热处理对粉末冶金Inconel 718合金TIG焊接的组织和性能的影响

赵云梅, 赵洪泽, 吴杰, 田晓生, 徐磊

Effect of Heat Treatment on Microstructure and Properties of TIG Welded Joints of Powder Metallurgy Inconel 718 Alloy

ZHAO Yunmei, ZHAO Hongze, WU Jie, TIAN Xiaosheng, XU Lei

图11 TIG焊接接头不同热处理态在650℃的拉伸断口

Fig.11 Tensile fracture of TIG welding joints after different heat treatment at 650℃ (a) as welded; (b) solution and aging; (c) homogenization (d) hot isostatic pressing