# Kinetics of formation of twinned structures under L1\_0 type orderings in alloys

Source: [Kinetics of formation of twinned structures under L1\_0 type orderings in alloys](<https://www.sota2.com/research/paper/68fa255d2c2a3760193af637>)

Collection index: [llms.txt](<https://www.sota2.com/research/llms.txt>)

Data updated: 2025-10-24T10:39:56.118Z

Authors: K.D. Belashchenko, I.R. Pankratov, G.D. Samolyuk, V.G. Vaks

Published: 2001-08-27T20:09:31.000Z

## Abstract

The earlier-developed master equation approach and kinetic cluster methods are applied to study kinetics of L1\_0 type orderings in alloys, including the formation of twinned structures characteristic of cubic-tetragonal-type phase transitions. A microscopical model of interatomic deformational interactions is suggested which generalizes a similar model of Khachaturyan for dilute alloys to the physically interesting case of concentrated alloys. The model is used to simulate A1-\>L1\_0 transformations after a quench of an alloy from the disordered A1 phase to the single-phase L1\_0 state for a number of alloy models with different chemical interactions, temperatures, concentrations, and tetragonal distortions. We find a number of peculiar features in both transient microstructures and transformation kinetics, many of them agreeng well with experimental data. The simulations also demonstrate a phenomenon of an interaction-dependent alignment of antiphase boundaries in nearly-equilibrium twinned bands which seems to be observed in some experiments.

## Recorded benchmark results

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## Original sources and implementation

[Original paper](<https://arxiv.org/abs/cond-mat/0108422>)

[PDF](<https://arxiv.org/pdf/cond-mat/0108422.pdf>)