合金化元素对K4169高温合金组织稳定性影响的研究现状  

Research Status of the Effects of Alloying Elements on Microstructural Stability of K4169 Superalloy

作　　者：王恺[1] 王俊[1] 康茂东[1] 董安平[1] 孙宝德[1] 

机构地区：[1]上海交通大学金属基复合材料国家重点试验室,上海200240

出　　处：《材料导报》2013年第9期122-126,136,共6页Materials Reports

基　　金：国家自然科学基金(51204110);上海市科学技术委员会科研计划资助项目(11521100703)

摘　　要：综述了合金元素对K4169高温合金高温条件下组织稳定性影响的研究现状。对比了主要合金元素在合金中的作用,详细分析了沉淀强化元素、固溶强化元素、微合金化元素及杂质元素对合金组织稳定性的影响规律,并总结了目前合金化的研究成果和存在的问题。Recent development of researches on effects of alloying elements on microstructural stability of K4169 superalloy at high temperature are reviewed. Effects of main alloying elements are compared. Reasons and rules of the influence of alloying elements, including precipitation strengthening elements, solid solution strengthening elements, micro-alloying elements and impurities, on microstruetural stability of K4169 superalloy are analyzed in de- tail. Research achievements as well as problems in the field of alloying are also summarized.

关 键 词：K4169高温合金 合金化元素 组织稳定性 

分 类 号：TG132.33[一般工业技术—材料科学与工程]