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Laser Cladding In Situ Tungsten Carbide Reinforced Ferrous Matrix Surface Composites

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Abstract:

Tungsten carbide cermets coating on carbon steel were fabricated by laser clad cooperation combustion synthesis method. The microstructure, phase, element distribution and microhardness have been analyzed with the aid of SEM, XRD, EDS, EPMA and microhardness-tester. It is shown that the coating consisted of WC, CW3, W2C, WCx, and FeNi3. The results of hardness measurement showed that the hardness was superior to substrate. Analyze the effect of different laser power and different laser scanning speed on the quality of the laser cladding surface, the surface quality gets better with the increasing of the laser power, and gets better with the reducing of the scanning speed.

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Info:

Periodical:

Advanced Materials Research (Volumes 189-193)

Pages:

771-776

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.189-193.771

Citation:

Cite this paper

Online since:

February 2011

Authors:

Ying Ying Chen, Wen Ge Li

Keywords:

Coating, Combustion Synthesis (CS), In Situ, Laser Cladding, Tungsten Carbide

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