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WC-toughened (Zr,W)C solid solution carbides

Author:
Kim, Jae-Hee   Park, Choongkwon   Ha, Daegwon   Kang, Shinhoo  


Journal:
Journal of Alloys and Compounds


Issue Date:
2015


Abstract(summary):

Abstract

Precipitates were induced by aging super-saturated (Zr,W)C solid solution carbides. The temperature dependence of their solubility was analyzed, as were their mechanical properties (hardness and toughness). The solubility limit of WC in the (Zr,W)C was 0.15 ± 0.03 mol fraction at 1500 °C and 0.27 ± 0.03 mol fraction at 1850 °C. The aged (Zr0.7W0.3)C ceramics were significantly strengthened up to 8 MPa m1/2 compared with the as-sintered (Zr0.7W0.3)C.



Page:
183-187


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