On the Role of Contact and System Stiffness in the Measurement of Principal Variables in Fretting Wear Testing

Infante-García, Diego; Marco, Miguel; Zabala, Alaitz; Abbasi, Farshad; Giner, Eugenio; Llavori, Iñigo

doi:10.3390/s20154152

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On the Role of Contact and System Stiffness in the Measurement of Principal Variables in Fretting Wear Testing

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Department of Mechanical Engineering, Universidad Carlos III de Madrid, Avda. de la Universidad 30, 28911 Leganés, Madrid, Spain

Surface Technologies, Mondragon University, Loramendi 4, 20500 Arrasate-Mondragon, Gipuzkoa, Spain

Advanced Material Processes Research Group, Department of Mechanical and Industrial Production, Mondragon University, Loramendi 4, 20500 Arrasate-Mondragon, Gipuzkoa, Spain

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Centre of Research in Mechanical Engineering—CIIM, Department of Mechanical and Materials Engineering, Universitat Politècnica de València, Camino de Vera, 46022 Valencia, Spain

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Sensors 2020, 20(15), 4152; https://doi.org/10.3390/s20154152

Received: 29 June 2020 / Revised: 20 July 2020 / Accepted: 23 July 2020 / Published: 26 July 2020

(This article belongs to the Special Issue Sensors in Experimental Mechanics)

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Abstract

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. View Full-Text

Keywords: fretting wear; tangential contact stiffness; numerical modelling

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Infante-García, D.; Marco, M.; Zabala, A.; Abbasi, F.; Giner, E.; Llavori, I. On the Role of Contact and System Stiffness in the Measurement of Principal Variables in Fretting Wear Testing. Sensors 2020, 20, 4152. https://doi.org/10.3390/s20154152

AMA Style

Infante-García D, Marco M, Zabala A, Abbasi F, Giner E, Llavori I. On the Role of Contact and System Stiffness in the Measurement of Principal Variables in Fretting Wear Testing. Sensors. 2020; 20(15):4152. https://doi.org/10.3390/s20154152

Chicago/Turabian Style

Infante-García, Diego, Miguel Marco, Alaitz Zabala, Farshad Abbasi, Eugenio Giner, and Iñigo Llavori. 2020. "On the Role of Contact and System Stiffness in the Measurement of Principal Variables in Fretting Wear Testing" Sensors 20, no. 15: 4152. https://doi.org/10.3390/s20154152

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On the Role of Contact and System Stiffness in the Measurement of Principal Variables in Fretting Wear Testing

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