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Modelling of severe wear: a survey of the contributions of the Technical University of Zittau to tribology

机译:严重磨损的建模:齐陶技术大学对摩擦学的贡献的调查

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摘要

In the years from 1974 to 1992 members of the Technical University of Zittau investigated problems of analytical modelling in the field of tribology. Most of the questions and suggestions came from difficulties in the practice of technology. Therefore the application of general knowledge to different concrete situations was adopted as the governing principle for this research. Thus modelling and generalizing became the favoured means of investigation. First of all erosive blasting wear became of interest because damage in coal and energy plants were studied. Later on sliding wear developed as a phenomenon which could be described by stochastic fields surprisingly well. One-, two- and three-body abrasive wear patterns were handled. Also the effect of lubrication on mechanical contacts was included in this study. Eventually droplet impact erosion and erosion by cavitation were objects of investigation, the former because of its appearance in the last stages of steam turbines, and the latter because of similarities to droplet impact.
机译:从1974年到1992年,齐陶技术大学的成员研究了摩擦学领域的分析建模问题。大多数问题和建议来自技术实践中的困难。因此,将常识应用于不同具体情况作为本研究的指导原则。因此,建模和泛化成为调查的首选手段。首先,由于已经研究了燃煤和发电厂的损坏,因此引起了喷砂的磨损。后来,滑动磨损发展成为一种现象,可以用随机场很好地描述。处理了一,二和三体磨料磨损模式。这项研究还包括润滑对机械触点的影响。最终,液滴冲击腐蚀和空化腐蚀成为研究的对象,前者是由于其出现在汽轮机的最后阶段,而后者是由于与液滴冲击相似。

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