高温合金单晶铸件中条纹晶的形成机制
马德新1,2,王富3,徐维台1,徐文梁3,赵运兴1()
Formation of Sliver Defects in Single CrystalCastings of Superalloys
MA Dexin1,2,WANG Fu3,XU Weitai1,XU Wenliang3,ZHAO Yunxing1()

图8. 夹杂嵌入枝晶引起条纹晶的示意图

Fig.8. Schematic of sliver formation mechanism B, showing the oxide insertion into dendrite trunk (a), the stress concentration (b) and crack at the oxide (c)Color online