Affiliation:
1. Changchun University of Technology
Abstract
Eelectrodeposited black Cr-C nano-composite coating was prepared on the steel substrate and the effects of current density on the properties of the composite coating were studied in the present paper. The surface morphology and phase composition of the composite coatings were analyzed by means of scanning electronic microscopy (SEM) and X-ray diffractometer (XRD). Microhardness was determined by micrometer and the wear resistance of the coatings was evaluated by CETR using a universal materials tester (UMT). The results showed that formed under the condition of current density of 100A/dm2, temperature of 15°C, and the optimum particle content in electrolyte was 10g/l. The maximum microhardness of black Cr-C nano-composite coating was 10.8 Gpa, simutaneously, the wearing resistance of the coating improved significantly compared to the steel substrate.
Publisher
Trans Tech Publications, Ltd.
Subject
Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science
Reference13 articles.
1. KIM S K, YOO H J, Formation of bilayer Ni-SiC composite coatings by electordeposition [J]. Surface and Coatings Technology, 1998, 108-109: 564-569.
2. HONG Q, YAO G, CHEN S, Development of iron matrix antifriction composite coatings[J]. Metal Finishing, 1998, 96 (10): 3-8.
3. Jiang Bin, Xu binshi and Dong Shiyun, etc. Study status of nano composite coating [J], Materials Protection, 2002, 6: 1-3.
4. LEKKA M, KOULOUMBI N, GAJO M, et al. Corrosion and wear resistant electrodeposited composite coatings [J]. Electrochemica Acta, 2005, 50: 4551-4556.
5. HOU K H, GER M D, WANG L M, et al. The wear behaviour of electro-codeposited Ni-SiC composites [J]. Wear, 2002, 253: 994.
Cited by
1 articles.
订阅此论文施引文献
订阅此论文施引文献，注册后可以免费订阅5篇论文的施引文献，订阅后可以查看论文全部施引文献