Mechanical Properties of Binder-free WC Fabricated by PCS Process

Koji Shimojima; Hiroyuki Hosokawa; Mamoru Mabuchi; Masaru Kawakami; Syoken Sano; Osamu Terada; Nobuaki Asada; Yoshiharu Yamamoto

doi:10.2497/jjspm.50.844

Journal of the Japan Society of Powder and Powder Metallurgy

Online ISSN : 1880-9014
Print ISSN : 0532-8799
ISSN-L : 0532-8799

Mechanical Properties of Binder-free WC Fabricated by PCS Process

Koji Shimojima, Hiroyuki Hosokawa, Mamoru Mabuchi, Masaru Kawakami, Syoken Sano, Osamu Terada, Nobuaki Asada, Yoshiharu Yamamoto

Author information

Keywords: WC, Binder-free, PCS, Ultra fine, WC powder

JOURNAL OPEN ACCESS

2003 Volume 50 Issue 11 Pages 844-847

DOI https://doi.org/10.2497/jjspm.50.844

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Abstract

Binder-free WC was fabricated at the sintering temperature of 1873 K-2023 K by pulsed current sintering (PCS) process, and the density, grain size, hardness and toughness of them were investigated. As a result, the WC sintered at 1973 K showed a very high hardness more than HV10 2700 because it was almost fully dense and no singnificant grain growth occurred during sintering process.

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https://creativecommons.org/licenses/by-nc-nd/4.0/deed.ja

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