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WC-(Ni-Cr-Fe) 계 초경재료의 기계적 성질에 관한 연구
유영성,김도연,은광용 대한금속재료학회(대한금속학회) 1987 대한금속·재료학회지 Vol.25 No.1
The effect of the (Cr-Fe) addition in WC-Ni alloy on microstructure, hardness and toughness has been investigated. The specimens of WC-15 (Ni-(Cr-Fe)) with various (Cr-Fe) contents have been prepared by infiltration method. The hardness increased and the toughness decreased with (Cr-Fe) content, and the effect appeared to be dependent mainly on the resultant fine grain size as well as the hardening of matrix alloy phase. The microstructures of the alloy containing more than 20% of (Cr-Fe) in binder showed the complex carbides.