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Title: Electroless Ni-P-Cg(graphite)-SiC composite coating and its application onto piston rings of a small two stroke utility engine
Authors: Bahaaideen, Farhad B
Ripin, Zaidi Mohd
Ahmad, Zainal Arifin
Keywords: Composite coating;Electroless plating;Ni-P-Cg (graphite)-SiC coating
Issue Date: Nov-2010
Publisher: NISCAIR-CSIR, India
Abstract: This study presents electroless Ni-P-Cg (graphite)-SiC composite coating deposition onto piston rings of a small two stroke utility engine at 90°C under Cg (10 g/l) and SiC (8 g/l) concentration at agitation speeds of 160 rpm. Coating showed compact embedding of Cg and SiC particles in Ni matrix, uniformly and largely distributed in coating by mechanical stirring. Heat-treatment of coating increased microhardness due to crystallization of a hard Ni3P phase after heat treatment. An average surface roughness of a standard piston ring has improved from 1.095 µm to 0.900 µm, with a lower friction coefficient of coated
Page(s): 830-834
ISSN: 0975-1084 (Online); 0022-4456 (Print)
Appears in Collections:JSIR Vol.69(11) [November 2010]

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