朱雪峰,樊凯,孔祥千,李超,丁永峰,王柯

• 1:湖南湘投金天钛业科技股份有限公司
• 2:重庆大学材料科学与工程学院

摘要(Abstract)：

对TC21钛合金在两相区进行三级热处理，获得了等轴α+片层α+弥散α相的微观组织，并研究了热处理工艺参数对合金α相形貌、含量以及力学性能的影响。结果表明：一级热处理温度主要影响等轴α和片层α相的相对含量，二级热处理温度主要影响片层α和弥散α相的相对含量；当二级和三级热处理温度相同时，随着一级热处理温度的升高，等轴α相含量降低，片层α相含量增加，弥散α相含量变化较小，合金的强度逐渐增加，伸长率变化较小；当一级和三级热处理温度相同时，随着二级热处理温度的升高，片层α相含量降低，弥散α相含量增加，等轴α相含量变化较小，合金的强度逐渐增加，伸长率逐渐降低。

关键词(KeyWords)： TC21钛合金;三级热处理;微观组织;力学性能

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51971046)

作者(Author): 朱雪峰,樊凯,孔祥千,李超,丁永峰,王柯

DOI: 10.13289/j.issn.1009-6264.2024-0139

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