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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.
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Received: 25 April 1996
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Cite this article:
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.
URL:
https://www.jcscp.org/EN/ OR https://www.jcscp.org/EN/Y1996/V16/I2/145
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1HashimtoK,KobayashiK,AsamiK,MasumotoT.In:Proc.8thInt.Cong.MetallicCorrosion,DECHEAIA,Frankfurt;1981,1:702GuilingerTR,VoytkoJEIn:ProcAESF’88,LosAngeles;1988.1223降屋久,田边良美.日本金属学会志,1982,46:10424增井宽二.森永浩太郎,丸野重雄,川口健.(日)金属表面技术,1985,36:885BrennerAElectodepositionofalloys,NewYork&London:AcademicPress,1963.11,2576虞觉奇,易文质,陈邦迪,陈宏鉴.二元合金状态图集,上海:上海科技出版社,1987 |
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