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首页> 外文期刊>Corrosion Engineering, Science and Technology >Electrochemical potential noise of AlSI type 321 stainless steel under stress in acid sulphate solutions
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Electrochemical potential noise of AlSI type 321 stainless steel under stress in acid sulphate solutions

机译：酸性硫酸盐溶液中应力作用下AlSI 321型不锈钢的电化学势噪声

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摘要

An investigation was carried out on the features of potential fluctuations of AlSI type 321 stainless steel under various constant loads in acidic sodium sulphate solutions with or without the addition of chloride ions. The probability of occurrence of potential noise was found to be affected by the stress level, the concentration of Cl~- and the acidity of the solution. It increased with increasing stress and concentration of Cl~-. However, increasing acidity led to a decrease in the potential noise level. The probability of potential noise fluctuations decayed gradually with increasing time after loading. Based on a mechanism of the breakdown and repassivation, a statistical analysis has been undertaken of the potential fluctuations recorded in the present study.
机译：研究了在添加或不添加氯离子的酸性硫酸钠溶液中，各种恒定载荷下AlSI 321型不锈钢的潜在波动特征。发现潜在噪声的发生概率受应力水平，Cl〜-浓度和溶液酸度的影响。它随着应力和Cl〜-浓度的增加而增加。但是，增加酸度会导致潜在噪音水平降低。加载后，潜在噪声波动的可能性随着时间的增加而逐渐降低。基于击穿和钝化的机制，对本研究中记录的潜在波动进行了统计分析。

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