激光增材制造高温合金材料与工艺研究进展

孙晓峰, 宋巍, 梁静静, 李金国, 周亦胄

Research and Development in Materials and Processes of Superalloy Fabricated by Laser Additive Manufacturing

SUN Xiaofeng, SONG Wei, LIANG Jingjing, LI Jinguo, ZHOU Yizhou

图4 MTI公司为美国NASA旗下Johnson太空中心生产的Inconel 718部件[25]、SpaceX增材制造制备的猎鹰9号火箭氧化剂阀体[26]、以及AR1火箭发动机主喷油嘴[27]

Fig.4 Inconel 718 parts (a)[25], rocket oxidizer valve body (b)[26], and injector of rocket engine (c)[27]