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Methodology development for investigation of slurry abrasion corrosion by integrating an electrochemical cell to a Miller tester

机译:通过将电化学电池集成到Miller测试仪来研究浆料磨蚀的方法学的发展

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摘要

Material losses in slurry handling systems constitute a significant fraction of cost in oil sands, mining, and mineral processing operations. It is thus important to better understand wear attack mechanisms and major factors affecting wear in such applications. In this work, a methodology and a testing system have been developed to study the abrasion\u2013corrosion synergism during slurry abrasion based on a Miller test machine by incorporating a three-electrode electrochemical cell. The proposed methodology has then been validated experimentally using QT 100 steel. It has been shown that cathodic protection using such system setup is effective in suppressing the corrosion effect on the total material loss. In general, corrosion-induced enhancement on slurry abrasion loss rate increases with slurry corrosivity but inversely with sliding speed.
机译:泥浆处理系统中的材料损失占油砂,采矿和矿物加工操作成本的很大一部分。因此,重要的是更好地了解磨损发作机制以及影响此类应用中磨损的主要因素。在这项工作中,已经开发了一种方法和测试系统,用于通过结合三电极电化学电池的Miller测试机,研究浆料磨损过程中的磨损协同作用。然后,使用QT 100钢对所提出的方法进行了实验验证。已经表明,使用这种系统设置的阴极保护可有效地抑制腐蚀对总材料损失的影响。通常,腐蚀引起的泥浆磨损率的提高随泥浆的腐蚀性而增加,但与滑动速度成反比。

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