Abstract
A kind of phosphate bonding agent was prepared with H3PO4 and Al(OH)3 as the main raw materials in this paper. Phosphate-metal matrix ceramic coating was prepared on the surface of Q235 steel by using the technology of ambient cure with phosphate bonding agent as main body and CuO and SiC as fillers. The influence of the addition of CuO on curing temperature was studied. Meanwhile, the influence of SiC particle size and content on the abrasion resistance of the coating was studied. The result showed that the amount of friction and wear of phosphate-metal matrix ceramic coating was 5.5mg, when the the molar ratio of P and Al was 3:1.3, SiC particle size was D50=18μm, and its particle content was 40%, 20%wt CuO was added.
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