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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Proposed experimental tests of a theory of fine microstructure and the two-well problem
John M. Ball,Richard D. James +1 more
TL;DR: In this paper, the authors make predictions based on an analysis of a new nonlinear theory of martensitic transformations introduced by the authors, where the crystal is modelled as a nonlinear elastic material, with a free-energy function that is invariant with respect to both rigid-body rotations and the appropriate crystallographic symmetries.
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Thermal analysis of non-isothermal crystallization kinetics in glass forming liquids
TL;DR: A review of previously suggested methods for analysis of experimental data of non-isothermal crystallization kinetics based on the Johnson-Mehl-Avrami transformation rate equation is given in this paper.
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Coupling grain boundary motion to shear deformation
TL;DR: In this paper, the coupling factor between the normal grain boundary (GB) motion and grain translations has been calculated by molecular dynamics simulations over the entire misorientation range and a wide range of temperatures, showing an abrupt switch from one branch to another at a tilt angle of about 35°.
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Thermodynamic and kinetic constraints on reaction rates among minerals and aqueous solutions. II. Rate constants, effective surface area, and the hydrolysis of feldspar
TL;DR: In this article, it was shown that the cross-sectional area of etch pits on hydrolyzed feldspar grains is of the order of 10−9 to 10−8 cm2 and that the ratio of the effective to total surface area (which may or may not change with reaction progress) ranges from <0.01 to 1, depending on the grain size, dislocation density, and the extent of comminution damage on the surfaces of the grains.
Journal ArticleDOI
Overview no. 48
TL;DR: In this article, a comprehensive review of toughness mechanisms in transformable brittle solids is presented, with primary emphasis on transformation toughening, although micro-cracks and deflection tougheng are also considered.