Alloy Phases Committee

Technical Programming

2019 TMS Annual Meeting & Exhibition: Advanced Real Time Imaging : Organized by Jinichiro Nakano; P.Chris Pistorius; Candan Tamerler; Hideyuki Yasuda; Zuotai Zhang; Neslihan Dogan; Wanlin Wang; Noritaka Saito; Yongsug Chung; Bryan Webler

Real time observations can provide important information needed to understand materials behavior, as these techniques can provide temporal and spatial insights on mechanisms free from artifacts induced from conventional experimental techniques. Traditional and emerging imaging techniques, which may be optical or non-optical, would allow such observations. Methods may be enhanced with capabilities that enable heating and cooling, controlled atmospheres, and application of stresses; and can be used to generate real time thermodynamic and kinetic data needed to study a variety of materials and processes, such as phase transformation, oxidation, corrosion, etc. This symposium intends to encompass a broad range of materials science topics to enable and promote cross-cutting opportunities for multiple disciplines (biomaterials, energy materials, functional materials, structural materials, etc.). Presentations are solicited on the application of these methods to materials science and engineering, as well as on technique development. Topics include, but not limited to: - Studies using real time optical (e.g., visible light, laser, IR, and UV) and non-optical (e.g., atomic force, electron, and ultrasound) imaging techniques - Researches using in-situ, in-operando, in-vitro, and in-vivo observation imaging techniques, such as thermal imaging furnace and other real time imaging methods. - Confocal techniques, including fluorescence and reflection types, which may be equipped with capabilities such as heating/cooling chambers, gas chambers, mechanical testing, Raman spectroscope, and FTIR. - Microscopic or telescopic imaging methods include hot thermocouple, resistance heating, and sessile drop techniques used for high temperature phenomena. - Thermodynamic and kinetic data from these techniques, useful for phase diagram constructions, oxidation/corrosion modeling, phase formation kinetics studies, etc. - Work using high speed cameras - Materials used in imaging devices - Novel technologies and methodologies for emerging imaging devices

2019 TMS Annual Meeting & Exhibition: Alloys and Compounds for Thermoelectric and Solar Cell Applications VII: Organized by Sinn-wen Chen; Franck Gascoin; Soon-Jik Hong; Philippe Jund; Lan Li; Takao Mori; Hsin-Jay Wu; Tiejun Zhu

This symposium addresses synthesis, property measurements, phase stability, phase transformation of the alloys and compounds used in the thermoelectric and solar cell devices. Materials of interests include, but not limited to, skutterudites, superlattice, half-heusler alloys, CdTe, CIS, CIGS, CZTS and new materials for thermoelectric and solar cell applications.

2019 TMS Annual Meeting & Exhibition: High Entropy Alloys VII: Organized by Xie Xie; Peter Liaw; Michael Gao; E-Wen Huang; Gongyao Wang; Srivatsan Tirumalai

This symposium will provide a new venue for presentation of research on the fundamental understanding and theoretical modeling of high-entropy alloy (HEA) processing, microstructures, and mechanical behavior. In contrast to conventional alloys, which are based upon one principal element, HEAs have multiple principal elements, often five or more. The significantly high entropy of the solid solution stabilizes the solid-solution phases in face-centered-cubic (FCC), body-centered-cubic (BCC), and hexagonal close-packed (HCP) structures against intermetallic compounds. Moreover, carefully-designed HEAs possess tailorable properties that far-surpass their conventional alloys. Such properties in HEAs include high strength, ductility, corrosion resistance, oxidation resistance, fatigue and wear resistance. These properties will undoubtedly make HEAs of interest for use in biomedical, structural, mechanical, and energy applications. Given the novel and exciting nature of HEAs, they are poised for significant growth, not unlike the bulk metallic glass or nanostructured alloy scientific communities, and present a perfect opportunity for a new symposium. Topics of interest include but not limited to: (1) Material fabrication and processing, such as homogenization, nanomaterials, and grain-boundary engineering (2) Advanced characterization, such as neutron scattering and three-dimensional (3D) atom probe (3) Thermodynamics and diffusivity: measurements and modeling (4) Mechanical behavior, such as fatigue, creep, and fracture (5) Corrosion, physical, magnetic, electric, thermal, coating, and biomedical behavior (6) Theoretical modeling and simulation using density functional theory, molecular dynamics, Monte Carlo simulations, phase-field and finite-elements method, and CALPHAD modeling (7) Industrial applications

2019 TMS Annual Meeting & Exhibition: Hume-Rothery Symposium – Bulk and Interfacial Thermodynamics of Complex Materials: Insights Derived from Integrating Modeling and Experiment: Organized by Raymundo Arroyave; Michael Gao; Jeffrey Hoyt; Saryu Fensin

This symposium will survey recent progress in the predictive modeling and measurement of bulk and interfacial thermodynamic and kinetic properties of materials. Progress in this area has been critical over the past decade in enabling strategies for accelerated materials design, and is increasingly being leveraged in the area of advanced manufacturing. The focus of the symposium will be to bring together experts in first-principles thermodynamic calculations, advanced experimental characterization and thermochemistry methods, and CALPHAD modeling to assess the current state of the art as it relates to complex materials. Of special interest will be strategies for making links across these areas, to enable advanced fundamental understanding and accurate modeling of materials with multicomponent chemistries and disordered structures. Six sessions are planned, covering topics of bulk and interfacial thermodynamic and chemical properties, in alloys, complex oxides and related structural and functional materials. The session is by invitation only.

2019 TMS Annual Meeting & Exhibition: ICME Education in Materials Science and Mechanical Engineering: Organized by Wei Xiong; Michele Manuel; Danielle Cote; Mohsen Asle Zaeem; Krista Limmer

ICME has been marked as the essential method for materials discovery and design, which promotes the materials innovations in engineering applications. After ten years of ICME concept published by National Research Council, it is worth reviewing the ICME education efforts that have been made at universities, national labs and industry. The symposium provides a platform to share experience of different universities and companies, who have put a considerable amount of efforts in the past on ICME education. This mini-symposium will be invited talks only. The invited talks will be presented by the experienced educators in the field of ICME research. It is expected that such a mini-symposium will stimulate more ideas for the ICME education at different educational levels. The topics cover but not limited to: (1) undergraduate education program; (2) graduate research related to ICME; (3) outreach of ICME, including industrial education; (4) Software development for the ICME educational purposes. A panel discussion session will be arranged to encourage more interactions between speakers and audiences with stimulated thoughts/ideas.

2019 TMS Annual Meeting & Exhibition: Phase Stability, Phase Transformations, and Reactive Phase Formation in Electronic Materials XVIII: Organized by Hiroshi Nishikawa; Shih-Kang Lin; Chaohong Wang; Chih-Ming Chen; Dajian Li; Song-Mao Liang; Ming-Tzer Lin; Zhi-Quan Liu; Jaeho Lee; Yee-Wen Yen; Yuan Yuan; Yu Zhong

This is the 18th in a series of TMS symposia addressing the stability, transformation, and formation of phases during the fabrication, processing, and utilization of electronic materials and devices. Topics of interests range from microelectronic technologies to advanced energy technologies, including phase stability, transformation, formation, and morphological evolution of electronic packaging materials, interconnection materials, integrated circuit materials, optoelectronic materials as well as energy storage and generating materials.

2018 TMS Annual Meeting & Exhibition: Advanced Real Time Optical Imaging: Organized by Jinichiro Nakano; David Alman; Il Sohn; Hiroyuki Shibata; Antoine Allanore

Real time observations can provide important information needed to understand materials behavior, as these techniques can provide valuable insights on mechanisms free from artifacts induced from conventional experimental techniques. Emerging optical imaging techniques are comparatively inexpensive methods that allow such observations. Methods, such as confocal laser microscopy, can be enhanced with capabilities that enable heating and cooling, controlled atmospheres, and application of stresses; and can be used to generate real time thermodynamic and kinetic data needed to study a variety of materials and processes, such as phase transformation, oxidation, corrosion, etc. In-vivo fluorescence methods can be used to provide essential information on the behavior of biomaterials. This symposium intends to encompass a broad range of materials science topics to enable and promote cross-cutting opportunities for multiple disciplines (biomaterials, energy materials, functional materials, structural materials, etc.). Papers are solicited on technique development, as well as, on the application of these methods to materials science and engineering. Topics include, but not limited to: - In-situ, in-operando, in-vitro, and in-vivo observation techniques, such as confocal laser microscopes, thermal imaging furnace, and other optical techniques. - Confocal techniques, including fluorescence and reflection types, which may be equipped with capabilities such as heating/cooling chambers, gas chambers, mechanical testing, Raman spectroscope, and FTIR. - Other optical microscopic or telescopic methods include hot thermocouple, resistance heating, and sessile drop techniques used for high temperature phenomena. - Thermodynamic and kinetic data from these techniques, useful for phase diagram constructions, oxidation/corrosion modeling, phase formation kinetics studies, etc. - Findings of studies on interrogation of materials by these techniques.

2018 TMS Annual Meeting & Exhibition: Alloys and Compounds for Thermoelectric and Solar Cell Applications VI: Organized by Sinn-wen Chen; Franck Gascoin; Soon-Jik Hong; Philippe Jund; Lan Li; Takao Mori; Hsin-Jay Wu; Tiejun Zhu

This symposium addresses synthesis, property measurements, phase stability, phase transformation of the alloys and compounds used in the thermoelectric and solar cell devices. Materials of interests include, but not limited to, skutterudites, superlattice, half-heusler alloys, CdTe, CIS, CIGS, CZTS and new materials for thermoelectric and solar cell applications.

2018 TMS Annual Meeting & Exhibition: High Entropy Alloys VI: Organized by Peter Liaw; Michael Gao; Xie Xie; Gongyao Wang; E-Wen Huang; Tirumalai Srivatsan

This symposium will provide a new venue for presentation of research on the fundamental understanding and theoretical modeling of high-entropy alloy (HEA) processing, microstructures, and mechanical behavior. In contrast to conventional alloys, which are based upon one principal element, HEAs have multiple principal elements, often five or more. The significantly high entropy of the solid solution stabilizes the solid-solution phases in face-centered-cubic (FCC), body-centered-cubic (BCC), and hexagonal close-packed (HCP) structures against intermetallic compounds. Moreover, carefully-designed HEAs possess tailorable properties that far-surpass their conventional alloys. Such properties in HEAs include high strength, ductility, corrosion resistance, oxidation resistance, fatigue and wear resistance. These properties will undoubtedly make HEAs of interest for use in biomedical, structural, mechanical, and energy applications. Given the novel and exciting nature of HEAs, they are poised for significant growth, not unlike the bulk metallic glass or nanostructured alloy scientific communities, and present a perfect opportunity for a new symposium. Topics of interest include but not limited to: (1) Material fabrication and processing, such as homogenization, nanomaterials, and grain-boundary engineering (2) Advanced characterization, such as neutron scattering and three-dimensional (3D) atom probe (3) Thermodynamics and diffusivity: measurements and modeling (4) Mechanical behavior, such as fatigue, creep, and fracture (5) Corrosion, physical, magnetic, electric, thermal, coating, and biomedical behavior (6) Theoretical modeling and simulation using density functional theory, molecular dynamics, Monte Carlo simulations, phase-field and finite-elements method, and CALPHAD modeling (7) Industrial applications

2018 TMS Annual Meeting & Exhibition: Hume-Rothery Award Symposium: Computational Thermodynamics and Its Implications to Kinetics, Properties, and Materials Design: Organized by Suveen Mathaudhu; Michael Gao; Chelsey Hargather; Richard Hennig; James Saal; Dongwon Shin

Thermodynamics is a science concerning the state of a system when interacting with the surroundings. Computational thermodynamics enables quantitative calculations of thermodynamic properties as a function of both external conditions and internal configurations and empowers the new materials research paradigm of integrated computational prediction and experimental validation approaches. The central constituent of computational thermodynamics is the modeling of the thermodynamic description of individual phases in the complete space of external and internal degrees of freedom. Over the past 40 years, the CALPHAD modeling of thermodynamics has proven to be a successful approach applicable to complex multicomponent materials. Integration with first-principles calculations based on density functional theory, which is capable of predicting electronic structures of atomic interactions, have further significantly enhanced the efficiency and robustness of thermodynamic modeling. Computational thermodynamics plays a central role in materials design, integrated computational materials engineering (ICME), and the Materials Genome Initiative (MGI). Two important contributions of computational thermodynamics are to predict the phase stability of a system under given conditions and provide driving forces for internal processes in a system so the evolution of such internal processes can be quantitatively simulated. Furthermore, as first and second derivatives of the free energy with respect to system variables, many physical properties can be calculated such as thermal expansion and elastic properties. Additionally, through the mapping of the energy landscape in the framework of computational thermodynamics, a broad range of properties can be predicted and modeled such as diffusion coefficients, interfacial energy, and dislocation mobility. Applications of these new capabilities include improvements in the understanding of atomic interactions and the role of alloy elements and trace additions on phase stability and phase transformation behavior; improvement of existing materials for enhanced performance; and the design and development of new materials for an optimal combination of properties. The focus of this symposium is to assess the state of the art in computational thermodynamics for predictions and modeling capabilities and to identify the key steps needed to make further progress. Abstracts are invited which contribute to the above themes with critical appraisals of the strengths and weaknesses of various approaches for specific properties and applications. Case studies involving the use of computational thermodynamics to study practical problems are welcomed along with studies involving both advanced experimental work and state-of-the-art modeling approaches. Submission of abstracts to the Hume-Rothery Symposium is by invitation only.

2018 TMS Annual Meeting & Exhibition: Phase Stability, Phase Transformations, and Reactive Phase Formation in Electronic Materials XVII: Organized by Shih-Kang Lin; Chaohong Wang; Jaeho Lee; Chih-Ming Chen; Thomas Reichmann; Yu Zhong; Hiroshi Nishikawa; Shien Ping Feng; Yee-Wen Yen; Song-Mao Liang

This is the 17th in a series of TMS symposia addressing the stability, transformation, and formation of phases during the fabrication, processing, and utilization of electronic materials and devices. Topics of interests range from microelectronic technologies to advanced energy technologies, including phase stability, transformation, formation, and morphological evolution of electronic packaging materials, interconnection materials, integrated circuit materials, optoelectronic materials as well as energy storage and generating materials.