GH4151难变形高温合金的拉伸行为及其断裂失效机制

崔天亮, 谢兴飞, 温晓灿, 吕少敏, 曲敬龙, 杜金辉

Tensile Behavior and Fracture Mechanism of Hard-to-Deform GH4151 Superalloy

CUI Tianliang, XIE Xingfei, WEN Xiaocan, LYU Shaomin, QU Jinglong, DU Jinhui

图5 950 ℃拉伸后GH4151合金断口横截面的OM和SEM像

Fig.5 Cross-sectional OM (a) and low (b) and high (c) magnified SEM images of fracture morphologies of GH4151 alloy after tensile testing at 950 oC