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The theory of transformations in metals and alloys

J.W. Christian, +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.

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Journal ArticleDOI

In situ tem study of the h.c.p. to f.c.c. martensitic phase transformation in CoNi single crystals

TL;DR: In this article, a single crystal of Co + 32% Ni was grown and transformed by deformation from the f.c.p. to the h.cp.c at room temperature, and the experimental observations can be compared with the various models of the phase transformation found in the literature.
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Measurement and numerical analysis of freezing in solutions enclosed in a small container

TL;DR: In this article, the authors used a differential scanning calorimeter (DSC-Pyris 1) to determine the magnitude and dynamics of latent heat during freezing of 14 different pre-nucleated solute laden aqueous systems.
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The peritectoid formation of ordered Zr3Al

TL;DR: In this article, the peritectoid transformation Zr + Zr2Al → Zr3Al has been examined in Zr 7.6 to 9.0 wt.% Al ingots using isothermal annealing and optical microscopy.
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The development of long-range order and the resulting strengthening effects IN Ni4Mo

TL;DR: In this paper, a single crystal of Ni 4 Mo was studied by X-ray line broadening techniques using Warren's Fourier analysis employing computer methods, and the long-range-order parameter, domain size and microstrains were measured after isothermal ageing at 700°C for various times.
Journal ArticleDOI

Mechanisms of martensitic transformations in boron nitride and conditions of their development

TL;DR: In this paper, the dependence of the pressure threshold of martensitic transformations on the disordering degree of starting structures is considered for graphite-like BN into diamond-like modifications transitions.