Divorced Eutectic β phase in Mg-Al Series Magnesium Alloys

Xia Pengju1; Jiang Bailing1; Zhang Jumei1; Zhang Jiyuan1; Yuan Sen1

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Divorced Eutectic β phase in Mg-Al Series Magnesium Alloys
Issue 5, Pages: 360-362(2007)
Published： 2007 ，
DOI：

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[1]夏鹏举,蒋百灵,张菊梅,张继源,袁森.Mg-Al系镁合金离异共晶β相的研究[J].特种铸造及有色合金,2007(05):360-362+325.

Xia Pengju1, Jiang Bailing1, Zhang Jumei1, et al. Divorced Eutectic β phase in Mg-Al Series Magnesium Alloys. [J]. Special Casting & Nonferrous Alloys (5):360-362(2007)
[1]夏鹏举,蒋百灵,张菊梅,张继源,袁森.Mg-Al系镁合金离异共晶β相的研究[J].特种铸造及有色合金,2007(05):360-362+325. DOI：

Xia Pengju1, Jiang Bailing1, Zhang Jumei1, et al. Divorced Eutectic β phase in Mg-Al Series Magnesium Alloys. [J]. Special Casting & Nonferrous Alloys (5):360-362(2007) DOI：

摘要

简述了离异共晶β相的特征、生长方式及对力学性能的影响

重点分析了改善和抑制离异共晶β相的方法和措施。在非平衡凝固条件下

Mg-Al系镁合金在晶界处析出大量质硬性脆的β相

阻碍了合金韧性的提高。对几种Mg-Al合金进行了改善和抑制离异共晶β相的试验。结果表明

采用适当的措施可以改善和抑制离异共晶β相。

Abstract

The characteristics

growing ways of divorced eutectic β phase and its effects on mechanical properties of Mg-Al alloys have been reviewed briefly. The measurements improving and restraining the β phase were paid attention to. The toughness of the alloys can be hampered by much rigid and crisp β phase precipitated from grain boundary in Mg-Al alloy with non-equilibrium solidification. The experiments improving and restraining divorced eutectic β phase in Mg-Al series alloy were conducted. The results indicate that the rational measures can effectively improve and restrain the growth of divorced eutectic β phase.