Al-Li合金显微组织与力学性能关系的研究  

Relationship Between Microstructure and Mechanical Propertie of AL-Li Alloy

作　　者：任英磊[1] 贾乙东 李正文[3] 

机构地区：[1]沈阳工业大学,沈阳110023 [2]锦州有色金属厂,锦州121000 [3]沈阳重型机器厂,沈阳110025

出　　处：《沈阳工业大学学报》1998年第6期26-29,共4页Journal of Shenyang University of Technology

基　　金：国家自然科学基金!59371058

摘　　要：研究8090A1-Li合金显微组织和力学性能的关系．通过定量分析的方法分析了δ’相的尺寸、数量对合金力学性能的影响．结果表明：时效初期δ’相长大速度较快，δ’相平均尺寸长到13nm时，合金的屈服强度达到530MPa．The present work studied the aged microstructures and Mechanical properties of 8090 Al-Li alloy.The effect of Size And quantity of δ' phase on mechanical property was inverstigated By quatitative analysis.The results showed that the growth rate of δ' phase was Higher at the beginning of aging and when the average size of δ' phase was about 13 nm,the yield strength of the alloy reached maximal value,530 Mpa.

关 键 词：铝锂合金 力学性能 显微组织 弹性模量 

分 类 号：TG146.21[一般工业技术—材料科学与工程]