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Journal of Materials Engineering and Performance

Erschienen in:

05.08.2016

Microstructure and Strengthening Mechanism of Fiber Laser-Welded High-Strength Mg-Gd-Y-Zr Alloy

verfasst von: Lyuyuan Wang, Jian Huang, Zhuguo Li, Jie Dong, Yixiong Wu

Erschienen in: Journal of Materials Engineering and Performance | Ausgabe 10/2016

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Abstract

The microstructure and mechanical properties of laser-welded high-strength Mg-Gd-Y-Zr alloy in T6 condition were investigated. The network-distributed precipitates at grain boundaries were identified as the Mg₂₄(Gd,Y)₅. No significant grain coarsening was observed in the heat-affected zone. The deterioration of mechanical properties was attributed to the dissolution of precipitates in the heat-affected zone during laser welding. For the weakest part of the heat-affected zone, solid solution strengthening was the most important strengthening factor.

Vorheriger Artikel Finite Element Modelling Full Vehicle Side Impact with Ultrahigh Strength Hot Stamped Steels

Nächster Artikel Influence of Grain Size on Electrically Assisted Tensile Behavior of Ti-6Al-4V Alloy

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Titel: Microstructure and Strengthening Mechanism of Fiber Laser-Welded High-Strength Mg-Gd-Y-Zr Alloy
verfasst von: Lyuyuan Wang
Jian Huang
Zhuguo Li
Jie Dong
Yixiong Wu
Publikationsdatum: 05.08.2016
Verlag: Springer US
Erschienen in: Journal of Materials Engineering and Performance / Ausgabe 10/2016
Print ISSN: 1059-9495
Elektronische ISSN: 1544-1024
DOI: https://doi.org/10.1007/s11665-016-2260-8

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