Co-base refractory alloy coating was prepared on carbon steel substrate by cold spray technology; microstructure and nano-mechenical property were examined by scanning electron microscope (SEM) and nano indenter individually. The results showed that about 250 μm Co-base refractory alloy coating could be deposited on steel substrate by cold spray technique, interface between coating and substrate was combined well, and the refractory alloy particle had a significant plastic deformation during deposition process; mixing Ni powders into Co-base refractory alloy powders could increase the density and decrease the nano-hardness of coating, the nano-hardness and elastic modulus of refractory alloy coating was higher than 6 GPa and 160~GPa, respectively.
LIANG Yong-Li
. Microstructure and nano-mechanical property of cold spray Co-base refractory alloy coating[J]. Acta Metallurgica Sinica (English Letters), 2011
, 24(3)
: 190
-194
.
DOI: 10.11890/1006-7191-113-190
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