Effects of Sc Addition and Annealing Treatment on the Microstructure and Mechanical Properties of the As-rolled Mg-3Li alloy

The microstructures and mechanical properties of the as-rolled Mg-3Li and Mg-3Li-1Sc （wt%） alloys before and after annealing treatment have been investigated. Results show that the grains are refined evidently and the recrystallization temperature is improved for more than 100℃by adding 1 wt% Sc int...

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Bibliographic Details
Published in:Journal of materials science & technology 2011-08, Vol.27 (8), p.753-758
Main Authors: Sha, Guiying, Sun, Xiaoguang, Liu, Teng, Zhu, Yuhong, Yu, Tao
Format: Article
Language:English
Subjects:
Alloying additive
Annealing
Ductility
ISC
Magnesium base alloys
Mechanical properties
Mg-Li-Sc alloy
Microstructure
Recrystallization
Scandium
再结晶温度
冷轧
力学性能
加法
治疗
退火处理
镁合金
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Summary:The microstructures and mechanical properties of the as-rolled Mg-3Li and Mg-3Li-1Sc （wt%） alloys before and after annealing treatment have been investigated. Results show that the grains are refined evidently and the recrystallization temperature is improved for more than 100℃by adding 1 wt% Sc into the Mg-3Li alloy. After complete recrystallization, both the strength and ductility of the Mg-3Li alloy are improved evidently with the addition of minor Sc. The brittle fracture tendency of Mg-3Li-ISc alloy also reduces obviously.
ISSN:1005-0302
1941-1162
DOI:10.1016/S1005-0302(11)60138-2