A Novel Approach to Prepare Ni-Coated TiB2 Cermet

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A novel approach was developed to prepare Ni-coated TiB2 cermet. Fine Ni particles with mean particle size of about 80 nm were impacted onto coarse TiB2 particles having a mean size of about 5 μm to form Ni-coated TiB2 powder by Hybridization. The conventional blended TiB2-Ni powder, as well as Ni-coated TiB2 powder, was sintered by hot pressing (HP) method and Spark Plasma Sintering (SPS) method. Compared with the conventional blended TiB2-Ni cermet, particle features and mechanical properties of the Ni-coated TiB2 cermet were investigated. The microstructure analysis reveals that the thickness of Ni film is around 4 nm. It is concluded that the mechanical properties of Ni-coated TiB2 cermet are superior to the blended TiB2-Ni cermet.

Info:

Periodical:

Key Engineering Materials (Volumes 336-338)

Edited by:

Wei Pan and Jianghong Gong

Pages:

1517-1520

DOI:

10.4028/www.scientific.net/KEM.336-338.1517

Citation:

Z. Fang et al., "A Novel Approach to Prepare Ni-Coated TiB2 Cermet", Key Engineering Materials, Vols. 336-338, pp. 1517-1520, 2007

Online since:

April 2007

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Price:

$35.00

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