Calculation of Wear of Metallic Surfaces Using Material’s Fatigue Model and 3D Texture Parameters

Q3 Engineering
G. Spriņģis, Irina Boiko, O. Liniņš
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引用次数: 0

Abstract

Today, when it comes to manufacturing parts and components for various mechanisms, the tendency is to use both approaches – the latest technologies and new material combinations- to achieve a longer product's lifetime. That is why the issue of machine parts' working capacity criteria, one of the most important of which is wear and its prediction, remains vitally important. Having studied the prediction theories of the wear process that have been developed over time, one can state that each has shortcomings that might strongly impair the results, thus making unnecessary theoretical calculations. Also, predicting wear based on lengthy, time-consuming, costly experiments is still prevalent. The article discusses a new wear calculation model, which is based on the application of theories from several branches of science. This model considers the surface texture (3D) parameters' values in modelling the surface's micro-topography with the random field theory while the friction surfaces' destruction – with the fatigue theory. The new wear calculation model is synthesised based on a developed friction surface contact model, providing a more complete surface description, which is essential for wear calculation and gives more accurate results. The proposed new wear calculation formula includes parameters that can be easily determined using modern measurement methods, thus speeding up the product design process and significantly contributing to sustainable development. Experimental studies on the steel-bronze sliding friction pair validated the analytical wear calculations' results.
利用材料的疲劳模型和三维纹理参数计算金属表面的磨损情况
如今,在制造各种机械零件和部件时,人们倾向于采用最新技术和新材料组合这两种方法,以延长产品的使用寿命。因此,机械零件的工作能力标准问题,其中最重要的是磨损及其预测,仍然至关重要。在对长期以来形成的磨损过程预测理论进行研究后,我们可以发现,每种理论都存在缺陷,可能会严重影响结果,从而导致不必要的理论计算。此外,基于冗长、耗时、昂贵的实验来预测磨损的做法仍很普遍。本文讨论了一种新的磨损计算模型,该模型基于多个科学分支理论的应用。该模型考虑了表面纹理(三维)参数值,用随机场理论对表面微观形貌进行建模,而摩擦表面的破坏则用疲劳理论进行建模。新的磨损计算模型是在已开发的摩擦表面接触模型的基础上合成的,提供了更完整的表面描述,这对磨损计算至关重要,并能给出更精确的结果。所提出的新磨损计算公式包含的参数可通过现代测量方法轻松确定,从而加快了产品设计过程,极大地促进了可持续发展。对钢-青铜滑动摩擦副的实验研究验证了分析磨损计算的结果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Tribology in Industry
Tribology in Industry Engineering-Mechanical Engineering
CiteScore
2.80
自引率
0.00%
发文量
47
审稿时长
8 weeks
期刊介绍: he aim of Tribology in Industry journal is to publish quality experimental and theoretical research papers in fields of the science of friction, wear and lubrication and any closely related fields. The scope includes all aspects of materials science, surface science, applied physics and mechanical engineering which relate directly to the subjects of wear and friction. Topical areas include, but are not limited to: Friction, Wear, Lubricants, Surface characterization, Surface engineering, Nanotribology, Contact mechanics, Coatings, Alloys, Composites, Tribological design, Biotribology, Green Tribology.
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