Publisher： Trans Tech Publications
E-ISSN： 1662-7482|2015|723|848-851
ISSN： 1660-9336
Source： Applied Mechanics and Materials, Vol.2015, Iss.723, 2015-03, pp. : 848-851
Disclaimer: Any content in publications that violate the sovereignty, the constitution or regulations of the PRC is not accepted or approved by CNPIEC.
Abstract
Amorphous powders of Fe-10.7%W-4.5%Cr-4.1%B-3.6%Ni-3.5%Si-2.1%Mo-1.2%C-0.7%Mn were sprayed under six sets of spraying parameters using high velocity oxy-fuel spraying. Phase structure of coatings as well as microstructure is found to be strongly affected by spraying parameters. Sliding wear resistance of amorphous coatings benefits significantly from less porosity and oxides. In addition, evidence correlation is found between amorphous content and wear resistance of coatings. Coating with the best wear resistance exhibits the wear rate of only 2.84×10-6 mm3/(N·m), equals 1.70% and 217% of cast 316L stainless and HVOF-sprayed Cr3C2-NiCr coating respectively.
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