激光选区熔化GH5188合金组织和性能研究  

Study on microstructure and properties of Gh5188 alloy prepared by selective laser melting

作　　者：张元伟 苏庆 郎连林 陈建 李巍 刘雅辉[3] 王俊[3] ZHANG Yuanwei;SU Qing;LANG Lianlin;CHEN Jian;LI Wei;LIU Yahui;WANG Jun(AECC Guizhou Liyang Aviation Power Co.,Ltd.,Guiyang 550000,Guizhou,China;A military representative office of the 93147 unit of the Chinese People's Liberation Army,Guiyang 550000,Guizhou,China;School of Materials Science and Engineering,Shanghai Jiao Tong University,Shanghai 200240,China)

机构地区：[1]中国航发贵州黎阳航空动力有限公司,贵州贵阳550000 [2]中国人民解放军93147部队某军事代表室,贵州贵阳550000 [3]上海交通大学材料科学与工程学院,上海200240

出　　处：《模具技术》2023年第6期61-67,共7页Die and Mould Technology

摘　　要：针对GH5188高温合金支板的激光选区熔化制造工艺,设计了不同的增材制造工艺方案,对比分析了不同的增材制造工艺参数和热处理工艺参数对产品的微观组织和力学性能的影响,总结了GH5188高温合金支板的激光选区熔化工艺设计要点。最终获得了满足要求的激光选区熔化GH5188高温合金支板零件。According to the selective laser melting(SLM)process of GH5188 superalloy support plate,different additive manufacturing process plans are designed,and the influences of different additive manufacturing process parameters and heat treatment process parameters on the microstructure and mechanical properties of products are compared and analyzed.The key points of SLM process design of GH5188 superalloy support plate are summarized.Finally,the SLM GH5188 superalloy support plates that meet the requirements were obtained.

关 键 词：GH5188高温合金 支板 激光选区熔化 增材制造 工艺优化 

分 类 号：TG249[金属学及工艺—铸造]