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Sliding Wear Study on the Valve-Seat Insert Contact

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DOI: 10.4236/ojapps.2017.72004    1,341 Downloads   1,907 Views Citations

ABSTRACT

The aim of this work was to investigate the sliding wear coefficient k, using an experimental sliding wear study on the valve-seat insert contact. Commercial inlet valve and seat inserts were used as test specimens. The tests were performed at room temperature and at 200, using test duration of 72,000 cycles and 18,000 cycles, respectively, and both in dry sliding conditions. A load of 5 N, an average speed of 22 mm/s and sliding distance of 2.2 mm were used for all tests. The sliding wear coefficients were calculated using experimental and analytical methods. The wear volume was higher in the tests at 200 both in valve and seat insert specimens. The principal wear mechanisms observed in valve specimen were oxidation and abrasion.

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Vera-Cardenas, E. , Lewis, R. and Slatter, T. (2017) Sliding Wear Study on the Valve-Seat Insert Contact. Open Journal of Applied Sciences, 7, 42-49. doi: 10.4236/ojapps.2017.72004.

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