运用旋转圆盘电极测定碳钢的阳极极化曲线,研究了在含Cl-的中性腐蚀介质中钨酸盐对碳钢的缓蚀机理.结果表明钨酸钠对碳钢的缓蚀作用为钝化机理,但介质中Mg2+离子的存在对该钝化作用有显著影响.
Anodic polarization curves of carbon steel were measured using rotating disk electrode. The inhibition mechanism of carbon steel with tungstate in deaerated neutral solution was investigated. The results indicated that the passivation film formed on the surface of carbon steel during the process of anodic polarization. The existence of Mg2+ ions in solution could effected the formation of passivation film.
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