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模拟酸雨淋溶下黄壤中锌的腐蚀行为研究

伍远辉 罗宿星 勾华

表面技术2012,Vol.41Issue(2):12-15,4.
表面技术2012,Vol.41Issue(2):12-15,4.

模拟酸雨淋溶下黄壤中锌的腐蚀行为研究

Study on the Corrosion Behaviors of Zinc in Yellow Soil Leached with Simulated Acid Rain

伍远辉 1罗宿星 1勾华1

作者信息

  • 1. 遵义师范学院化学系,遵义563002
  • 折叠

摘要

Abstract

The corrosion behaviors of zinc in yellow soil leached with simulated acid rain(SAR) were studied by means of polarization curves and electrochemical impedance spectroscopy(EIS). The results indicated that SAR obviously affected the corrosion behavior of zinc in the yellow soil. The corrosion rate of the zinc increased with decreasing SAR pH. The corrosion tendency of the soil obviously increased with the leaching time of the SAR. In initial stage of the corrosion, a capacitive loop was observed in EIS? And there were two capacitive semicircles after burying for 32 days> and the control step for corrosion of zinc in the yellow soil was activation polarization process.

关键词

酸雨/土壤//腐蚀

Key words

acid rain/ soil/ zinc/ corrosion

分类

矿业与冶金

引用本文复制引用

伍远辉,罗宿星,勾华..模拟酸雨淋溶下黄壤中锌的腐蚀行为研究[J].表面技术,2012,41(2):12-15,4.

基金项目

贵州省高层次人才科研条件特助经费项目(TZJF-2010年-009号) (TZJF-2010年-009号)

贵州省教育厅自然科学研究重点资助项目(黔教科20090050) (黔教科20090050)

遵义市"15851人才工程"经费资助项目(2011年03号) (2011年03号)

表面技术

OA北大核心CSCDCSTPCD

1001-3660

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