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7 700 ℃蠕变断裂后IN 740H焊接接头的SEM像
Fig.7 SEM images of base (a, c) and weld (b, d) metals of IN 740H welded joints after creep rupture at 700 oC (Inset in Fig.7d shows the corresponding EDS analysis of the rectangle area in Fig.7d)
(a, b) specimen 700-1 (c, d) specimen 700-2