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Microhardness of Electroless Composite Coating of Ni-P with SiC Nano-Particles
Abstract:
A central composite rotatable orthogonal experimental design of response surface methodology (RSM) was employed to find the optimum parameters combination of microhardness of electroless composite coating of Ni-P with SiC nano-particles. Microhardness of electroless composite coating was used as response function, and three parameters, namely, coating liquid temperature, PH, the concentration of SiC nano-particles were selected as influence factors. Nano-particles were dispersed using ultrasonic. The effects of every factor on response function were analyzed, and the optimum combination for three parameters were obtained, which one was 84~86°C of coating liquid temperature, 5.3~5.7 of PH and 4.5 g/L of concentration of SiC nano-particles. The optimum result was microhardness of electroless composite coating more than 1000 HV after heat treatment.
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223-226
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February 2013
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