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Home  >  Journal list  >  Journal of the Ceramic Society of Japan  >  Vol.122  No.1426 (June) (2014)  >  pp.517-519

Journal of the Ceramic Society of Japan
<<Previous article Vol.122  No.1426 (June) (2014)   pp.517 - 519 Next article>>

Fabrication and properties of ZrB2–SiC and ZrC–SiC composites by spark plasma sintering

Yan MA1), Qinggang LI1) 2), Zhi WANG1), Guopu SHI1), Luhao LIU1), Chao WU1)
1) School of Material Science and Engineering, University of Jinan 2) Shandong Provincial Key Laboratory of Preparation and Measurement of Building Materials

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.


Keyword:
Spark plasma sintering, Mechanical properties, ZrB2–SiC, ZrC–SiC

Received: January 08, 2014
Accepted: April 01, 2014 , Published online: June 01, 2014
Copyright © 2014 The Ceramic Society of Japan

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