Inconel 740H焊接接头不同温度蠕变后 γ′贫化区的形成及其对力学性能的影响

周任远, 朱丽慧

Formation of γ′-Denuded Zone and Its Effect on the Mechanical Properties of Inconel 740H Welded Joint After Creep at Different Temperatures

ZHOU Renyuan, ZHU Lihui

图4 蠕变前和不同温度蠕变后IN 740H焊接接头的OM像

Fig.4 OM images of IN 740H welded joints before (a) and after creep (b-g) at different temperatures (a) before creep (b) specimen 700-1 (c) specimen 700-2 (d) specimen 750-1(e) specimen 750-2 (f) specimen 800-1 (g) specimen 800-2