Characteristics of Laser Cladded Nickel-Based Chromic Carbide Composite Coatings

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To improve the surface hardness and wear resistance of metal parts. Ni-based chromic carbide composite coating was prepared on the carbon steel (0.45 mass% C) substrates by laser cladding. Microstructure and wear properties of composite coatings were investigated by SEM, EDS, XRD, Vickers micro-hardness tester and wear machine. The results show that good metallurgical bonding between the Ni-based chromic carbide composite coating and carbon steel substrate. Micro-hardness of Ni-based Cr3C2 composite coating along the layer depth presents an evident stepladder distribution. The average micro-hardness of the laser clad coating is about 950 HV. The result of wear experiment shows that Ni-based Cr3C2 composite coating processes good wear resistance.

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Periodical:

Edited by:

Jingwei Zhao

Pages:

340-344

DOI:

10.4028/www.scientific.net/MSF.893.340

Citation:

S. Dai et al., "Characteristics of Laser Cladded Nickel-Based Chromic Carbide Composite Coatings", Materials Science Forum, Vol. 893, pp. 340-344, 2017

Online since:

March 2017

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$38.00

* - Corresponding Author

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