电场时效对LY12铝合金微变形行为的影响  

Influence of Aging in Electric Field on Microplastic Deformation Behavior of LY12 Al Alloy

作　　者：孙东立[1] 王美玲[1] 王秀芳[1] 武高辉[1] 

机构地区：[1]哈尔滨工业大学材料科学与工程学院,哈尔滨150001

出　　处：《材料工程》2003年第5期15-18,共4页Journal of Materials Engineering

摘　　要：研究了电场时效处理中电场强度对LY12铝合金的微屈服强度和微变形行为的影响,也研究了直流电场时效和脉冲电场时效对合金微变形行为的影响。结果表明,适当的电场时效可以使合金的微屈服强度明显提高,优选出最佳的电场时效工艺参数是:E=2kV/cm,190℃/10h。The influence of electric field intensity during aging in an electric field on the microyield strength and microplastic deformation behavior of LY12 aluminum alloy was studied Moreover, the microplastic deformation behaviors of the alloy after aging in a direct current electric field and pulse electric field,were studied respectively The results show that the microyield strength of the alloy is obviously improved by an appropriate procedure of aging in an electric field and the optimum processing parameter is E=2kV/cm,190℃/10h 

关 键 词：LY12铝合金 电场时效 微屈服强度 微变形行为 

分 类 号：TG151[金属学及工艺—热处理]