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ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 1989, Vol. 10 ›› Issue (3): 167-172.
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Wang Zujing, Zhang Litong
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This paper systematically studied the interfacial actions between magnesian ceramic crucible and K3 superalloy melt in terms of interfacial wettability, penetration and chemical reaction. The results show that the interfacial action destroyed the surface layer structure of crucible, and caused the spalling of surface layer of crucible. The melt eroding acting on the matrix of crucible refractory destroyed the combination between grain and matrix, and caused the grain to spall. There were intense and complex reactions between crucible surface layer and melt.
Key words: ceramic crucible, superalloy. interfacial action, surface spalling
Wang Zujing;Zhang Litong. STUDY ON THE INTERRACIAL PHYSICOCHEMICAL ACTIONS BETWEEN ISOSTATIC COMPACTED MAGNESIAN CERAMIC CRUCIBLE AND SUPERALLOY MELT[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 1989, 10(3): 167-172.
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