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Research on Two Sintered Techniques of Nanometer WC-Co Powder

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Abstract:

This paper concerned with SPS (spark plasma sintering), hot pressing of sinter nanometer WC-Co powder and discussed the density, hardness, microstructures and grain sizes of the alloys sintered by different styles. The results showed that SPS could lower the sintering temperature, increased the density and circumscribed the growth of grain size of WC. Hot pressing sintering could produce high density alloys and play well on the grain growth, but its sintering temperature and sintering time were larger than SPS. Besides, the hardness of the sintered cemented alloys that was dependent on the grain size and densification could also be improved by SPS and hot pressing.

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Periodical:

Materials Science Forum (Volumes 534-536)

Pages:

593-596

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.534-536.593

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Online since:

January 2007

Authors:

Lan Sun, Cheng Chang Jia, Hua Tang

Keywords:

Hot-Pressing, Sintering, Spark Plasma Sintering (SPS), WC-Co Carbide

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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