期刊
SENSORS
卷 20, 期 15, 页码 -出版社
MDPI
DOI: 10.3390/s20154152
关键词
fretting wear; tangential contact stiffness; numerical modelling
资金
- Eusko Jaurlaritza [KK-2017/00053 KK-2018/00013, KK-2020/00063]
- Spanish Ministry of Economy and Competitiveness [DPI2017-89197-C2-1-R, DPI2017-89197-C2-2-R]
- Generalitat Valenciana [PROMETEO 2016/007]
- FEDER program [DPI2017-89197-C2-1-R, DPI2017-89197-C2-2-R]
In this work, the role of the contact stiffness in the measurement of principal variables in fretting wear tests is assessed. Several fretting wear tribometers found in the literature, including one developed by the authors, are analysed and modelled using numerical methods. The results show the importance of the tribosystem stiffness and tangential contact stiffness in the displacement sensor calibration and in the correct numerical modelling of fretting wear tests, especially for flat-to-flat contact configuration. The study highlights that, in most cases, direct comparisons between fretting results with severe wear obtained with different tribometers cannot be performed if the contact stiffness is not properly considered during the development of the experiments.
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