Effect of Heat Treatment on Hardness of Electroless Ni-P Plating


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Hardness of electronless Ni-P alloy plating which have five different phosphorus content were investigated with HX-1000 type microscopic Vickers hardness tester, respectively. Phosphorus content of Ni-P platings were investigated by Quanta 200 type scanning electron microscope and Oxford Energy Disperse Spectroscopy Heat treatment temperature and time of the different platings were optimized and analysed by Uniform Design method, respectively. The results show that correlation consist between maximum hardness of the Ni-P alloy plating and heat treatment temperature, not heat treatment time under the experimental condition which the heat treatment time is between one hour and five hours, and maximal value of the plating hardness appears when the heat treatment temperature is 400-430 Celsius degree. Maximal hardness value of the electronless Ni-P alloy plating increases with increase of their phosphorus content under heat treatment condition.



Advanced Materials Research (Volumes 228-229)

Edited by:

Quanjie Gao






G. J. Liu et al., "Effect of Heat Treatment on Hardness of Electroless Ni-P Plating", Advanced Materials Research, Vols. 228-229, pp. 878-882, 2011

Online since:

April 2011




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