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研究了J422焊条在2M H_2SO_4中的电化学振荡,发现在缝隙状态下,过渡区的振荡易于消失,在CI~-存在下,钝化区出现了明显的振荡,并加剧了局部腐蚀。
The electrochemical oscillation of J422 electrode in 2M H_2SO_4 was studied. It was found that the oscillation of the transition zone disappeared easily in the gap state. In the presence of CI ~ -, the obvious oscillation appeared in the passivation zone and the local corrosion was aggravated.