Journal of the Ceramic Society of Japan
Online ISSN : 1348-6535
Print ISSN : 1882-0743
ISSN-L : 1348-6535
Regular Issue: Papers
Fabrication and properties of ZrB2–SiC and ZrC–SiC composites by spark plasma sintering
Yan MAQinggang LIZhi WANGGuopu SHILuhao LIUChao WU
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2014 Volume 122 Issue 1426 Pages 517-519

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Abstract

ZrB2–SiC and ZrC–SiC composites were fabricated by spark plasma sintering at 1800°C for 5 min under a pressure of 40 MPa with ZrB2 powder, ZrC powder and SiC powder as the starting materials, respectively. The phase compositions, microstructures, and mechanical properties were investigated. The results show ZrB2–SiC composite is denser than ZrC–SiC composite. The relative density, an apparent porosity, and the bending strength of ZrB2–SiC composite are 97.9%, 1.08%, and 310 MPa, respectively, whereas those of ZrC–SiC composite are 89.7%, 1.20%, and 257 MPa.

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© 2014 The Ceramic Society of Japan
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