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Abstract:
Laser clad Ni60A/WC composite coating was fabricated on the surface of Q235 steel by using 6kW fiber laser. The morphology, composition, and microhardness of composite coating were studied by using scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS), X-ray diffraction (XRD), and micro-hardness tester. The results show that in the process of fiber laser cladding Ni60A/WC composite coating, residual WC particles partially dissolve and react with other elements to form eutectics, which exists in the shape of lumpy, strip and spherical. The main structures of laser cladding are -Ni, WC, W2C, M7C3, M23C6 etc. From the hardness analysis, the average hardness of the composite coating is four times of the substrate.
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MATERIALWISSENSCHAFT UND WERKSTOFFTECHNIK
ISSN: 0933-5137
Year: 2015
Issue: 12
Volume: 46
Page: 1177-1184
1 . 1 0 0
JCR@2022
ESI Discipline: MATERIALS SCIENCE;
ESI HC Threshold:319
JCR Journal Grade:4
CAS Journal Grade:4
Cited Count:
WoS CC Cited Count: 14
SCOPUS Cited Count: 14
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 5
Affiliated Colleges: