后续热处理对激光3D打印GH4099合金微观组织和高温力学性能的影响

赵亚楠, 郭乾应, 刘晨曦, 马宗青, 刘永长

Effects of Subsequent Heat Treatment on Microstructure and High-Temperature Mechanical Properties of Laser 3D Printed GH4099 Alloy

ZHAO Yanan, GUO Qianying, LIU Chenxi, MA Zongqing, LIU Yongchang

图4 LPBF制备GH4099合金样品经SA1-750、SA1-800、SA1-850和SA2-750热处理后γ'相的微观组织

Fig.4 Microstructures of γ' phase in the GH4099 alloy samples fabricated by LPBF after SA1-750 (a), SA1-800 (b), SA1-850 (c), and SA2-750 (d) heat treatments