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首页> 外文会议>IUMRS International Conference in Asia;IUMRS-ICA 2010 >Corrosion Behavior of High-strength Pipeline Steel and Coatings in the Simulated Sea Water Environment
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Corrosion Behavior of High-strength Pipeline Steel and Coatings in the Simulated Sea Water Environment

机译：模拟海水环境下高强度管线钢和涂层的腐蚀行为

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Four different metal coatings of pure aluminum, aluminum zinc alloy, titanium, aluminum Titanium were prepared on the surface of X80 pipeline steel by the method of arc spraying. The microstructures and combination method between the four coatings and substrates were observed by means of metallurgical microscope.This paper use 3.5%(mass fraction) NaCl solution to simulate seawater. The corrosion potential, average corrosion rate and corrosion current density of the four metal coatings were studied through the immersion test, salt spray test and electrochemical experiment in 3.5% NaCl solution.According to the results,analyse the corrosion mechanism of different coatings compared to the different corrosion resistances. The results showed that the Al-Zn coating has the excellent comprehensive corrosion resistance.
机译：通过电弧喷涂的方法在X80管线钢表面制备了四种不同的纯铝，铝锌合金，钛，铝钛金属涂层。通过金相显微镜观察了这四个涂层与基体之间的微观结构和结合方法。本文采用3.5％（质量分数）NaCl溶液模拟海水。通过在3.5％NaCl溶液中的浸没试验，盐雾试验和电化学实验研究了四种金属涂层的腐蚀电势，平均腐蚀速率和腐蚀电流密度。不同的耐腐蚀性。结果表明，Al-Zn涂层具有优异的综合耐蚀性。

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