AuAgCu合金组织与性能研究

发布时间：2018-02-26 11:35

  本文关键词： 金银铜合金 时效处理 显微组织 硬度　出处：《热加工工艺》2017年22期 　论文类型：期刊论文

【摘要】：采用真空熔炼、轧制和固溶处理,然后冷加工75%制备Au Ag Cu35-5合金片材。研究合金固溶和时效处理对组织和力学性能的影响。结果表明:500℃固溶处理时,合金组织为纤维状回复再结晶结构。随固溶温度增加,组织发生完全再结晶并长大,形成贯穿晶粒的完整退火孪晶。炉冷和时效处理时,组织为等轴细小的球形晶粒。合金的硬度随固溶温度升高而降低,时效硬度随温度升高而增大。300℃时效时,硬度在3 h时效时达到峰值,然后随时间增加,缓慢降低。
[Abstract]:Au Ag Cu35-5 alloy sheet was prepared by vacuum melting, rolling and solution treatment, and then cold worked on 75%. The effect of solution and aging treatment on microstructure and mechanical properties was studied. The microstructure of the alloy is fibrous recovery recrystallization structure. With the increase of the solution temperature, the microstructure completely recrystallizes and grows, forming the complete annealing twin through the grain. The hardness of the alloy decreases with the increase of solution temperature. When aging temperature increases at .300 鈩，

本文编号：1537864