Met and Mat Trans Contents B: October 1998

METALLURGICAL AND MATERIALS TRANSACTIONS B

CONTENTS Volume 29B, No. 5, October 1998 This Month Featuring: Hydrometallurgy; Pyrometallurgy; Transport Phenomena; Process Control; Physical Chemistry; Solidification; Materials Processing; Mathematical Modeling. View October 1998 Abstracts.

METALLURGICAL AND MATERIALS TRANSACTIONS B

CONTENTS
Volume 29B, No. 5, October 1998

This Month Featuring: Hydrometallurgy; Pyrometallurgy; Transport Phenomena; Process Control; Physical Chemistry; Solidification; Materials Processing; Mathematical Modeling. View October 1998 Abstracts.

Hydrometallurgy

Pressure Acid Leaching of Laterites at 250 °C: A Solution Chemical Model and Its Applications [pp. 945-952]
Morteza Baghalha and Vladimiros G. Papangelakis

Model for the Ferric Chloride Leaching of Galena [pp. 953-960]
Mark Pritzker

Leaching Kinetics of Digenite Concentrate in Oxygenated Chloride Media at Ambient Pressure [pp. 961-969]
M.C. Ruiz, S. Honores, and R. Padilla

Pyrometallurgy

Chlorine Fluxing for Removal of Magnesium from Molten Aluminum: Part I. Laboratory-Scale Measurements of Reaction Rates and Bubble Behavior [pp. 971-978]
Qian Fu, Dong Xu, and James W. Evans

Chlorine Fluxing for Removal of Magnesium from Molten Aluminum: Part II. Mathematical Model [pp. 979-986]
Qian Fu and James W. Evans

Communication: Estimation of Isothermal Values of Activation Energy for Aluminothermic Reduction [pp. 1135-1136]
B. Sarangi, H.S. Ray, and R.R. Dash

Transport Phenomena

Marangoni Convection Flow in NaNO₃-KNO₃ Mixture under Microgravity [pp. 987-991]
Y. Murayama, Y. Sasaki, Y. Kaneki, K. Kashiwaya and K. Ishii

Experimental and Mathematical Investigation of the Fluid Flow inside and below a 1/4 Scale Air Model of a Flash Smelting Burner [pp. 993-1006]
I.D. Sutalo, F.R.A. Jorgensen, and N.B. Gray

Process Control

Predictive Control of Aluminum Electrolytic Cells Using Neural Networks [pp. 1007-1019]
A. Meghlaoui, R.T. Bui, J. Thibault, L. Tikasz, and R. Santerre

Physical Chemistry

The Ion-Association-Interaction Approach as Applied to Aqueous H₂SO₄-Al₂(SO₄)₃-MgSO₄ Solutions at 250 °C [pp. 1021-1030]
Morteza Baghalha and Vladimiros G. Papangelakis

Surface Tension Measurements on Liquid Metals in Microgravity [pp. 1031-1035]
Ivan Egry, Elliot Schwartz, Julian Szekely, Gerd Jacobs, Georg Lohoefer, and Petra Neuhaus

Thermodynamics of Yttrium and Oxygen in Molten Ti, Ti₃Al, and TiAl [pp. 1037-1042]
Yoshinao Kobayashi and Fumitaka Tsukihashi

Thermodynamic Properties of Aluminum, Magnesium, and Calcium in Molten Silicon [pp. 1043-1049]
Takahiro Miki, Kazuki Morita, and Nobuo Sano

Communication: Reduction of FeWO₄-NiWO₄ Solid Solutions by Hydrogen Gas [pp. 1136-1139]
J.A. Bustnes, Du Sichen, and S. Seetharaman

Solidification

The Movement of the Concave Casting Surface during Mushy-Type Solidification and Its Effect on the Heat-Transfer Coefficient [pp. 1051-1056]
Zin-Hyoung Lee, Tae-Gyu Kim, and Yun-Suk Choi

Stress Formation in Solidifying Bodies. Solidification in a Round Continuous Casting Mold [pp. 1057-1068]
Klaus Schwerdtfeger, Mitsuru Sato, and Karl-Hermann Tacke

Materials Processing

Multistage Sintering Process for Ni₃Al Powder Metallurgical Products [pp. 1069-1076]
Chen-Ti Hu and Wen-Chih Chiou

Formation of TiN/TiC-Fe Composites from Ilmenite (FeTiO₃) Concentrate [pp. 1077-1083]
N.J. Welham and P.E. Willis

Mathematical Modeling

Modeling of Porosity during Spray Forming: Part I. Effects of Processing Parameters [pp. 1085-1096]
Weidong Cai and Enrique J. Lavernia

Modeling of Porosity during Spray Forming: Part II. Effects of Atomization Gas Chemistry and Alloy Compositions [pp. 1097-1106]
Weidong Cai and Enrique J. Lavernia

Mathematical Modeling of the Reduction Process of Iron Ore Particles in Two Stages of Twin-Fluidized Beds Connected in Series [pp. 1107-1115]
Y.B. Hahn and K.S. Chang

Numerical Investigation of the Free Surface in a Continuous Steel Casting Mold Model [pp. 1117-1126]
G.A. Panaras, A. Theodorakakos, and G. Bergeles

The Free-Surface Shape and Temperature Distribution Produced in Liquid Metal Droplets by Heating Coil Pulses in the TEMPUS Electromagnetic Levitation Facility [pp. 1127-1134]
Elliot Schwartz and Julian Szekely

Table of Contents, Metallurgical and Materials Transactions A, October 1998.

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