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3 results on '"tangential contact stiffness"'

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

Author

Universitat Politècnica de València. Departamento de Ingeniería Mecánica y de Materiales - Departament d'Enginyeria Mecànica i de Materials, GENERALITAT VALENCIANA, AGENCIA ESTATAL DE INVESTIGACION, Gobierno Vasco/Eusko Jaurlaritza, Agencia Estatal de Investigación, European Regional Development Fund, Infante-García, Diego, Marco, Miguel, Zabala, Alaitz, Abbasi, Farshad, Giner Maravilla, Eugenio, Llavori, Iñigo, Universitat Politècnica de València. Departamento de Ingeniería Mecánica y de Materiales - Departament d'Enginyeria Mecànica i de Materials, GENERALITAT VALENCIANA, AGENCIA ESTATAL DE INVESTIGACION, Gobierno Vasco/Eusko Jaurlaritza, Agencia Estatal de Investigación, European Regional Development Fund, Infante-García, Diego, Marco, Miguel, Zabala, Alaitz, Abbasi, Farshad, Giner Maravilla, Eugenio, and Llavori, Iñigo

Abstract

[EN] 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.

Published
2020

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

Author

Universitat Politècnica de València. Departamento de Ingeniería Mecánica y de Materiales - Departament d'Enginyeria Mecànica i de Materials, GENERALITAT VALENCIANA, AGENCIA ESTATAL DE INVESTIGACION, Gobierno Vasco/Eusko Jaurlaritza, Agencia Estatal de Investigación, European Regional Development Fund, Infante-García, Diego, Marco, Miguel, Zabala, Alaitz, Abbasi, Farshad, Giner Maravilla, Eugenio, Llavori, Iñigo, Universitat Politècnica de València. Departamento de Ingeniería Mecánica y de Materiales - Departament d'Enginyeria Mecànica i de Materials, GENERALITAT VALENCIANA, AGENCIA ESTATAL DE INVESTIGACION, Gobierno Vasco/Eusko Jaurlaritza, Agencia Estatal de Investigación, European Regional Development Fund, Infante-García, Diego, Marco, Miguel, Zabala, Alaitz, Abbasi, Farshad, Giner Maravilla, Eugenio, and Llavori, Iñigo

Abstract

[EN] 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.

Published
2020

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

Author

Infante García, Diego, Marco, Miguel, Giner, Eugenio, Zabala, Alaitz, Abbasi, Farshad, Llavori, Inigo, Infante García, Diego, Marco, Miguel, Giner, Eugenio, Zabala, Alaitz, Abbasi, Farshad, and Llavori, Inigo

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.

Published
2020

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