thermodynamics and kinetics of metallurgical processes

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V. METALLURGICAL THERMODYNAMICS. Thermodynamic studies of multiphase equilibria. TERKEL ROSENQVIST. 1. Thermodynamics of metallic solutions.
THERMODYNAMICS AND KINETICS OF METALLURGICAL PROCESSES

Edited by M. Mohan Rao, K. P. Abraham G. N. K. Iyengar and R. M. Mallya

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Proceedings of an International Conference Bangalore, India, July 15-18, 1981

Contents Preface C. V. SUNDARAM

iii

Inaugural address BRAHM PRAKASH

V METALLURGICAL THERMODYNAMICS

Thermodynamic studies of multiphase equilibria TERKEL ROSENQVIST

1

Thermodynamics of metallic solutions M. L. KAPOOR

19

Thermodynamics of binary metal oxide solid solutions of AO—BO type G. N. K. IYENGAR

35

Thermodynamic measurements by equilibration with gas phase K. P. ABRAHAM

47

Measurements of thermodynamic properties above 1500° C M. S. CHANDRASEKHARAIAH

71

Enthalpy measurements on solid and liquid molybdenum and niobium by levitation calorimetry MARTIN G. FROHBERG AND GERHARD BETZ

81

Application of solid state cells to alloy thermodynamics—critical factors and emerging frontiers K. T. JACOB

91 PROCESS KINETICS AND METAL EXTRACTION

Energetics of adsorption at interfaces P. SOMASUNDARAN

115

Extractive metallurgy of refractory metals—A thermodynamic analysis of oxide reduction processes C. V. SUNDARAM, C K. GUPTA AND S. P. GARG

129

x

Contents

The role of sulfur and alkali in the blast furnace process L. I. STAFFANSSON

145

Kinetic studies in process metallurgy A. GHOSH

161

Nonisothermal kinetics—A generalised approach and simulation of some industrial reactors H. S. RAY

185

Cementation kinetics F. LAWSON

207

PHASE TRANSFORMATIONS AND PHASE STABILITIES

Metallurgical phase transformations through

fluctuations

S. BANERJEE, R. KRISHNAN AND M. K. ASUNDI

227

Irradiation induced precipitation in binary Ni and Pd base alloys A. J. ARDELL AND K. JANGHORBAN

259

The reversion of martensite to austenite in stainless steels D. R. F. WEST

287

ENERGETICS OF DEFORMATION PROCESSES

On the kinetics of dynamic strain ageing in a bcc metal R. E. REED-MLL

313

On the mechanism of plastic flow in metals at high temperatures D. H. SASTRY

333

Temperature and strain rate dependence of tensile flow stress in h.c.p. metals : Single crystals versus polycrystals Y. V. R. K. PRASAD

345

A theory for hot isostatic pressing T. BALAKRISHNA BHAT AND V. S. ARUNACHALAM

355

Thermally activated rate controlling mechanisms during the plastic flow of titanium from 0° K to Tm HANS CONRAD

371

On some aspects of diflusional creep G. MALAKONDAIAH, R. K- SINHA AND P. RAMA RAO

401