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Effect of salinity on the corrosive wear behaviour of engineering steels in aqueous solutions
Wear ( IF 5 ) Pub Date : 2020-12-01 , DOI: 10.1016/j.wear.2020.203515
F. Smith , F. Brownlie , T. Hodgkiess , A. Toumpis , A. Pearson , A.M. Galloway

Abstract The effect of salinity is assessed on the corrosive wear behaviour of a low-alloy steel (UNS G43400) and three stainless steels (UNS S15500, UNS S31600 and UNS S32760). Erosion-corrosion testing was conducted using a submerged impingement slurry jet test-rig. Three salinities were evaluated; 0.05%NaCl, 3.5%NaCl and 10%NaCl. Total volume losses (TVL) and a volumetric analysis technique were used to assess the damage in the directly-impinged zone (DIZ) and outer area (OA). Under all measured parameters, material loss for the stainless steels increased marginally with increased salinity. In terms of TVL and OA volume loss, the low alloy steel exhibited significantly greater material loss from 0.05%NaCl to 3.5%NaCl conditions, however, no further increase was evident when the salinity was raised to 10%NaCl.

中文翻译:

盐度对工程钢在水溶液中腐蚀磨损行为的影响

摘要 评估了盐度对低合金钢 (UNS G43400) 和三种不锈钢 (UNS S15500、UNS S31600 和 UNS S32760) 腐蚀磨损行为的影响。侵蚀腐蚀测试是使用浸入式冲击浆液喷射试验台进行的。评估了三种盐度;0.05%NaCl、3.5%NaCl和10%NaCl。总体积损失 (TVL) 和体积分析技术用于评估直接撞击区 (DIZ) 和外部区域 (OA) 中的损坏。在所有测量参数下,不锈钢的材料损失随着盐度的增加而略有增加。在 TVL 和 OA 的体积损失方面,低合金钢从 0.05%NaCl 到 3.5%NaCl 的条件下表现出明显更大的材料损失,但是,当盐度提高到 10%NaCl 时,没有明显的进一步增加。
更新日期:2020-12-01
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