ZL107合金的高温静态蠕变和循环蠕变  

Static and cyclic creep behavior of ZL107 alloy

作　　者：王珊玲[1] 沈保罗[1] 高升吉[1] 李达[1] 涂铭旌[1] 于维成[2] 姚戈[2] 

机构地区：[1]四川大学金属材料系,成都610065 [2]中国科学院金属研究所,沈阳110016

出　　处：《中国有色金属学报》2001年第4期626-630,共5页The Chinese Journal of Nonferrous Metals

基　　金：国家自然科学基金资助项目 ( 5 96310 80 )

摘　　要：研究了不同热处理状态的ZL10 7合金在 3 0 0℃的高温静态蠕变和循环蠕变的行为。结果发现 :峰时效下 ,合金的蠕变抗力强于过时效状态下材料的蠕变抗力。循环蠕变时材料表现出蠕变减速现象。经峰时效处理的ZL10 7合金在循环蠕变中表现出较静态蠕变低的激活能 ,用非热空位机制进行了解释 ,而经过时效处理的ZL10 7合金表现出高的激活能 。The elevated temperature static and cyclic creep behavior of ZL107 alloy by different heating treatments at 300?℃ were investigated. The results indicate that on the condition of peak aging, the materials show higher resistant to creep than those overaged materials do. During cyclic creep, ZL107 alloy shows cyclic creep retardation in the tested stress range. On the condition of peak aging, ZL107 alloy shows lower apparent activation energy in cyclic creep in comparison with that in static creep and an analysis based on a thermal vacany is introduced to explain result on the condition of over aging. ZL107 alloy shows higher apparent energy, anelastic recovery plays a more important role.

关 键 词：ZL107合金 热处理 蠕变 铝合金 高温静态蠕变 循环蠕变 

分 类 号：TG146.21[一般工业技术—材料科学与工程] TG111.8[金属学及工艺—金属材料]