刘慧敏,王彦青,许萍

• 1:内蒙古工业大学材料科学与工程学院
• 2:内蒙古轻金属材料重点实验室

摘要(Abstract)：

采用喷射沉积及原位反应喷射沉积方法制备7093铝合金及7093+TiC铝合金,研究试验合金420℃热挤压及不同固溶处理后的微观组织和力学性能。探索原位TiC颗粒对喷射沉积7093铝合金组织的影响。结果表明,原位TiC颗粒能够提高喷射沉积7093铝合金的再结晶温度10℃,当固溶温度达到490℃时,7093+TiC铝合金中的富Cu颗粒基本溶解,但并未出现过烧现象。采用450℃×3h+480℃×3h+120℃×24h的制度处理后,7093+TiC铝合金的抗拉强度达754 MPa,伸长率达7.1%。

关键词(KeyWords)： 原位TiC颗粒;微观组织;喷射沉积7093铝合金

Abstract:

Keywords:

基金项目(Foundation): 内蒙古自然科学基金项目(20080404ZD17)

作者(Author): 刘慧敏,王彦青,许萍

DOI: 10.13289/j.issn.1009-6264.2010.01.016

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