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4. 叶片上起源于氧化夹杂的条纹晶
Fig.4. Macroscopic photo of a sliver defect at blade surface (a) and magnifications (b, c) showing oxide as the sliver origin
