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Umair Ashraf; Sheikh Shahid Saleem

A Tribological Study of I.C. Engine Exhaust Valve

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ISBN: 978-620000505---2
Verlag: LAP Lambert Academic Publishing
Format: Flexibler Einband
108 Seiten; 220 mm x 150 mm, 2019


The frequent impact of exhaust valve of internal combustion engines involves micro-sliding under the conditions of high and varying temperatures in presence of complex exhaust gas chemistry and particulates. Hence, it is imperative that exhaust valves should withstand higher temperature ranges and thermal stresses, and resist corrosion. The study aims to understand the wear mechanism of exhaust valves by studying tribological behaviour of 23-8N valve steel against GGG-60 cast iron (valve seat) counter-face and the effect of creation of protective tribo-films on the wear rate.

Biografische Anmerkung zu den Verfassern

Ashraf, Umair
Mr. Umair Ashraf is a Research Assistant for an international project in the Mech. Engg. Deptt. at NIT Srinagar. For his academic and research distinctions, the author has received a gold medal at the post-graduate level.Dr. Sheikh Shahid Saleem is serving as an Associate Professor in the Mech. Engg. Deptt. at NIT Srinagar.