Research on Two Sintered Techniques of Nanometer WC-Co Powder

Abstract:

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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.

Info:

Periodical:

Materials Science Forum (Volumes 534-536)

Edited by:

Duk Yong Yoon, Suk-Joong L. Kang, Kwang Yong Eun and Yong-Seog Kim

Pages:

593-596

DOI:

10.4028/www.scientific.net/MSF.534-536.593

Citation:

L. Sun et al., "Research on Two Sintered Techniques of Nanometer WC-Co Powder", Materials Science Forum, Vols. 534-536, pp. 593-596, 2007

Online since:

January 2007

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Price:

$35.00

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