Fabrication of TiB2/TiC Duplex Particles Reinforced Carbon Steel Matrix Surface Composite

Chang Qing Guo; Xiao Yan Hua; Ji Wei Han

doi:10.4028/www.scientific.net/AMR.1052.40

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1052Fabrication of TiB2/TiC Duplex Particles...

Fabrication of TiB₂/TiC Duplex Particles Reinforced Carbon Steel Matrix Surface Composite

Abstract:

A process that combines a vacuum expandable pattern casting V-EPC with self-propagation high-temperature synthesis SHS of TiB₂/TiC particles for the fabrication of the TiB₂+TiC duplex particulates reinforced carbon steel matrix surface composite are introduced in this paper. The effect of ferrotitanium addition in the SHS reactants on the macro and micro structures as well as hardness is investigated. It has been found that with the increase of ferrotitanium addition, the concentration of synthesized particles in the layer gradually increases to maximum, then decreases. The hardness gradually decreases from the surface compound layer to core and the maximum hardness of 1682HV is obtained on the composite surface.

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Periodical:

Advanced Materials Research (Volume 1052)

Pages:

40-44

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1052.40

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Online since:

October 2014

Authors:

Chang Qing Guo, Xiao Yan Hua, Ji Wei Han

Keywords:

Composite, Microstructure, TiB₂/ TiC Particles, V-EPC

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