A Phenomenological Model of Twinning Kinetics

Alexei Vinogradov, Evgeny Vasilev, Dmitry Merson, Yuri Estrin

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Abstract

We present a model of deformation twinning based on the idea that twin generation is a stress-driven process. Using simple, yet sensible, assumptions regarding the grain size distribution, an equation for the variation of the twin volume fraction with the flow stress is obtained. The model is validated for the case of Mg alloy ZK60 through measurements of the evolving volume fraction of twins by means of direct video observation of the specimen surface and by monitoring the acoustic emission signals.

Original languageEnglish
Article number1600092
Number of pages10
JournalAdvanced Engineering Materials
Volume19
Issue number1
DOIs
Publication statusPublished - 1 Jan 2017

Cite this

Vinogradov, A., Vasilev, E., Merson, D., & Estrin, Y. (2017). A Phenomenological Model of Twinning Kinetics. Advanced Engineering Materials, 19(1), [1600092]. https://doi.org/10.1002/adem.201600092