Journal of Dalian Maritime University >
2015 , Vol. 41 >Issue 3: 104 - 108
DOI: https://doi.org/10.16411/j.cnki.issn1006-7736.2015.03.019
Preparation and properties of iron-based SiC composite coating
Received date: 2014-09-11
Revised date: 2014-10-30
Online published: 2014-11-03
To improve the hardness and wear resistance of normal iron plating coating, and expend its range of application, the composite iron plating coating was developed and studied. The SiC powder (100~200 nm) was produced by using ball-milling method, then mixed in the iron plating bath to produce composite coatings through electro-deposition process. The hardness, morphology, chemical composition and tribology performance were studied by using micro-hardness tester, scanning electron microscope (SEM), energy disperse spectroscopy (EDS) and friction wear unit respectively. Results show that the micro-hardness of the composite coating is higher than classic iron plating, and reached the peak at a voltage 6 V; the surface micro-cracks appear as net structure on the surface and as short strip structure on the cross profile. The micro-nano SiC particles can prevent the propagation of the micro-cracks, reduce the friction coefficient and improve the wear-resistance properties of the coating.
Key words： SiC; composite plating coating; micro-hardnes; morphology; tribology performance
ZHAO En-rui , ZHU Zhi-jie , DONG Wen-zhong , FU Jing-guo , ZHU Xin-he . Preparation and properties of iron-based SiC composite coating[J]. Journal of Dalian Maritime University, 2015 , 41(3) : 104 -108 . DOI: 10.16411/j.cnki.issn1006-7736.2015.03.019
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