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首页> 外文期刊>International Journal of Surface Science and Engineering >Identification of materials and coatings to minimise/eliminate Wankel rotary engine's apex seal/trochoid wear chatter
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Identification of materials and coatings to minimise/eliminate Wankel rotary engine's apex seal/trochoid wear chatter

机译：材料和涂层的识别，以最小化/消除Wankel旋转发动机的顶点密封/穿着型耐磨

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摘要

A well-known problem is existing in Wankel rotary engine that leads the engine to seize before it achieves operational loading conditions. Existing research literature shows one of the primary indications to cause engine seizure are the chatter marks. The present study focuses on performing bench testing to rank the combinations of chosen materials and coatings resulting in lowest friction and reduced chatter. A total combination of 11 materials and coatings were analysed and tested. It was found that titankote with PVD coating and nikasil coating with diamond particles on A-2 tool steel performed the best, resulting in no wear, scuffing or chattering, with an increased surface smoothness. The lowest coefficient of friction measured was 0.06 with HTCS-150 hard trochoid and C-Lee Cook apex seals. The maximum average face wear reduction obtained was 15 mu m on titankote with PVD coated trochoid and 18 mu m on ceramic apex seal.
机译：众所周知的问题是在Wankel旋转发动机中存在，导致发动机在实现操作负载条件之前抓住。 现有的研究文献显示了引发发动机癫痫发作的主要指示之一是喋喋不休。 本研究侧重于执行台灶测试，以对所选择的材料和涂层的组合进行排序，导致最低的摩擦力和减少的喋喋不休。 分析并测试了11种材料和涂层的总组合。 结果发现，具有PVD涂层的三烷块和Nikasil涂层，在A-2工具钢上进行了最佳金刚石颗粒，导致无磨损，磨损或颤动，表面平滑性增加。 测量的最低摩擦系数为0.06，HTCS-150硬趾垫和C-Lee厨师顶点密封件。 获得的最大平均面磨损还原为15μm，用PVD涂覆的杂交囊和18μm在陶瓷顶点密封上的18μm。

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