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Abstract:
Nonmagnetic metal-matrix composite (MMC) coatings were fabricated by laser cladding with direct injection of WC-FeNiCr powder onto the N1310 nonmagnetic steel matrix. Laser cladding was conducted using a Trumpf6000 CO2 laser. The WC-FeNiCr MMCs coating was characterized using scanning electron microscopy (SEM) and energy dispersive spectroscopy (EDS). The phase constitution in the laser cladding was identified by x-ray diffraction (XRD). No pores or macro-cracks have been found at the interface indicating good metallurgical bonding between the coating and the N1310 nonmagnetic steel matrix. Magnetic measurements were carried out with vibrating sample magnetometer (VSM) at room temperature. The MMC coating was nonmagnetic and with a relative permeability of 1.004. The XRD analysis confirmed the presence of an austenitic gamma-(Fe, Ni), Cr0.19Fe0.7Ni0.11, Fe3W3C, WC and W2C phases in the laser clad layer.
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Source :
NEW MATERIALS AND PROCESSES, PTS 1-3
ISSN: 1022-6680
Year: 2012
Volume: 476-478
Page: 2368-2373
Language: English
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 8
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