叠层结构Al3Cu合金的微观组织和力学性能研究Study on Microstructure and Mechanical Properties of Laminate Structure Al3Cu Alloy
丁福帅,李秋书,吴瑞瑞,袁伟
摘要(Abstract):
采用保温阶段不同连接压力扩散连接和液压的方法,研究叠层结构Al3Cu合金的微观组织和力学性能。结果表明,在保温阶段25 MPa连接压力时,Al3Cu合金的界面氧元素向相邻层均匀分散,粗晶区和细晶区充分结合,形成具有非均匀区域的叠层结构Al3Cu合金。界面处的平均硬度为329.18 HV,介于轧制层和退火轧制层之间。与80%轧制态相比,抗拉强度由301.44 MPa升至310.16 MPa,延伸率由4.1增至8.3,这表明实现了优异的强韧性匹配。
关键词(KeyWords): 叠层结构;Al3Cu合金;微观组织;力学性能
基金项目(Foundation): 山西省高等学校科技创新项目(2019L0620);; 太原科技大学博士启动基金(20182032);; 来晋工作优秀博士奖励基金(20192027)
作者(Author): 丁福帅,李秋书,吴瑞瑞,袁伟
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