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The theory of transformations in metals and alloys
J.W. Christian,H. M. Otte +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.read more
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Crystal morphology and nucleation in thin films of amorphous Te alloys used for phase change recording
TL;DR: Kalb, F. Spaepen, and M. Wuttig as mentioned in this paper used TEM to study the crystal morphology in sputtered amorphous Ge4Sb1Te5, Ge2Sb2Te5 and Ag0.59Te0.
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Time‐resolved reflection and transmission studies of amorphous Ge‐Te thin‐film crystallization
Matthew Libera,M. Chen +1 more
TL;DR: In this paper, temperature and time dependence of visible diode laser transmission and reflection are combined with transmission electron microscopy (TEM) to study the crystallization of two 75 nm Ge•Te thin films.
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Analysis of temperature and microstructure in the quenching of steel cylinders
TL;DR: In this article, a finite-element procedure has been developed for temperature and microstructural analyses of quenching problems involving nonisothermal phase transformations, which is applied to calculate temperature, microstructure, and hardness distributions in 1080 steel cylinders quenched in water and in two polymeric quenchants.
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Angular-dependent interatomic potential for tantalum
Yuri Mishin,A.Y. Lozovoi +1 more
TL;DR: In this paper, an angular-dependent semi-empirical interatomic potential suitable for atomistic simulations of plastic deformation, fracture and related processes in body-centered cubic Ta has been constructed by fitting to experimental properties and a first-principles database generated in this work.
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Intrinsic Data Retention in Nanoscaled Phase-Change Memories—Part II: Statistical Analysis and Prediction of Failure Time
TL;DR: In this article, the statistical spread of intrinsic data retention times in phase-change memory (PCM) cells is studied based on the crystallization and percolation model described in part 1, the crystalline grain size in the amorphous volume after data loss is extracted.