Mg-Gd-Y-Zr高强耐热镁合金的研究进展

来源期刊:中国有色金属学报2011年第11期

论文作者:吴文祥 靳丽 董杰 章桢彦 丁文江

文章页码:2709 - 2718

关键词:Mg-Gd-Y-Zr 镁合金;高强耐热;腐蚀行为;时效析出;固态回收

Key words:Mg-Gd-Y-Zr magnesium alloys; high strength and heat resistant; corrosion behavior; aging precipitation; solid-state recycling

摘    要:Mg-Gd-Y-Zr 合金由于具有优异的室温、高温力学性能及抗蠕变性能而成为镁合金研究的热点。本文作者总结国内外 Mg-Gd-Y-Zr 合金的研究进展,分析熔体纯净化技术开发现状、热变形行为、强化机制以及断裂机制,讨论Mg-Gd-Y-Zr 合金蠕变机理、腐蚀机理及表面处理技术的研究情况,并对Mg-Gd-Y-Zr合金固态回收技术进行介绍,最后,对该合金未来的发展方向进行展望。

Abstract:

Mg-Gd-Y-Zr alloys are increasingly investigated in recent years due to their excellent mechanical properties at room and elevated temperatures and good creep resistance. The research progress on the alloys all over the world was reviewed, and then the development of new flux, hot deformation behavior, strengthening mechanisms and fracture mechanisms were analyzed. Moreover, the creep mechanism, corrosion mechanism, surface treatment technology and the solid-state recycling on Mg-Gd-Y-Zr alloys were summarized. At last, further research areas on Mg-Gd-Y-Zr alloys were suggested.

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