铟在铝基牺牲阳极溶解过程中的作用

中国腐蚀与防护学报

1987, Vol. 7

Issue (2): 115-120

研究报告

本期目录 | 过刊浏览

铟在铝基牺牲阳极溶解过程中的作用

孙鹤建;火时中

大连工学院;大连工学院

THE ROLE OF INDIUM IN THE DISSOLUTION OF Al—Zn—In ANODES

Sun Hejian Huo Shizhong (Dalian Institute of Technology)

全文: PDF(1249 KB)

摘要: 研究了铟对铝基牺牲阳极溶解的影响。结果表明:铟量增加,使铝阳极电位负移,电流效率下降;铟在合金中以偏析相存在,阳极表面具有均匀分布的蚀孔,在蚀孔中有富铟的岛状物;铟的溶解量随时间呈U型曲线。提出了偏析的富铟相使铝阳极活化而溶解的假说。

Abstract：The effect of indium on the dissolution of aluminium sacrificial anode was studied. Results showed that the potential of Al-Zn-In anode shifted towards negative and its electrical efficiency descended with increasing amount of indium in alloy; indium segregated in such alloys; corrosion pits distributed uniformly on the whole surface of the anode, and the In-rich islands were discovered in these pits. U shaped curves of time versus the amount of indium dissolved were obtained. It is proposed that the In-rich segregated phase particles activate the dissolution process of aluminium sacrificial anode.

收稿日期: 1987-04-25

基金资助:中国科学院科学基金

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引用本文:

孙鹤建;火时中. 铟在铝基牺牲阳极溶解过程中的作用[J]. 中国腐蚀与防护学报, 1987, 7(2): 115-120.
. THE ROLE OF INDIUM IN THE DISSOLUTION OF Al—Zn—In ANODES. J Chin Soc Corr Pro, 1987, 7(2): 115-120.

链接本文:

https://www.jcscp.org/CN/ 或 https://www.jcscp.org/CN/Y1987/V7/I2/115

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