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Impact Wear of Structural Steel with Yield Strength of 235 MPa in Various Liquids

机译：各种液体中屈服强度为235 MPa的结构钢的冲击磨损

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The wear of pipelines, used in slurry transport, results in high costs for maintenance and replacement. The wear mechanism involves abrasion, corrosion, impact, and the interaction among them. In this work, we study the effect of impact on the wear mechanism and wear rate. Results show that when the effect of impact is small, the wear mechanism is dominated by electrochemically induced surface modification, which leads to a lower wear rate in a corrosive environment than in a non-corrosive environment. By contrast, when the effect of impact is large, the wear mechanism is drastically altered. In that regime plastic deformation is important. The influence of corrosion in the high impact regime can be neglected. Our findings show the importance of including impact effect in the distinction of wear of slurry pipes.
机译：用于泥浆运输的管道磨损导致维护和更换成本高昂。磨损机制涉及磨损，腐蚀，冲击以及它们之间的相互作用。在这项工作中，我们研究了对磨损机理和磨损率的影响。结果表明，当冲击的影响较小时，磨损机理主要是由电化学诱导的表面改性引起的，这导致在腐蚀性环境中的磨损率比在非腐蚀性环境中低。相反，当冲击的影响较大时，磨损机制会发生巨大变化。在那种情况下，塑性变形很重要。在高冲击状态下腐蚀的影响可以忽略。我们的发现表明，在区分泥浆管的磨损时，必须包括冲击效应。

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