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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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Plagioclase nucleation and growth kinetics in a hydrous basaltic melt by decompression experiments
Fabio Arzilli,Fabio Arzilli,Fabio Arzilli,C. Agostini,Patrizia Landi,A. Fortunati,Lucia Mancini,Michael R. Carroll +7 more
TL;DR: In this article, single-step decompression is used to study the crystallization kinetics of plagioclase in hydrous high-K basaltic melts as a function of pressure, effective undercooling, and time.
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Continuous cooling (CT) diagrams and critical cooling rates: A direct method of calculation using the concept of additivity
TL;DR: In this paper, a new method for the calculation of continuous cooling curves and their associated critical cooling rates for glass formation is described, based directly on the theories of nucleation and growth using the concept of additivity.
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Localized Bifurcations and Defect Instabilities in the Convection of a Nematic Liquid Crystal
A. Joets,R. Ribotta +1 more
TL;DR: In this paper, the authors present an experimental study of defects in some homogeneous stationary structures as well as in the traveling-wave states of convection of a nematic liquid crystal and show that the core of the defects is a germ of the unstable state and it can become unstable under the external stress.
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Sigma Phase in Superduplex Stainless Steel: Formation, Kinetics and Microstructural Path
Gláucio Soares da Fonseca,Phelipe Matias de Oliveira,Marilia Garcia Diniz,Dimitry V. Bubnoff,José Adilson de Castro +4 more
TL;DR: In this paper, the formation, kinetics and microstructural evolution of sigma phase in SDSS UNS S32750 after isothermal aging at 700oC, 750oC and 800oC.
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The effect of austenite ordering on the transformation temperature, transformation hysteresis, and thermoelastic behavior in Fe- Pt alloys
M. Umemoto,C.M. Wayman +1 more
TL;DR: In this article, the change and transition process in transformation kinetics from a nonthermoelastic to a thermo-elastic type accompanying an increase in parent phase order in Fe-Pt alloys near the stoichiometric composition Fe3Pt has been investigated, using Fe-23, 24 and 25 at pct Pt alloys.