Pinning of grain boundary migration by a coherent particle

Nan Wang; Youhai Wen; Long Qing Chen

doi:10.1080/09500839.2014.978408

Pinning of grain boundary migration by a coherent particle

Nan Wang, Youhai Wen, Long Qing Chen

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Abstract

We studied single-particle pinning of grain boundary (GB) migration during grain growth. A phase-field model was formulated to simulate the pinning by a coherent particle and validated quantitatively by comparison with analytical prediction. A study of GB migration velocity using this model revealed that second-phase coherent particles have a previously unknown restraining effect over the whole of the GB-particle interaction range, which is qualitatively different from the interaction between GB and incoherent particles.

Original language	English (US)
Pages (from-to)	794-802
Number of pages	9
Journal	Philosophical Magazine Letters
Volume	94
Issue number	12
DOIs	https://doi.org/10.1080/09500839.2014.978408
State	Published - Dec 2 2014

All Science Journal Classification (ASJC) codes

Condensed Matter Physics

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10.1080/09500839.2014.978408

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title = "Pinning of grain boundary migration by a coherent particle",

abstract = "We studied single-particle pinning of grain boundary (GB) migration during grain growth. A phase-field model was formulated to simulate the pinning by a coherent particle and validated quantitatively by comparison with analytical prediction. A study of GB migration velocity using this model revealed that second-phase coherent particles have a previously unknown restraining effect over the whole of the GB-particle interaction range, which is qualitatively different from the interaction between GB and incoherent particles.",

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AU - Wen, Youhai

AU - Chen, Long Qing

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N2 - We studied single-particle pinning of grain boundary (GB) migration during grain growth. A phase-field model was formulated to simulate the pinning by a coherent particle and validated quantitatively by comparison with analytical prediction. A study of GB migration velocity using this model revealed that second-phase coherent particles have a previously unknown restraining effect over the whole of the GB-particle interaction range, which is qualitatively different from the interaction between GB and incoherent particles.

AB - We studied single-particle pinning of grain boundary (GB) migration during grain growth. A phase-field model was formulated to simulate the pinning by a coherent particle and validated quantitatively by comparison with analytical prediction. A study of GB migration velocity using this model revealed that second-phase coherent particles have a previously unknown restraining effect over the whole of the GB-particle interaction range, which is qualitatively different from the interaction between GB and incoherent particles.

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Pinning of grain boundary migration by a coherent particle

Abstract

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