16, Budionny Ave., Moscow 105118 Russia
A TEM Study of the Effect of Platinum Group Metals in Advanced Single Crystal Nickel-Base Superalloys: Anthony Paul Ofori1; Colin J. Humphreys1; Sammy Tin1; C. Neil Jones2; 1University of Cambridge, Matls. Sci. & Metall., New Museums Site, Pembroke St., Cambridge, Cambridgeshire CB2 3QZ UK; 2Rolls-Royce plc, Technology - Metallurgy, PO Box 31, Derby DE24 8BJ UK
Some Effects of Carbon in the Production of Single Crystal Superalloy Castings: John R. Mihalisin2; John Corrigan1; Michael G. Launsbach1; Eric Leonard1; Robert Baker3; Brian Griffin4; 1Howmet Castings, Corporate Engrg., 111 Rsch. Dr., Hampton, VA 23666 USA; 2Howmet Dover Alloy, Dover, NJ USA; 3Howmet Hampton Casting, Hampton, VA USA; 4Howmet Research Corporation, Whitehall, MI USA
The Effects of Re, W and Ru on Microsegregation Behaviour in Single Crystal Superalloy Systems: Rick M. Kearsey1; J. C. Beddoes2; K. M. Jaansalu3; W. T. Thompson3; P. Au1; 1Carleton University, Dept. of Mechl. & Aeros. Engrg., 1125 Colonel By Dr., Ottawa, Ontario K1S 5B6 Canada; 2Carleton University, Dept. of Mechl. & Aeros. Engrg., Ottawa, ON Canada; 3Royal Military College of Canada, Dept. of Chmst.& Chem. Engrg., Kingston, ON Canada
Partitioning of Elements in High Refractory Content Single Crystals Nickel Based Superalloys: Eric C. Caldwell1; Fermin J. Fela1; Gerhard E. Fuchs1; 1University of Florida, MSE Dept., PO Box 116400, 116 Rhines Hall, Gainesville, FL 32611-6400 USA
The Kinetics of the ’ Phase and its Strain in the Nickel Base Superalloy SC16 Studied by In-Situ Neutron and Synchrotron Radiation Diffraction: Giovanni Bruno1; Haroldo Cavalcanti Pinto2; 1Institute Laue Langevin, Diffraction Grp., 6, rue Horowitz, BP 156, Grenoble F- 38042 France; 2Technical University Berlin, Sekretariat BH 18, Ernst-Reuter-Platz 1, Berlin D-10578 Germany
Soldification Characteristics of Advanced Nickel-Base Single Crystal Superalloys: Robbie Anthony Hobbs1; S. Tin1; C. M.F. Rae1; R. W. Broomfield2; C. J. Humphreys1; 1University of Cambridge, Matls. Sci. & Metall., Pembroke St., Cambridge, Cambridgeshire CB2 3QZ UK; 2Rolls-Royce plc, PO Box 31, Derby DB24 8BJ UK
Effect of Boron Concentration on Fatigue Crack Propagation Resistance and Low Cycle Fatigue Properties of Inconel 718: L. Xiao1; D. L. Chen2; M. C. Chaturvedi1; 1University of Manitoba, Dept. of Mech. & Industrial Engrg., Winnipeg, Manitoba R3T 5V6 Canada; 2Ryerson University, Dept. of Mech. & Industrial Engrg., 350 Victoria St., Toronto, Ontario M5B 2K3 Canada

BLADE ALLOYS II
Location: Seven Springs Mountain Resort, Exhibit Hall
Session Chairs: Pierre Caron–ONERA, France; Scott Walston–GE Aircraft Engines, USA

8:45 PM
Femtosecond Laser Micromachining of Single-Crystal Superalloys: Q. Feng1; Y. N. Picard1; H. Liu2; S. M. Yalisove1; G. Mourou2; T. M. Pollock1; 1University of Michigan, Matls. Sci. & Engrg., 2300 Hayward St., 3062 H. H. Dow, Ann Arbor, MI 48109 USA; 2University of Michigan, Ctr. for Ultrafast Optical Sci., Ann Arbor 48109 USA

9:10 PM
Microstructural Stability and Creep of Ru-Containing Nickel-Base Superalloy: Laura Jill Rowland1; Qiang Feng1; Tresa M. Pollock1; 1University of Michigan, Dept. of Matls. Sci. & Engrg., 3062 H.H. Dow Bldg., 2300 Hayward, Ann Arbor, MI 48109 USA

9:35 PM
Development of Ni Base Superalloy for Industrial Gas Turbine: Ikuo Okada1; Taiji Torigoe1; K. Takahashi2; D. Izutsu2; 1Mitsubishi Heavy Industries, Ltd., Takasago R&D Ctr. Matls. & Strength Lab., 2-1-1 , Shinhama, Takasago, Hyogo 676-8686 Japan; 2Mitsubishi Heavy Industries, Ltd., Takasago Machinery Works, 2-1-1 Shinhama Arai-cho, Takasago, Hyogo 676-8686 Japan

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Thursday, September 23, 2004

MODELING AND SIMULATION I
Location: Seven Springs Mountain Resort, Exhibit Hall
Session Chairs: Jack Schirra–Pratt & Whitney; Dietmar Helm–MTU

8:30 AM
Modelling the Material Properties and Behaviour of Ni-Based Superalloys: Nigel Saunders1; Zhanli Guo2; Xiuqing Li2; Alfred Peter Miodownik1; Jean-Philippe Schille2; 1Thermotech Ltd., Surrey Tech. Ctr., Surrey Rsch. Park, Guildford, Surrey GU2 7YG UK; 2Sente Software Ltd., Surrey Tech. Ctr., Surrey Rsch. Park, Guildford, GU2 7YG UK

8:55 AM
Virtual Gas Turbine System for a New Alloy Design: Tadaharu Yokokawa1; Hiroshi Saeki2; Yoshitaka Fukuyama3; Toyoaki Yoshida3; Hiroshi Harada1; 1National Institute for Materials Science, High Temp. Matls. Grp., 1-2-1 Sengen, Tsukuba Science City, Ibaraki 305-0047 Japan; 2Toshiba Corporation, Advd. Thermal Power System Tech. Grp., 2-4 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045 Japan; 3National Aerospace Laboratory, High-Temp. Turbine Grp., 7-44-1 Jindaiji-higashi, Chofu, Tokyo 182-8522 Japan

9:20 AM
On the Diffusion of Alloying Elements in the Nickel-Base Superalloys: Chong Long Fu2; Roger C. Reed1; Anderson Janotti2; Maja Krcmar2; 1University of British Columbia, Dept. of Metals & Matls. Engrg., 309-6350 Stores Rd., Vancouver, BC V6T 1Z4 Canada; 2Oak Ridge National Laboratory, Metals & Ceram. Div., PO Box 2008, Oak Ridge, TN 37830 USA

9:45 AM
PrecipiCalc™ Simulations for the Prediction of Microstructure/Property Variations in Aeroturbine Disks: Herng-Jeng Jou1; Peter Voorhees2; Gregory Olson1; 1QuesTek Innovations LLC, 1820 Ridge Ave., Evanston, IL 60201 USA; 2Northwestern University, Matls. Sci.& Engrg., Evanston, IL 60208 USA

10:10 AM Break

MODELING AND SIMULATION II
Location: Seven Springs Mountain Resort, Exhibit Hall
Session Chairs: Dietmar Helm–MTU; Jack Schirra–Pratt & Whitney

10:30 AM
A Fast Spreadsheet Model for the Yield Strength of Superalloys: Triplicane A. Parthasarathy1; Satish I. Rao1; Dennis M. Dimiduk2; 1UES, Inc., 4401 Dayton Xenia Rd., Dayton, OH 45432 USA; 2Air Force Research Laboratory, AFRL/MLLN, Matls. & Mfg. Direct., 2230 Tenth St., Rm. 058, Wright-Patterson AFB, OH 45433-7817 USA

10:55 AM
A Generic Microstructure-Explicit Model of Creep in Nickel-Base Superalloys: Hector C. Basoalto1; Sanjay Sondhi1; Brian F. Dyson1; Malcolm McLean1; 1Imperial College London, Dept. of Matls., Exhibition Rd., London SW7 2AZ UK

11:20 AM
Numerical Simulation of Ring Rolling Process for Ni-Base Articles: Takanori Matsui1; Hideo Takizawa2; Hiroaki Kikuchi3; 1Mitsubishi Materials Co., Ltd, Non-Ferrous Alloys Rsch. & Tech. Labs., 476 Shimoishido-Shimo, Kitamoto, Saitama 364-0023 Japan; 2Mitsubishi Materials Co. Ltd, Central Rsch. Inst., 1-297 Kitabukuro-cho Omiya-ku, Saitama 330-8508 Japan; 3Mitsubishi Materials Co. Ltd, Okegawa Plant, 1230 Kamihideya, Okegawa, Saitama 363-8510 Japan

11:45 AM
Modeling of Vacuum Arc Remelting of Alloy 718 Ingots: Ashish D. Patel1; Ramesh S. Minisandram2; David G. Evans3; 1Carpenter Technology Corporation, 101 W. Bern St, Reading, PA 19601 USA; 2Allvac, An Allegheny Technologies Company, 2020 Ashcraft Ave., Monroe, NC 28111 USA; 3Special Metals Corporation, 4317 Middle Settlement Rd., New Hartford, NY 13413 USA

12:10 PM
Adjourn Symposium

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