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刚的大气暴露腐蚀的室内模拟的加速腐蚀的相关性
Investigation on iterrelation of indoor accelerated corrosion and atmospheric exposure corrosion of steels
查看参考文献13篇
文摘
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通过大气暴露试验和实验室的浸渍干燥湿润复合循环试验,结合腐蚀产物的表面分析,研究了4种钢在沈阳地区的大气腐蚀规律和模拟大气腐蚀过程的腐蚀规律.结果表明:在大气暴露试验和室内模拟加速腐蚀试验中,4种钢的腐蚀产物都具有不同程度的保护性,腐蚀规律可用AW=Kt”公式描述,室内外腐蚀试验结果有较好的相关性.采用O.01 m01/L NaHS0s+0.001 mol/L NaCl介质为加速剂,通过干湿复合循环试验,可模拟钢在沈阳大气环境中的腐蚀过程。近似推测户外长期暴露试验的结果. |
其他语种文摘
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The law of atmospheric corrosion of 4 steels in Shenyang area was studied by means of atmospheric exposure tests and their corrosion products were analyzed by XRD and IRAS. For comparison, an accelerated weathering tests of immersion — dry — wet combined cycles with the medium of NaHSO3 and NaCl was used to simulate the field corrosion process. The results showed that, in the two conditions of field and laboratory, the corrosion process of steels could be described by a formulary of AW = Kt" ; the main corrosion products are a - FeOOH and y — FeOOH. It is obvious that there exists a rather good the interrelation between simulating accelerated corrosion and atmospheric exposure corrosion. The corrosion process of steels in Shenyang atmosphere could be simulated by accelerated weathering tests of immersion- dry— wet combined cycles with the medium of 0.01 mol/L NaHSO3 and 0.001 mol/L NaCl. |
来源
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腐蚀科学与防护技术
,2004,16(2):70-73 【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 |
文献类型
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研究性论文 |
ISSN
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1002-6495 |
学科
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金属学与金属工艺 |
基金
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国家973计划
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国家973计划
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国家科技部科研院所社会公益研究专项
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文献收藏号
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CSCD:1642944
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