EFFECT OF PROCESS OF ELECTROLESS PLATING ON INVESTMENT CASTING ZA93 MAGNESIUM ALLOY

J Chin Soc Corr Pro

2012, Vol. 32

Issue (2): 90-94 DOI:

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EFFECT OF PROCESS OF ELECTROLESS PLATING ON INVESTMENT CASTING ZA93 MAGNESIUM ALLOY

XIAO Wei^1,2, SHAN Dayong¹, CHEN Rongshi¹

1. State Key Laboratory for Corrosion and Protection, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016
2. College of Materials Science and Engineering, Shenyang Ligong University, Shenyang 110168

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Abstract The effects of the concentration of iodine ion, ammonium bifluoride and lactic acid on the stability and deposition rate of Ni plating solution have been investigated using investment casting ZA93 alloy as base material. The composition of the plating solution was also optimized. SEM, EDX and XRD have been applied to analyze the microstructure, phase identification, and the elements distribution of the coating. The results showed that the ammonium bifluoride and iodine ion increased both the stability of the plating solution and the deposition rate, but the effect of lactic acid on the plating solution was more complicated. Compared to the former one, the optimized plating solution showed higher deposition rate and was much more stable. The coating was homogeneous, compact with good adhesion to the base and the structure was amorphous.

Key words: ZA93 magnesium alloy investment casting electroless plating stability deposition rate

Received: 06 January 2011

ZTFLH:

TG146.22

Corresponding Authors: CHEN Rongshi E-mail: rschen@imr.ac.cn

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XIAO Wei, SHAN Dayong, CHEN Rongshi. EFFECT OF PROCESS OF ELECTROLESS PLATING ON INVESTMENT CASTING ZA93 MAGNESIUM ALLOY. J Chin Soc Corr Pro, 2012, 32(2): 90-94.

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https://www.jcscp.org/EN/ OR https://www.jcscp.org/EN/Y2012/V32/I2/90

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