稀土Gd对Ti-46.5Al-2.5V-1.0Cr合金组织的影响

被引：0
|
作者：
昌霞 [1 ]
司家勇 [1 ]
韩鹏彪 [1 ]
张继 [1 ]
机构：
[1] 钢铁研究总院高温材料研究所
来源：
钢铁研究学报 | 2009年 / 09期
关键词：
TiAl合金; 稀土元素; 铸态组织; 变形组织;
D O I：
10.13228/j.boyuan.issn1001-0963.2009.09.007
中图分类号：
TG131 [合金学理论];
学科分类号：
080502 ;
摘要：
通过光学金相和扫描电镜观察,分析了Ti-46.5Al-2.5V-1.0Cr(at.%)合金中添加微量稀土Gd对其铸态和变形组织的影响。结果表明,含Gd的TiAl合金其铸造组织晶粒更细小,变形宏观组织中均匀变形区较大,变形组织中动态再结晶的体积分数高,层片分解较完全。
引用
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页码：47 / 50
页数：4
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