Determination of Sintering Temperature of Nanocomposite WC-Co

Abstract:

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The need for WC-Co with improved properties, particularly increased hardness and strength combined with increased ductility and toughness, has focused attention on the development of grades with finer and finer-grained powders and cemented carbides. The aim of this study is to determine the sintering temperature of nanocomposite WC-6Co (wt.%) sample by using an optical microscope under high temperature and a DSC / TG apparatus. The WC-Co sample was prepared from nanocomposite powder by hot-press-sintering at the determined sintering temperature. The phase structure of the powder and sintered samples was investigated. The SEM imaging was performed on fracture surfaces of sintered samples. The density and the HRA of sintered samples were also measured.

Info:

Periodical:

Key Engineering Materials (Volumes 280-283)

Edited by:

Wei Pan, Jianghong Gong, Chang-Chun Ge and Jing-Feng Li

Pages:

1485-1488

DOI:

10.4028/www.scientific.net/KEM.280-283.1485

Citation:

G. Q. Shao et al., "Determination of Sintering Temperature of Nanocomposite WC-Co", Key Engineering Materials, Vols. 280-283, pp. 1485-1488, 2005

Online since:

February 2007

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Price:

$35.00

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