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Microstructural evolution and mechanical properties of Mg-11Gd-4.5Y-1Nd-1.5Zn-0.5Zr alloy prepared via pre-ageing and hot extrusion

Research output: Journal contributions › Journal articles › Research › peer-review

Standard

Microstructural evolution and mechanical properties of Mg-11Gd-4.5Y-1Nd-1.5Zn-0.5Zr alloy prepared via pre-ageing and hot extrusion. / Yu, Zijian; Huang, Yuanding; Mendis, Chamini Lakshi et al.
In: Materials Science and Engineering A, Vol. 624, 29.01.2015, p. 23-31.

Research output: Journal contributions › Journal articles › Research › peer-review

Harvard

Yu, Z, Huang, Y, Mendis, CL, Hort, N & Meng, J 2015, 'Microstructural evolution and mechanical properties of Mg-11Gd-4.5Y-1Nd-1.5Zn-0.5Zr alloy prepared via pre-ageing and hot extrusion', Materials Science and Engineering A, vol. 624, pp. 23-31. https://doi.org/10.1016/j.msea.2014.11.061

APA

Yu, Z., Huang, Y., Mendis, C. L., Hort, N., & Meng, J. (2015). Microstructural evolution and mechanical properties of Mg-11Gd-4.5Y-1Nd-1.5Zn-0.5Zr alloy prepared via pre-ageing and hot extrusion. Materials Science and Engineering A, 624, 23-31. https://doi.org/10.1016/j.msea.2014.11.061

Vancouver

Yu Z, Huang Y, Mendis CL, Hort N, Meng J. Microstructural evolution and mechanical properties of Mg-11Gd-4.5Y-1Nd-1.5Zn-0.5Zr alloy prepared via pre-ageing and hot extrusion. Materials Science and Engineering A. 2015 Jan 29;624:23-31. doi: 10.1016/j.msea.2014.11.061

Bibtex

@article{243d281d982940629c75f64a17f2fb9e,
title = "Microstructural evolution and mechanical properties of Mg-11Gd-4.5Y-1Nd-1.5Zn-0.5Zr alloy prepared via pre-ageing and hot extrusion",
abstract = "The Mg-11Gd-4.5Y-1Nd-1.5Zn-0.5Zr (wt%) alloy was pre-aged prior to hot extrusion. Pre-ageing treatment introduced uniform distribution of plate-like Mg5RE precipitates, which transformed into nano-scale globular Mg5RE particles by split and spheroidization during hot extrusion. These globular Mg5RE particles contributed to continuous dynamic recrystallization by promoting the evolution of low misorientation sub-grain boundaries to high misorientation grain boundaries and caused grain refinement through grain boundary pinning. The improved mechanical properties were ascribed to the grain refinement, globular Mg5RE and LPSO precipitates. The ratio of compressive to tensile yield strength is 1.2. The yield strength asymmetry was attributed to the deformation asymmetry of LPSO phase and non-isotropic deformation behaviors of Mg matrix in tension and compression.",
keywords = "Deformation, Mechanical properties, Pre-ageing, Precipitates, Recrystallization, Engineering",
author = "Zijian Yu and Yuanding Huang and Mendis, {Chamini Lakshi} and Norbert Hort and Jian Meng",
year = "2015",
month = jan,
day = "29",
doi = "10.1016/j.msea.2014.11.061",
language = "English",
volume = "624",
pages = "23--31",
journal = "Materials Science and Engineering A",
issn = "0921-5093",
publisher = "Elsevier Ltd",

}

RIS

TY - JOUR

T1 - Microstructural evolution and mechanical properties of Mg-11Gd-4.5Y-1Nd-1.5Zn-0.5Zr alloy prepared via pre-ageing and hot extrusion

AU - Yu, Zijian

AU - Huang, Yuanding

AU - Mendis, Chamini Lakshi

AU - Hort, Norbert

AU - Meng, Jian

PY - 2015/1/29

Y1 - 2015/1/29

N2 - The Mg-11Gd-4.5Y-1Nd-1.5Zn-0.5Zr (wt%) alloy was pre-aged prior to hot extrusion. Pre-ageing treatment introduced uniform distribution of plate-like Mg5RE precipitates, which transformed into nano-scale globular Mg5RE particles by split and spheroidization during hot extrusion. These globular Mg5RE particles contributed to continuous dynamic recrystallization by promoting the evolution of low misorientation sub-grain boundaries to high misorientation grain boundaries and caused grain refinement through grain boundary pinning. The improved mechanical properties were ascribed to the grain refinement, globular Mg5RE and LPSO precipitates. The ratio of compressive to tensile yield strength is 1.2. The yield strength asymmetry was attributed to the deformation asymmetry of LPSO phase and non-isotropic deformation behaviors of Mg matrix in tension and compression.

AB - The Mg-11Gd-4.5Y-1Nd-1.5Zn-0.5Zr (wt%) alloy was pre-aged prior to hot extrusion. Pre-ageing treatment introduced uniform distribution of plate-like Mg5RE precipitates, which transformed into nano-scale globular Mg5RE particles by split and spheroidization during hot extrusion. These globular Mg5RE particles contributed to continuous dynamic recrystallization by promoting the evolution of low misorientation sub-grain boundaries to high misorientation grain boundaries and caused grain refinement through grain boundary pinning. The improved mechanical properties were ascribed to the grain refinement, globular Mg5RE and LPSO precipitates. The ratio of compressive to tensile yield strength is 1.2. The yield strength asymmetry was attributed to the deformation asymmetry of LPSO phase and non-isotropic deformation behaviors of Mg matrix in tension and compression.

KW - Deformation

KW - Mechanical properties

KW - Pre-ageing

KW - Precipitates

KW - Recrystallization

KW - Engineering

UR - http://www.scopus.com/inward/record.url?scp=84918798445&partnerID=8YFLogxK

U2 - 10.1016/j.msea.2014.11.061

DO - 10.1016/j.msea.2014.11.061

M3 - Journal articles

AN - SCOPUS:84918798445

VL - 624

SP - 23

EP - 31

JO - Materials Science and Engineering A

JF - Materials Science and Engineering A

SN - 0921-5093

ER -

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