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- W2359883917 abstract "The fracture toughness K_(1c) of sintered two-phase WC-Co cemented carbides was studied by means of XRD, SEM, Palmqvist pressure mark test and magnetic analysis. The result shows that the change regularity of K_(1c) of two-phase WC-Co alloy bears a simple positive-going relation to that of H_(sc) when alloy carbon content varies: H_(sc)= 7.652-0.33041g() - 7.356X_(Co) - 120.OX_c, K_(1c) = 17.39 + 26.05lg(L_(wc)) + 22.29H_(sc) = 620.8 - 580.1X_(Co) - 9462X_c- 56.57H_(sc). The K_(1c)(MPam~(1/2)) of sintered two-phase WC-Co alloy can be evaluated nondestructively by means of above formulas and by H_(sc)(A·m~2·kg~(-1)) when the carbon content X_c(wt.), the true cobalt content X_(Co)(wt.) in alloy and the specific coercive force H_(sc)(A·m~2·kg~(-1)) were beforehand examined by the specific saturation magnetization 4πσ(A·m·~2kg~(-1)) and the coercive force H_c (A. m-1). An accuracy of 5%(relative error) for evaluating K1c of sintered two-phase WC-Co alloy can be obtained." @default.
- W2359883917 created "2016-06-24" @default.
- W2359883917 creator A5066884099 @default.
- W2359883917 date "2000-01-01" @default.
- W2359883917 modified "2023-09-25" @default.
- W2359883917 title "FRACTURE TOUGHNESS K_(1c), OF CEMENTED CANBIDES AND ITS NONDESTRUCTIVE EVALUATION" @default.
- W2359883917 hasPublicationYear "2000" @default.
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