GH3230合金薄板填丝钨极氩弧焊接头的组织稳定性

张天昊, 鞠泉, 蒙肇斌, 王浩, 胡本芙

Microstructural Stability in Tungsten Argon-Arc Welded Joint of GH3230 Superalloy Plate

ZHANG Tianhao, JU Quan, MENG Zhaobin, WANG Hao, HU Benfu

图2 GH3230合金填丝钨极氩弧焊接薄板经1000 ℃热暴露2000 h后焊缝和热影响区显微组织的OM像和SEM像

Fig.2 OM (a, c) and SEM (b, d) images of weld zone (a, b) and heat affected zone (c, d) of GH3230 alloy weld plate after thermal exposure at 1000 oC for 2000 h