Optimization of cryogenic treatment for en 52 and 214n valve steels an experimental study

Abstract

In internal combustion engines valves are precision components newlinethat regulate gas flow ports and are intended to seal the working space inside newlinethe cylinder against the manifolds Engine valve wear is one of the important newlinefactors which reduces the engine performance In recent years cryogenic newlinetreatment is attempted by researchers to supplement the conventional heat newlinetreatment to improve the mechanical properties of materials Recent works newlinehave thrown light on the effects of cryogenic treatment on bearings gears and newlineengine components to reduce wear and improve newline newline