轧制变形量对Zn-3Cu合金显微组织、力学和耐腐蚀性能的影响  

Effect of Rolling Deformation on Microstructure, Mechanical Properties and Corrosion Resistance of Zn-3Cu Alloy

作　　者：李然然 杨家财 林建国 张德闯 Li Ranran;Yang Jiacai;Lin Jianguo;Zhang Dechuang(School of Materials Science and Engineering,Xiangtan University,Xiangtan 411105,China)

机构地区：[1]湘潭大学材料科学与工程学院,湖南湘潭411105

出　　处：《稀有金属材料与工程》2024年第5期1437-1443,共7页Rare Metal Materials and Engineering

基　　金：国家自然科学基金面上项目(11872053)。

摘　　要：以Zn-3Cu合金为研究对象。研究轧制变形量对Zn-3Cu合金的显微组织、力学性能和耐腐蚀性能的影响。结果表明,随着轧制变形量的增加,Zn-3Cu合金基体晶粒细化程度不断加深,合金中的CuZn4相沿着轧制方向不断被拉长并出现部分断裂。Zn-3Cu合金的强度先增后减,塑性不断增强,60%变形量的Zn-3Cu合金具有最高的屈服强度,达到了(263.1±4.9)MPa。随着变形量增加,轧态Zn-3Cu合金的耐腐蚀性能逐渐减弱,铸态Zn-3Cu合金表现出优异的耐腐蚀性能。The effects of rolling deformation on the microstructure,mechanical properties and corrosion resistance of Zn-3Cu alloy were studied.Results show that with the increase in rolling deformation,the grains of Zn-3Cu alloy matrix are refined,and the CuZn4 phase in the alloy is elongated and partially broken along the rolling direction.The strength of Zn-3Cu alloy increases first and then decreases,and the plasticity increases continuously.The Zn-3Cu alloy with the deformation of 60%has the highest yield strength,reaching(263.1±4.9)MPa.With the increase in deformation,the corrosion resistance of the as-rolled Zn-3Cu alloy gradually decreases,while the as-cast Zn-3Cu alloy exhibits excellent corrosion resistance.

关 键 词：锌基合金 轧制处理 组织 性能 

分 类 号：TG146.13[一般工业技术—材料科学与工程]