Phase Transformations in MaterialsG. Kostorz For all kinds of materials, phase transformations show common phenomena and mechanisms, and often turn a material, for example metals, multiphase alloys, ceramics or composites, into its technological useful form. The physics and thermodynamics of a transformation from the solid to liquid state or from one crystal form to another are therefore essential for creating high-performance materials. This handbook covers phase transformations, a general phenomenon central to understanding the behavior of materials and for creating high-performance materials. It will be an essential reference for all materials scientists, physicists and engineers involved in the research and development of new high performance materials. It is the revised and enhanced edition of the renowned book edited by the late P. Haasen in 1990 (Vol. 5, Materials Science and Technology). |
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Page 189
... atoms in solids . By its very na- ture , this macroscopic theory makes no ref- erence to the discrete atomic events which give rise to macroscopically observable diffusion . To describe the atomic events , a wholly separate theory ...
... atoms in solids . By its very na- ture , this macroscopic theory makes no ref- erence to the discrete atomic events which give rise to macroscopically observable diffusion . To describe the atomic events , a wholly separate theory ...
Page 192
... atoms , which seems unlikely . Surface Diffusion Mechanisms A number of mechanisms for surface diffusion on metals ( by far the most studied class of material ) have been postulated . They include activated hopping of ad- sorbed atoms ...
... atoms , which seems unlikely . Surface Diffusion Mechanisms A number of mechanisms for surface diffusion on metals ( by far the most studied class of material ) have been postulated . They include activated hopping of ad- sorbed atoms ...
Page 206
... atoms of type A with the corresponding quantity for atoms of type B. An alternative way of looking at the f is in terms of the drifts in a driving force . Let us consider a " thought experiment " for a binary system AB where an external ...
... atoms of type A with the corresponding quantity for atoms of type B. An alternative way of looking at the f is in terms of the drifts in a driving force . Let us consider a " thought experiment " for a binary system AB where an external ...
Contents
List of Symbols and Abbreviations | 3 |
Contents | 4 |
France D21494 Geesthacht | 5 |
Copyright | |
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Common terms and phrases
Acta Metall alloys anisotropy atoms binary Binder Cahn calculated Chem chemical potential cluster coarsening components composition concentration constant correlation factor critical crystal defect dendritic dendritic growth diffusion coefficient directional solidification dynamics elastic enthalpy entropy equation equilibrium eutectic example experimental field Figure fluctuations fraction function Gibbs energy gradient grain boundary growth rate Helmholtz energy Hence impurity interaction interface interstitial ionic Ising model isothermal jump frequency kinetics Kurz Landau Langer lattice length Lett liquid magnetic materials mechanism metastable miscibility gap molar mole Murch nucleation occurs order parameter particles Pelton peritectic phase diagram phase transitions Phys precipitate predominance diagrams quenched radius random reaction scaling shown in Fig solid solution solidification spacing spinodal decomposition stability structure sublattice surface temperature ternary theory thermal thermodynamic tion tracer diffusion transformation ture undercooling vacancy variables velocity wavelength