摘要
利用金相显微镜和万能材料试验机,通过界面组织观察和力学性能测试,系统研究了铜/铝/铜冷轧复合薄带的热处理工艺,并讨论了热处理工艺参数对铜铝冷轧复合薄带界面组织和力学性能的影响规律.通过研究,得出如下结论:随退火温度升高或保温时间的延长,复合带强度降低,塑性增强;退火后复合带界面宽度为2～5μm,界面有脆性化合物CuAl2,CuAl和Cu9Al4生成;410℃退火,保温10 min时复合带综合性能最佳,为复合薄带的最佳热处理工艺.
By using a metaUograph and a universal material testing machine to observe the interface microstructure of Cu/A1 composite thin plates and test their mechanical properties, the effect of heat treatment parameters on them was investegated. It is concluded that the strength of the composite plates decreases and their plasticity increases with increasing the annealed temperature or holding time. The interface width of the composite plates is 2- 5 μm after annealing, with brittle compounds （CuA12, CuAI and CugA14） observed. The composite plates annealed at 410 ℃ for 10 rain exhibit the optimal balance of mechanical properties, i.e. , heating up to 410 ℃ then holding 10 min is an o0timal annealing schedule.
出处
《东北大学学报（自然科学版）》
EI
CAS
CSCD
北大核心
2012年第2期236-238,257,共4页
Journal of Northeastern University(Natural Science)
基金
国家高技术研究发展计划项目(2009AA03Z534)
国家自然科学基金资助项目(51174058)
关键词
复合带
热处理
组织
力学性能
界面化合物
composite plate
heating treatment
microstructure
mechanical property
interfacecompound
