Microstructure refinement of a TiAl alloy by beat treatment

被引：0
|
作者：
Wang, Yong
Wang, J.N.
Xia, Qiangfei
Yang, Jie
机构：
来源：
Materials Science and Engineering A: Structural Materials: Properties, Microstructure and Processing | 2000年 / 293卷 / 01期
关键词：
Crystal microstructure - Heat treatment - Grain size and shape - Thermal cycling - Aging of materials;
D O I：
暂无
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学科分类号：
摘要：
In order to refine the as-cast microstructure of a TiAl alloy based alloy with a grain size of approximately 1000 µm, a multiple-stage heat treatment was carried out and a fine fully lamellar microstructure (FFL) with a grain size of 10-20 µm was obtained. This treatment route includes pretreatment in the single α field, cyclical treatment and aging in the α+γ field and solution treatment in the α field again. The final refining result appears to be influenced by the aging length.
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页码：102 / 106
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