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首页> 外文会议>Proceedings vol.2004-14; Electrochemical Society(ECS) International Meeting and Symposium on Corrosion in Marine and Saltwater Environments II; 20041003-08; Honolulu,HI(US) >ACID DEW CORROSION BEHAVIOR OF COPPER AND ANTIMONY BEARING LOW ALLOY STEEL
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ACID DEW CORROSION BEHAVIOR OF COPPER AND ANTIMONY BEARING LOW ALLOY STEEL

机译：低合金钢对铜和锑的酸露腐蚀行为

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摘要

The effects of alloying elements in carbon steel on acid dew corrosion were investigated. Field exposure tests in waste gas treatment facilities and laboratory corrosion tests were conducted. Three low alloy steels such as COR-TEN A (P-Cu-Cr-Ni), COR-TEN B (Cu-Cr-Ni) and S-TEN1 (Cu-Sb) were tested with carbon steel. Results revealed that the corrosion rates of the low alloy steels tested were significantly affected by alloying elements. The addition of Cu-Sb lowered the corrosion rates most effectively in acid dew corrosion environments with or without chloride containing ash. A synergetic effect of the addition of Cu with Sb on lowering the corrosion rate of steel was confirmed by corrosion tests of Cu-Sb-Fe alloys. Precipitation of Cu_2Sb may retard anodic iron dissolution and the hydrogen evolution reaction, which can lead to a lower corrosion rate.
机译：研究了碳钢中合金元素对酸露腐蚀的影响。进行了废气处理设施的现场暴露测试和实验室腐蚀测试。用碳钢测试了三种低合金钢，例如COR-TEN A（P-Cu-Cr-Ni），COR-TEN B（Cu-Cr-Ni）和S-TEN1（Cu-Sb）。结果表明，测试的低合金钢的腐蚀速率受合金元素的影响很大。在含或不含氯化物灰分的酸露腐蚀环境中，添加铜-锑可最有效地降低腐蚀速率。通过Cu-Sb-Fe合金的腐蚀试验证实了添加Cu和Sb对降低钢的腐蚀速率的协同作用。 Cu_2Sb的沉淀可能会延迟阳极铁的溶解和氢的释放反应，从而导致较低的腐蚀速率。

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