石凤健,王雷刚,王海龙,汪建敏

• 1:江苏大学材料科学与工程学院
• 2:江苏科技大学材料科学与工程学院

摘要(Abstract)：

研究了CuCrZr合金等径角挤压(ECAP)后的微观组织演变及软化温度。结果表明,固溶态CuCrZr合金经路线BC(每挤一道次后试样沿同一方向旋转90°)等径角挤压10道次后组织细化至亚微米级,超细晶晶粒较为等轴、均匀。等径角挤压10道次后合金的软化温度约为530℃,但550℃时,合金的硬度仍高达161HV,这说明ECAP后合金的抗软化能力并没有降低。因为ECAP促进了时效时析出相的析出,使得析出相更为弥散、细小,从而提高了合金的力学性能。

关键词(KeyWords)： 等径角挤压;CuCrZr合金;软化温度;超细晶

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金资助项目(50575097);; 江苏大学科技创新团队项目(08JDK011)

作者(Author): 石凤健,王雷刚,王海龙,汪建敏

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