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용탕단조법으로 제조된 니켈코팅흑연화이버 강화 금속복합재료의 미세조직에 대한 가압력의 영향
유용문(Yong Mun Ryu),윤의박(Eui Park Yoon) 한국주조공학회 1999 한국주조공학회지 Vol.19 No.1
N/A In order to increase the wettability between ceramic fiber and metal matrix, ceramic fibers are generally coated with metal. In this paper, we examined how the nickel layers coated on continuous graphite fiber to increase the wettability are affected with variation applied pressure. In order to examine the behavior of nickel layer with variation of applied pressure, microstructure and nickel mapping of composites were investigated with SEM, and tensile properties of the composite were tested with UTM. As the applied pressure increases, nickel layers were resolved into the aluminum matrix and ultimate tensile strength of the composite decreased. (Received October 22, 1998)