Abstract
Composite coatings consisting of SiC particles of 1, 5 and 10μm, codeposited into an electroless nickel matrix were produced, and their physical properties were sutdied. The hardness of the coatings increased with increasing SiC content, and remained about equal for coatings of the same SiC content irrespective of particle size. The coatings were found to have excellent wear resistance, but this decreased with increased in particle size, and with heat treatment at 673K. The coatings were also found to have excellent wear resistance when applied to parts of a wire twisting machine.
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