Results 251 to 260 of about 2,413,906 (309)

The kinetics of lath martensitic transformation

Journal de Physique IV (Proceedings), 2003
The multicomponent solution thermodynamics, a model for barrierless heterogeneous martensitic nucleation, a model for the composition and temperature dependence of the shear modulus, and a set of unique interfacial kinetic parameters are integrated to model the kinetics of lath martensitic transformation.
G. Ghosh, G. B. Olson
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Kinetics of mechanochemical transformations

Physical Chemistry Chemical Physics, 2020
To help understanding the mechanisms underlying mechanochemical transformations, we propose a kinetic model that relates macroscopic and microscopic scales while accounting for the statistical nature of the mechanical processing of powder.
Maria Carta, Evelina Colacino, Francesco Delogu, Andrea Porcheddu   +3 more
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Phase Transformation Kinetics

2021
In the above, a phase transition was viewed as resulting from changing a control parameter, such as T or p, across a phase boundary, say a coexistence line, of the system’s phase diagram. In practice, such a transformation, of say a liquid phase into a crystal phase, will however require a considerable amount of molecular scale reorganization, and this
Marc Baus, Carlos F. Tejero
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Transformation kinetics for nucleus clusters

Acta Materialia, 2009
Abstract A rigorous mathematical approach based on stochastic geometry concepts is presented to extend previous Johnson–Mehl, Avrami, Kolmogorov treatment of transformation kinetics to situations in which nuclei are not homogeneously located in space but are located in clusters.
E. Villa, P. R. Rios
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Kinetics of chromium transformations in the environment

Science of The Total Environment, 1989
Kinetics of chromium transformations under typical environmental conditions were systematically investigated using batch, microcosm and column experiments. Oxidation and reduction rates were evaluated in single phase water systems and in two phase water-solid systems.
F Y, Saleh, T F, Parkerton, R V, Lewis, J H, Huang, K L, Dickson   +4 more
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Nucleation and growth transformation kinetics

Physical Review B, 1995
As a result of the reassessment of the Kolmogorov-Johnson-Mehl-Avrami (KJMA) theory for the kinetics of nucleation and growth transformations, an integral-equation formulation has been developed instead of the well-known and widely used Avrami equation.
, Erukhimovitch, , Baram
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Kinetics of the bainite transformation

Proceedings of the Royal Society of London. Series A: Mathematical, Physical and Engineering Sciences, 2004
Summary: A theory is developed for the evolution of bainite as a function of time, temperature, chemical composition and austenite grain size. The model takes into account the details of the mechanism of transformation, including the fact that nucleation begins at the austenite grain surfaces, and that the growth of a sheaf occurs by the repeated ...
Matsuda, Hiroshi, Bhadeshia, Harshad K. D. H.   +1 more
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On Solutions of the Kinetic Model by Sumudu Transform

2023
This paper investigates the kinetic model with four different fractional derivatives. We obtain the solutions of the models by Sumudu transform and demonstrate our results with some figures. We prove the accuracy of the Sumudu transform by some theoretical results and applications.
Akgül, Esra Karatas, Belgacem, Fethi Bin Muhammed, Akgül, Ali   +2 more
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The kinetics and energy balance of mechanochemical transformations

Physics of the Solid State, 2005
AbstractFor Abstract see ChemInform Abstract in Full Text.
P. Yu. Butyagin, A. N. Streletskii
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