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A galvanic-chemical method for preparing diamond containing coatings

Sataev, M. S., Koshkarbaeva, S. T., Perni, Stefano, Nauryzova, S. Z. and Prokopovich, Polina 2015. A galvanic-chemical method for preparing diamond containing coatings. Colloids and Surfaces A: Physicochemical and Engineering Aspects 480 , pp. 384-389. 10.1016/j.colsurfa.2014.09.014

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Abstract

The formation of a diamonds containing coating on the surface of tools is a way of increasing hardness and wearability of the working surfaces. We have developed a new process to prepare these composite coating. The surface is initially wetted with copper sulphate solution and then diamonds powder is sprayed onto the surface. Upon subsequent exposure to gaseous phosphine, a surface layer of solid copper phosphide, firmly holding the diamond particles, is formed. Copper phosphide has sufficient electrical conductivity, allowing conventional metal electro-plating. The effect of process parameters such as duration of the exposure to phosphine gas, concentration of the CuSO4 solution and thickness of the electro-deposited copper layer have been investigated and the surface roughness of the prepared samples increased about 50 BHN (Brinell hardness number).

Item Type: Article
Date Type: Publication
Status: Published
Schools: Pharmacy
Subjects: R Medicine > RS Pharmacy and materia medica
Additional Information: Available online 21 September 2014 PDF uploaded in accordance with publisher's policy at http://www.sherpa.ac.uk/romeo/issn/0927-7757/ (accessed 20/8/15)
Publisher: Elsevier
ISSN: 0927-7757
Date of First Compliant Deposit: 30 March 2016
Date of Acceptance: 11 September 2014
Last Modified: 14 Nov 2017 01:10
URI: http://orca.cf.ac.uk/id/eprint/75667

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