| 在南海海域铜合金8年腐蚀行为研究 |
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| 引用本文： | 李文军,刘大扬,魏开金.在南海海域铜合金8年腐蚀行为研究[J].腐蚀科学与防护技术,1995,7(3):232-236. |
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| 作者姓名： | 李文军 刘大扬 魏开金 |
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| 作者单位： | 洛阳船舶材料研究所 |
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| 基金项目： | 国家自然科学基金,中国船舶工业总公司联合资助 |
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| 摘 要： | 研究了7种铜合金在南海榆林站海水中8年的腐蚀行为结果表明,7种铜合金的平均腐蚀深度与时间关系符合H=aTb规律,其平均腐蚀速度随时间而下降,利用EPMA、X衍射分析了HSn62—1、QSn6.5-0.1腐蚀膜成分、结构与耐蚀性的关系.
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| 关 键 词： | 铜合金 海水 腐蚀 回归分析 膜层 |
| 收稿时间： | 1995-05-25 |
| 修稿时间： | 1995-05-25 |
CORROSION BEHAVIOR OF COPPER ALLOYS EXPOSED IN SOUTH CHINA SEA FOR 8 YEARS |
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| LI Wenjun, LIU Dayang, WEI Kaijin.CORROSION BEHAVIOR OF COPPER ALLOYS EXPOSED IN SOUTH CHINA SEA FOR 8 YEARS[J].Corrosion Science and Protection Technology,1995,7(3):232-236. |
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| Authors: | LI Wenjun LIU Dayang WEI Kaijin |
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| Abstract: | Seven copper alloys were exposed in South China Sea for 8 years. Results show that the relationship between the average corrosion depth of copper alloys and the exposure time can be described by H=aTb and that the average corrosion rates for copper alloys decrease with time. The corrosion product film formed on some copper alloys was analysed by EPMA and X-ray diffraction. The reason that HSn62-1 has good resistance to general corrosion is due to the Sn enrichment in the local zone of inner corrosion layer and the inhibiting effect of the formed tin compounds on the dissolution process of the anodic phase. |
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| Keywords: | copper alloy seawater corrosion regression analysis film |
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