2, and an ascorbic-acid concentration of 3 g/L, both the deposition rate and the hardness of the coating are high. In addition, both the surface quality and the corrosion resistance of the coating are good."/>

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Effect of process parameters andascorbic acid on the electrodeposition NiFeW alloys
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State Key Laboratory of Metastable Materials Science and Technology,Yanshan University,State Key Laboratory of Metastable Materials Science and Technology,Yanshan University,State Key Laboratory of Metastable Materials Science and Technology,Yanshan University,State Key Laboratory of Metastable Materials Science and Technology,Yanshan University,Graduate School of Engineering,Hiroshima University,-- Kagamiyama,Higashi-Hiroshima,Japan -,Graduate School of Engineering,Hiroshima University,-- Kagamiyama,Higashi-Hiroshima,Japan -,Graduate School of Engineering,Hiroshima University,-- Kagamiyama,Higashi-Hiroshima,Japan,Graduate School of Engineering,Hiroshima University,-- Kagamiyama,Higashi-Hiroshima,Japan -

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    Abstract:

    In order to obtain NiFeW alloy coating with good performance, we studied the influence of pH value, temperature, current density, and the concentration of ascorbic acid stabilizer on the composition, deposition rate, and microhardness of NiFeW alloy coating. The results show that 1) the pH value of plating bath largely influences the concentration of W and the deposition rate of coating; 2) the temperature of plating bath largely influences the deposition rate, composition, and microhardness of coating; and 3) upon increasing the concentration of ascorbic acid, the deposition rate of coating decreases whereas the surface morphology of coating becomes more rough. With a pH of plating bath equal to 4, a temperature of 60 ℃, a current density of 4 A/dm2, and an ascorbic-acid concentration of 3 g/L, both the deposition rate and the hardness of the coating are high. In addition, both the surface quality and the corrosion resistance of the coating are good.

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[Zhao Lili, Yu Jinku, Sun Hui, Wang Yuehua, Yu Meiqi, Luo Hongliang, Xu Zhefeng, Kazuhiro matsugi. Effect of process parameters andascorbic acid on the electrodeposition NiFeW alloys[J]. Rare Metal Materials and Engineering,2018,47(2):435~441.]
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History
  • Received:February 15,2016
  • Revised:July 25,2016
  • Adopted:August 18,2016
  • Online: March 15,2018
  • Published: