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8 GH3230合金填丝钨极氩弧焊接薄板经不同温度长期热暴露1500和2000 h后焊缝区与热影响区碳化物中合金元素含量变化

Fig.8 Changes of carbide alloying element content in weld zone (a, c) and heat affected zone (b, d) of GH3230 alloy weld plate after long-term thermal exposure at different temperatures for 1500 h (a, b) and 2000 h (c, d)