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Fabrication and microstructure of nano-SiC/Ni composite coatings on diamond surface via electro-co-deposition

Zhengxin Li and Changjiang Xiao


Nano-SiC/Ni composite coatings on diamond surface were fabricated using an electro-co-deposition method. SiC nanoparticles with an average size of 50 nm were suspended in the plating solution and co-deposited together with Ni on diamond surface. The weight ratio (wt.%) of nano-SiC/Ni composite coating to the diamond was controlled by varying deposition time. The microstructure, composition and compression strength of an as-deposited single diamond particle was investigated. The results reveal that nano-SiC/Ni composite coating possesses a smoother, finer and denser microstructure as compared to a pure Ni coating. Moreover, the compression strength of an as-deposited single diamond particle gradually enhances with increasing nano-SiC/Ni wt.%.

* Correspondence address, Dr. Changjiang Xiao, Department of Materials Science and Engineering, Henan University of Technology, Zhengzhou, 450001, PR China, Tel./Fax: +86 – 371 – 67758729, E-mail:


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Received: 2014-07-19
Accepted: 2014-12-08
Published Online: 2015-04-23
Published in Print: 2015-04-14

© 2015, Carl Hanser Verlag, München