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J Chin Soc Corr Pro  1996, Vol. 16 Issue (2): 145-148    DOI:
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ELECTRODEPOSITION OF Cr-P ALLOYS AND THEIR CORROSION ASSISTANCE
Gao Xuefeng;Zhu Rizhang(Beijing University of Science and Tchnolony)Masamichi Kowaka(C. Uyemuru Industry Co.; Ltd. OSAKA; JAPAN )
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Abstract  Cr-P alloys were deposited from the bath for chormium (Ⅲ) electrodeposition containing NaH2PO2.The effects of some electroplating parameters on P content in the obtained deposits were evaluated. The P content increased with decreasing cathodic current density and with increasing H2PO concentration in the bath. Tile anodic polarization behavior of the deposits in 0.5 mol/L H2SO4 and 1 mol/L HCl was examined. When tile P content exceeded 5 wt%, the deposited alloy exhibited excellent corrosion resistance and the passive current density was only 10-50μA/cm2.
Key words:  Electrodeposition      Chromium alloy      Corrosion resistance     
Received:  25 April 1996     
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Gao Xuefeng;Zhu Rizhang(Beijing University of Science and Tchnolony)Masamichi Kowaka(C. Uyemuru Industry Co.; Ltd. OSAKA; JAPAN ). ELECTRODEPOSITION OF Cr-P ALLOYS AND THEIR CORROSION ASSISTANCE. J Chin Soc Corr Pro, 1996, 16(2): 145-148.

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https://www.jcscp.org/EN/     OR     https://www.jcscp.org/EN/Y1996/V16/I2/145

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