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The theory of transformations in metals and alloys

J.W. Christian, +1 more
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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

Paramagnetic to antiferromagnetic phase transformation in sputter deposited Pt–Mn thin films

TL;DR: In this paper, spindle-deposited, equiatomic Ni-Mn thin films were observed to possess a metastable, nanocrystalline, chemically disordered, fcc (A1) structure.
Journal ArticleDOI

An investigation of the γ → α martensitic transformation in uranium alloys

TL;DR: In this paper, a detailed study of the γ → α martensitic transformation in uranium alloys is presented, where the invariant plane strain theory of martensite crystallography was applied to the twinned martensites, and a number of different parent/product lattice correspondences were considered for the δ → α transformations.
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Metallography of dilute Mg-Nd-Zn alloys

TL;DR: In this paper, the age-hardening properties of a magnesium alloy were examined using electron microscopy and electrical resistivity techniques, and it was shown that it is of the agehardening type with a precipitation sequence: Supersaturated solution-low-temperature reaction-γ′'-γ.
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Effects of Sb on phase transformations of amorphous TiSi2 thin films

TL;DR: In this paper, a co-deposited amorphous TiSi2 thin films with various Sb concentrations were prepared in order to study the effects of Sb on the phase transformation from C49 to C54.
Journal ArticleDOI

Phase Formation and Transformation in Alumina/YSZ Nanocomposite Coating Deposited by Suspension Plasma Spray Process

TL;DR: In this paper, the in-flight particle velocity was found to be the crucial parameter on phase formation in the resulting composite coatings and the effect of feed and plasma parameters on the formation of phases in composite coating was found.