刘哲,王爱琴,谢敬佩,陈瑶,王项

• 1:河南科技大学材料科学与工程学院
• 2:有色金属共性技术河南省协同创新中心
• 3:洛阳铜一金属材料发展有限公司

摘要(Abstract)：

对轧制态及退火态铜铝复合板进行了室温拉伸试验,得到了其不同变形速度下的强度和塑性性能数据,计算了其不同变形速度下的应变硬化指数n值,以得到其优化的拉深速度。分别在无润滑、20号机油润滑以及聚丙烯薄膜润滑3种条件下对两种状态的铜铝复合板进行拉深试验,测量变形后的极限拱顶高度H,观察分析缺陷位置以及界面层演变规律。结果表明,经300℃×2 h退火处理后的铜铝复合板在拉深速度为7 mm/min时的拉深成形性能更优,聚丙烯薄膜润滑可以大大提高板料的拉深成形性能。

关键词(KeyWords)： 铜铝复合板;界面层;拉深变形;极限拱顶高度

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金河南联合基金重点项目(U1604251)

作者(Author): 刘哲,王爱琴,谢敬佩,陈瑶,王项

DOI: 10.13289/j.issn.1009-6264.2020-0508

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