铸造镍基高温合金重熔工艺的研究进展  

Research Progress in RemeltingProcess of CastingNickel-Based Superalloy

作　　者：逯红果 马中钢 李化坤 王光华 李道乾 殷凤仕[1] LU Hongguo;MA Zhonggang;LI Huakun;WANG Guanghua;LI Daoqian;YIN Fengshi(School of Mechanical Engineering,Shandong University of Technology,Zibo 255049,China;Shandong Ruitai New Material Technology Co.,Ltd.,Zibo 256100,China)

机构地区：[1]山东理工大学机械工程学院,山东淄博255049 [2]山东瑞泰新材料科技有限公司,山东淄博256100

出　　处：《热加工工艺》2023年第13期1-5,11,共6页Hot Working Technology

基　　金：国家重点研发计划项目(2018YFB1106600);山东省重点研发计划(重大科技创新工程)项目(2019JZZY010332);淄博市“双十”项目(2019SS090001)。

摘　　要：重熔浇注工艺对浇注试棒的力学性能影响较大。本文归纳了重熔浇注工艺过程中不同熔体处理温度、时间和浇注温度、模壳温度、砂箱温度及浇注试棒形状对浇注试棒显微组织的影响,并分析了原因。对未来重熔铸造镍基合金浇注试棒的重点关注方向进行了展望。The remelting pouring process has a greater impact on the mechanical properties of the pouring test bar.The influences of different melt processing temperatures,time and pouring temperature,mold shell temperature,sand box temperature and pouring test bar shape on the microstructure of the pouring test bar during the remelting pouring process were summarized,and the reasons were analyzed.The key focus of remelting casting nickel-based alloy pouring test bars in the futurewas prospected.

关 键 词：铸造镍基高温合金 初生MC型碳化物 晶粒尺寸 

分 类 号：TG243[金属学及工艺—铸造] TG146.15[一般工业技术—材料科学与工程]