郝世明,毛建伟,谢敬佩

• 1:河南科技大学物理工程学院
• 2:有色金属共性技术河南省协同创新中心
• 3:上海交通大学金属基复合材料国家重点实验室
• 4:河南科技大学材料与工程学院

摘要(Abstract)：

对原位内生Ti B2/7055铝基复合材料的微观组织和热处理特性进行了研究。结果表明,原位内生的Ti B2颗粒在基体中弥散分布,与基体界面结合良好。Ti B2/7055复合材料具有显著的时效强化行为,增强相Ti B2颗粒促进复合材料的时效析出行为,缩短硬度达到峰值的时间,热处理后硬度和抗拉强度等性能明显提高。确定了12 mass%Ti B2/7055复合材料最佳热处理制度为460℃固溶60 min,120℃时效20 h。

关键词(KeyWords)： 7055铝合金;铝基复合材料;原位合成;TiB2;热处理

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51371077)

作者(Author): 郝世明,毛建伟,谢敬佩

DOI: 10.13289/j.issn.1009-6264.2015.05.006

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