A new measuring method for friction factor by using ring with inner boss compression test

Hu, Chengliang and Yin, Qiang and Zhao, Zhen and Ou, Hengan (2017) A new measuring method for friction factor by using ring with inner boss compression test. International Journal of Mechanical Sciences, 123 . pp. 133-140. ISSN 0020-7403

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Abstract

To overcome the disadvantage of the bulging effect due to non-uniform deformation in dimension measurement of the conventional ring compression test (RCT), a new measuring method for the friction factor called ring compression test with inner boss (RCT-IB) was proposed. The compression behavior of the ring with an inner boss was investigated and results showed that the change of inner boss was sensitive to friction. The non-concave profile of inner boss allows the dimensional changes to be easily and precisely measured. The calibration curves of RCT-IB were constructed and compared with those of RCT showing similar level of sensitivities at most friction conditions. The RCT-IB method was successfully used to measure the friction factors under four different lubricating conditions.

Item Type: Article
Keywords: Friction factor, Ring compression test, Ring compression test with inner boss, Calibration curves
Schools/Departments: University of Nottingham, UK > Faculty of Engineering > Department of Mechanical, Materials and Manufacturing Engineering
Identification Number: 10.1016/j.ijmecsci.2017.01.042
Depositing User: Eprints, Support
Date Deposited: 16 May 2017 09:23
Last Modified: 18 May 2017 04:06
URI: http://eprints.nottingham.ac.uk/id/eprint/42863

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