粉末高温合金热挤压工艺研究进展  

Research progress on hot extrusion process of P/M superalloy

作　　者：石英男 孙少斌 曲敬龙[1,2] 刘明东 荣昆[1,2] 贾建 SHI Yingnan;SUN Shaobin;QU Jinglong;LIU Mingdong;RONG Kun;JIA Jian(Gaona Aero Material Co.Ltd.,Beijing 100081,China;High Temperature Materials Institute,Central Iron and Steel Research Institute,Beijing 100081,China)

机构地区：[1]北京钢研高纳科技股份有限公司,北京100081 [2]钢铁研究总院有限公司高温材料研究所,北京100081

出　　处：《粉末冶金工业》2024年第1期124-133,共10页Powder Metallurgy Industry

基　　金：国防基础科研项目(JKCY2020512C001);北京钢研高纳科技股份有限公司自立规划项目(GN21G03)。

摘　　要：概述了欧美国家粉末高温合金热挤压工艺的发展历程与应用情况,阐述了我国粉末高温合金热挤压工艺的研究进展,介绍了René95、René88DT和FGH4096合金的挤压工艺参数选取原则,重点分析了挤压工艺参数(挤压比、挤压速度、挤压温度等)对粉末高温合金挤压成形及组织性能的影响规律,阐明了热挤压过程中粉末高温合金非金属夹杂物的演变行为。The development and application of hot extrusion process for P/M superalloys in Europe and US were summarized.The research progress of hot extrusion process for P/M superalloys in China was described.The selec-tion principles of extrusion process parameters for René95,René88DT and FGH4096 alloys were introduced.The influence of extrusion process parameters(extrusion ratio,extrusion speed,extrusion temperature,etc.)on the ex-trusion forming,microstructure and properties of P/M superalloys was emphatically expounded.The evolution be-havior of non-metallic inclusions in P/M superalloys during hot extrusion was clarified.

关 键 词：粉末高温合金 热挤压 挤压比 挤压速度 挤压温度 

分 类 号：TG376.2[金属学及工艺—金属压力加工]