Journal
MATERIALS
Volume 13, Issue 12, Pages -Publisher
MDPI
DOI: 10.3390/ma13122775
Keywords
Cr3C2-NiCr cermet powder; HVOF spraying; magnesium AZ31 alloy; microstructure; instrumented indentation; erosion resistance
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Funding
- Ministry of Science and Higher Education of Poland [DEC-2019/03/X/ST5/00830]
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In present work the Cr3C2-NiCr coating was deposited on magnesium alloy substrate with high velocity oxygen fuel (HVOF) spraying. The microstructure of the samples has been characterized by means of electron microscopy, SEM and phase composition analysis carried out. The porosity of coatings has been also estimated. Finally, tests of selected mechanical properties, such as instrumented indentation, abrasive erosion have been performed. The results of the investigations confirmed that dense, homogeneous and well-adhered Cr3C2-NiCr cermet coating is possible to obtain onto the magnesium AZ31 alloy substrate. Moreover, the coatings exhibit high resistance to erosion.
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