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碳钢与低合金耐大气腐蚀规律研究
Study on atmospheric corrosion of low alloy steels
查看参考文献5篇
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文摘
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采用干湿复合循环实验、电化学交流阻抗和扫描电镜等方法研究了7种碳钢与低合金钢在试验环境中的腐蚀规律及腐蚀试验后带锈试样的电化学特征结果表明，7种材料的腐蚀失重率随时间均遵从负指数规律：Y=Y_o+Ae~(t/B)、电化学测试结果表明带锈试样进一步腐蚀的速度受阴极扩散过程所控制；7种材料带锈试样的阻抗值与材料的年腐蚀速率呈线性关系 |
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其他语种文摘
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The corrosion of 7 kinds of mild steel and low alloy steel in immersion— wet- dry cycle test environ ment and the electrochemical feature of rusted metals after test were studied by using EIS and SEM et al. The solution containing HSO_3~- and C~-l , was used for wetting and immersion specimens at circumstance temperature 40℃ for 4 min respectively.The drying cycle was maintained for 12 min at temperature 12℃ .The results indi cated that, the weight loss all followed exponential decay function: Y＝ Y_O + A_e ~(t/B). The corrosion rate of mild steel was 2.49 times than that of the most corrosion resistant low alloy after 120 h test. The results of electro chemical measurement showed that, the further corrosion rate would be controlled by cathodic diffusion process. The impedance of 7 kinds of steels after corrosion test was linear with the annual corrosion rate. |
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来源
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中国腐蚀与防护学报
,2004,24(3):147-150,154 【核心库】
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关键词
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钢
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地址
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中国科学院金属研究所, 金属腐蚀与防护国家重点实验室, 沈阳, 110016
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1005-4537 |
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学科
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金属学与金属工艺 |
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基金
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国家自然科学基金
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国家自然科学基金
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文献收藏号
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CSCD:1645126
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参考文献 共
5
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Asami K.
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Ishikawa T.
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Kmaimura T.
Mater Trans,,2002,43(4):694-703
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CSCD被引
1
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Yamamoto M.
Testsuto Hagane,,2000,86:9
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CSCD被引
1
次
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