Open AccessBook
The theory of transformations in metals and alloys
J.W. Christian,H. M. Otte +1 more
TLDR
In this paper, the authors present a general introduction to the theory of transformation kinetics of real metals, including the formation and evolution of martensitic transformations, as well as a theory of dislocations.Abstract:
Part I General introduction. Formal geometry of crystal lattices. The theory of reaction rates. The thermodynamics of irreversable processes. The structure of real metals. Solids solutions. The theory of dislocations. Polycrystalline aggregates. Diffusion in the solid state. The classical theory of nucleation. Theory of thermally activated growth. Formal theory of transformation kinetics. Part II Growth from the vapour phase. Solidification and melting. Polymorphic Changes. Precipitation from supersaturated solid solution. Eutectoidal transformations. Order-disorder transformations. Recovery recrystalisation and grain growth. Deformation twinning. Characteristics of martensic transformations. Crystallography of martensitic transformations. Kinetics of martensitic transformations. Rapid solidification. Bainite steels. Shape memory alloys.read more
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A reaction couple study of reactions amongst Bi2Sr2CaCu2Ox, Ca2PbO4, and CuO to form (Bi, Pb)2Sr2Ca2Cu3Ox
Y.S. Sung,Eric E. Hellstrom +1 more
TL;DR: In this paper, phase evolution during the formation of (Bi, Pb)2Sr2Ca2Cu3Ox was studied, and it was shown that the mixture of 2212, Ca2PbO4, and CuO is not well suited for forming (Bi and Pb)-2223.
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A quantitative model for describing crystal nucleation in pressurized solidification during squeeze casting
TL;DR: In this article, a model describing the thermal and mechanical effects on heterogeneous nucleation during squeeze casting of metal alloys has been developed based on classical nucleation theory, where the temperature change inside the casting during pressurized solidification was measured and the grain density at the locations of the temperature was determined.
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Phase transformation in the β phase of super α2 Ti3Al base alloys during static annealing and superplastic deformation at 700–1000 °C
K.L. Yang,J.C. Huang,Yinong Wang +2 more
TL;DR: In this article, the phase evolution and mechanical behavior of a super α2 alloy at lower temperatures of 700-900 °C are further examined, and the reasons for the reduced elongations are examined.
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Phase transition behaviors of Mo- and nitrogen-doped Ge2Sb2Te5 thin films investigated by in situ electrical measurements
TL;DR: In this article, the phase change behaviors of Ge2Sb2Te5 (GST) thin films doped with molybdenum (Mo) or nitrogen (N) were investigated by utilizing in situ electrical property measurement, x-ray diffraction (XRD), transmission electron microscopy (TEM), and xray photoelectron spectroscopy.
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The effect of applied stress on the f.c.c.-b.c.c. transformation in thin iron films
G.H Olsen,G.H Olsen,W.A Jesser +2 more
TL;DR: In this paper, an analysis of the energy of formation of the precipitate in terms of the elastic strain energy plus an effective interaction energy between the misfit strains and the applied stress induced in the iron film by its substrate has been presented.