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首页> 外文期刊>Ceramic Engineering and Science Proceedings >FRICTION AND WEAR BEHAVIOR OF ZIRCONIA CERAMIC MATERIALS
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FRICTION AND WEAR BEHAVIOR OF ZIRCONIA CERAMIC MATERIALS

机译：氧化锆陶瓷材料的摩擦磨损性能

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摘要

Zirconia is one of the most versatile structural ceramic materials because of the range of possible microstructures, and hence mechanical properties. Toughened zirconia materials with different microstructures are currently used for tribological applications either in the monolithic forms or as coatings. In the present study, lubricated friction and wear behaviors of five different zirconia materials with different microstructures were evaluated using block-on-ring contact configuration and unformulated PAO lubricant. Tests were conducted with zirconia blocks sliding against hardened steel coated with hard MoN thin film. Although the friction behaviors of the all the tested materials are similar with average friction coefficient of 0.10 - 0.12 for all materials, significant differences were observed in their wear attributes. About a factor of 10 difference was observed in the wear rates of the materials. Although the behavior cannot be easily connected to any particular material property, in general, materials with multi-phase microstructure exhibited less wear than mono-phased materials.
机译：氧化锆是最通用的结构陶瓷材料之一，因为可能的微结构范围很大，因此机械性能也很高。具有不同微观结构的增韧氧化锆材料目前以整体形式或作为涂层用于摩擦学应用。在本研究中，使用环对块接触构型和未配制的PAO润滑剂评估了五种具有不同微结构的氧化锆材料的润滑摩擦和磨损行为。用氧化锆块在涂有硬MoN薄膜的硬化钢上滑动进行测试。尽管所有测试材料的摩擦行为都相似，所有材料的平均摩擦系数为0.10-0.12，但在其磨损属性上却观察到了显着差异。观察到材料的磨损率相差约10倍。尽管不能轻易将行为与任何特定的材料特性联系起来，但通常来说，具有多相微观结构的材料比单相材料具有更少的磨损。

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