Direct laser deposition and sliding wear of AISI316/WC10Ni and AISI316/Cr₃C₂ surfaces

Authors: Betts, J. C.; Mordike, B. L.; Fenech, M.; Grech, M.

Source: Surface Engineering, Volume 25, Number 2, February 2009 , pp. 167-176(10)

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Abstract:

The deposition of AISI316 stainless steel with tungsten carbide agglomerates and chromium carbide powder was carried out as part of an investigation aimed at determining the feasibility of applying localised reinforcement to stainless steel components. The codeposition of tungsten carbide agglomerates or sintered chromium carbide powder with AISI316 stainless steel powder was carried out to evaluate parameters and produce surfaces for pin on disc wear tests. The wear resistance of the surfaces was improved by the addition of both materials, with the tungsten carbide reinforcement resulting in a higher wear performance while the chromium carbide produced better surface consistency. The deposition and structure of these test pieces are described and the outcome of the tests carried out reported.

Keywords: CHROMIUM CARBIDE; WEAR RESISTANCE; STAINLESS STEEL; DIRECT LASER DEPOSITION; TUNGSTEN CARBIDE; METAL MATRIX COMPOSITES

Document Type: Research Article

DOI: http://dx.doi.org/10.1179/026708408X343582

Publication date: 2009-02-01

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