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(
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Formation of Sliver Defects in Single CrystalCastings of Superalloys
MA Dexin1,2,WANG Fu3,XU Weitai1,XU Wenliang3,ZHAO Yunxing1()
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图2. 叶片上的条纹晶缺陷及其OM放大图和SEM像
Fig.2. The sliver defect (a)，OM images (b~d) and SEM image (e) showing the microstructure at its origin
