Laser Cladding of Nano-silicon Carbide on 42SiMn
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Graphical Abstract
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Abstract
The nano-silicon carbide ceramic coating is fabricated on the surface of 42SiMn by means of laser cladding. The elements, phase and microstructure of the coating are studied under SEM and X-ray diffractometer. It is indicated that quality nano-structural ceramic coating can be formed with laser cladding provided that proper technical parameter is followed, but the crystal size of the silicon carbide phase of the coating becomes larger and some powder is decomposed to nano-structural silicon and nano-structural carbon.
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