Author(s)

D.L. Butler, L.A. Blunt & A.W. Duffill

Abstract

Wear in engine cylinder liners has long been a problem which has attracted considerable attention over the past 50 years. The surface of the liner is usually generated by a combination of base and plateau honing. The honed surface serves a dual function of providing good bearing capability as well as the ability to retain lubricant. Excessive wear can lead to the removal of the honing grooves and the formation of polished regions. These areas, known as bore polish, are detrimental to the overall performance of the engine and can lead to gas blow-by and scuffing. The engine testing industry, as part of their criteria for determining the performance of a lubricant, will inspect an e

Keywords