Fundamental Tribomechanics at Severe Contact Conditions

严酷接触条件下的基本摩擦力学

• 批准号: 8708065
• 负责人: Kyriakos Komvopoulos
• 金额: $ 7.98万
• 依托单位: University of Illinois at Urbana-Champaign
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 1987
• 资助国家: 美国
• 起止时间: 1987-08-15 至 1989-08-25
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=8708065&HistoricalAwards=false
• 关键词: Fundamental; Tribomechanics; Severe; Contact; Conditions

The thrust of the research program is on the analysis of the fundamental friction and wear mechanisms of ceramic and metal-ceramic surfaces subjected to high temperatures and large contact stresses. Particular emphasis will be placed on examining the dependence of the tribological properties on some critical parameters such as ceramic layer(s) thickness, temperature, magnitude of surface tractions, interfacial "friction" conditions, and mechanical and thermal properties of layer and substrate materials, in the light of experimental and analytical results. The finite element analysis of layered media subjected to mechanical and thermal surface loads, in conjunction with the experimental work, will result in the development of the necessary criteria for the design of low-friction and wear- resistant layered surfaces for severe contact applications.

研究的重点是分析陶瓷和金属陶瓷表面在高温和大接触应力作用下的基本摩擦磨损机理。根据实验和分析结果，着重研究了摩擦学性能与一些关键参数的关系，如陶瓷层(S)厚度、温度、表面牵引力大小、界面“摩擦”条件以及层和衬底材料的机械和热性能。层状介质在机械和热表面载荷作用下的有限元分析，与实验工作相结合，将为设计用于严重接触应用的低摩擦和耐磨的层状表面提供必要的标准。