Effect of particles in promoting twin nucleation in a Mg-5 wt.% Zn alloy

J. D. Robson; N. Stanford; M. R. Barnett

doi:10.1016/j.scriptamat.2010.06.026

Effect of particles in promoting twin nucleation in a Mg-5 wt.% Zn alloy

J. D. Robson, N. Stanford, M. R. Barnett

Research output: Contribution to journal › Article › peer-review

Abstract

The number of {101̄2} twins formed in a compressed Mg-5 wt.% Zn alloy increased when precipitate particles were present, reaching a maximum in the peak-aged condition. Particles were observed to promote twin nucleation, but inhibit twin growth. A simple model has been developed to show that in peak- and over-aged condition the increase in twin number is accurately predicted by assuming the additional stress driving twin nucleation equates to the Orowan stress inhibiting twin growth. © 2010 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

Original language	English
Pages (from-to)	823-826
Number of pages	3
Journal	Scripta Materialia
Volume	63
Issue number	8
DOIs	https://doi.org/10.1016/j.scriptamat.2010.06.026
Publication status	Published - Oct 2010

Keywords

Electron backscattering diffraction (EBSD)
Magnesium alloys
Precipitation
Twinning

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title = "Effect of particles in promoting twin nucleation in a Mg-5 wt.% Zn alloy",

abstract = "The number of {10{\=1}2} twins formed in a compressed Mg-5 wt.% Zn alloy increased when precipitate particles were present, reaching a maximum in the peak-aged condition. Particles were observed to promote twin nucleation, but inhibit twin growth. A simple model has been developed to show that in peak- and over-aged condition the increase in twin number is accurately predicted by assuming the additional stress driving twin nucleation equates to the Orowan stress inhibiting twin growth. {\textcopyright} 2010 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.",

keywords = "Electron backscattering diffraction (EBSD), Magnesium alloys, Precipitation, Twinning",

author = "Robson, {J. D.} and N. Stanford and Barnett, {M. R.}",

year = "2010",

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T1 - Effect of particles in promoting twin nucleation in a Mg-5 wt.% Zn alloy

AU - Robson, J. D.

AU - Stanford, N.

AU - Barnett, M. R.

PY - 2010/10

Y1 - 2010/10

N2 - The number of {101̄2} twins formed in a compressed Mg-5 wt.% Zn alloy increased when precipitate particles were present, reaching a maximum in the peak-aged condition. Particles were observed to promote twin nucleation, but inhibit twin growth. A simple model has been developed to show that in peak- and over-aged condition the increase in twin number is accurately predicted by assuming the additional stress driving twin nucleation equates to the Orowan stress inhibiting twin growth. © 2010 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

AB - The number of {101̄2} twins formed in a compressed Mg-5 wt.% Zn alloy increased when precipitate particles were present, reaching a maximum in the peak-aged condition. Particles were observed to promote twin nucleation, but inhibit twin growth. A simple model has been developed to show that in peak- and over-aged condition the increase in twin number is accurately predicted by assuming the additional stress driving twin nucleation equates to the Orowan stress inhibiting twin growth. © 2010 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

KW - Electron backscattering diffraction (EBSD)

KW - Magnesium alloys

KW - Precipitation

KW - Twinning

U2 - 10.1016/j.scriptamat.2010.06.026

DO - 10.1016/j.scriptamat.2010.06.026

M3 - Article

VL - 63

SP - 823

EP - 826

JO - Scripta Materialia

JF - Scripta Materialia

IS - 8

ER -

Effect of particles in promoting twin nucleation in a Mg-5 wt.% Zn alloy

Abstract

Keywords

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