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1 GH4151合金拉伸样品取样位置、尺寸和表征位置示意图以及初始组织OM像

Fig.1 Schematics of sampling position (a), tensile sample size (unit: mm) (b), and material characterization positions (c) and OM image of the initial microstructure (d) of GH4151 alloy