Precipitation microstructure and age-hardening response of an Mg-Gd-Nd-Zn-Zr alloy

J. H. Li; G. Sha; T. Y. Wang; W. Q. Jie; S. P. Ringer

doi:10.1016/j.msea.2011.10.092

Precipitation microstructure and age-hardening response of an Mg-Gd-Nd-Zn-Zr alloy

J. H. Li, G. Sha, T. Y. Wang, W. Q. Jie, S. P. Ringer

材料学院

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Precipitates in an Mg-3.6Gd-2.8Nd-0.6Zn-0.4Zr (wt.%) alloy aged for times up to 70h at 200°C have been characterised using transmission electron microscopy and atom probe tomography. The precipitate phases known as β', β' and β₁ occur during this ageing. The solute elements Nd, Zn and Gd partition significantly into these precipitates. The enhanced ageing hardening response after aged 70h is mainly attributed to the precipitation of β' and β₁ with a number density by a factor of 10 less than that of β' and β' precipitates formed after 3h ageing.

源语言	英语
页（从-至）	1-6
页数	6
期刊	Materials Science and Engineering: A
卷	534
DOI	https://doi.org/10.1016/j.msea.2011.10.092
出版状态	已出版 - 1 2月 2012

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title = "Precipitation microstructure and age-hardening response of an Mg-Gd-Nd-Zn-Zr alloy",

abstract = "Precipitates in an Mg-3.6Gd-2.8Nd-0.6Zn-0.4Zr (wt.%) alloy aged for times up to 70h at 200°C have been characterised using transmission electron microscopy and atom probe tomography. The precipitate phases known as β', β' and β1 occur during this ageing. The solute elements Nd, Zn and Gd partition significantly into these precipitates. The enhanced ageing hardening response after aged 70h is mainly attributed to the precipitation of β' and β1 with a number density by a factor of 10 less than that of β' and β' precipitates formed after 3h ageing.",

keywords = "Age hardening, Atom probe tomography, Magnesium alloys, Precipitation, Transmission electron microscopy",

author = "Li, {J. H.} and G. Sha and Wang, {T. Y.} and Jie, {W. Q.} and Ringer, {S. P.}",

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T1 - Precipitation microstructure and age-hardening response of an Mg-Gd-Nd-Zn-Zr alloy

AU - Li, J. H.

AU - Sha, G.

AU - Wang, T. Y.

AU - Jie, W. Q.

AU - Ringer, S. P.

PY - 2012/2/1

Y1 - 2012/2/1

N2 - Precipitates in an Mg-3.6Gd-2.8Nd-0.6Zn-0.4Zr (wt.%) alloy aged for times up to 70h at 200°C have been characterised using transmission electron microscopy and atom probe tomography. The precipitate phases known as β', β' and β1 occur during this ageing. The solute elements Nd, Zn and Gd partition significantly into these precipitates. The enhanced ageing hardening response after aged 70h is mainly attributed to the precipitation of β' and β1 with a number density by a factor of 10 less than that of β' and β' precipitates formed after 3h ageing.

AB - Precipitates in an Mg-3.6Gd-2.8Nd-0.6Zn-0.4Zr (wt.%) alloy aged for times up to 70h at 200°C have been characterised using transmission electron microscopy and atom probe tomography. The precipitate phases known as β', β' and β1 occur during this ageing. The solute elements Nd, Zn and Gd partition significantly into these precipitates. The enhanced ageing hardening response after aged 70h is mainly attributed to the precipitation of β' and β1 with a number density by a factor of 10 less than that of β' and β' precipitates formed after 3h ageing.

KW - Age hardening

KW - Atom probe tomography

KW - Magnesium alloys

KW - Precipitation

KW - Transmission electron microscopy

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M3 - 文章

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JO - Materials Science and Engineering: A

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ER -

Precipitation microstructure and age-hardening response of an Mg-Gd-Nd-Zn-Zr alloy

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