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실린더 라이너의 오일포켓 형성이 마찰특성에 미치는 영향에 관한 연구
서준호(JoonHo Seo),나병철(ByungChul Na),임대순(DeaSoon Lim),정장호(JangHo Jung),이석준(SeokJoon Lee),한정민(JungMin Han) 대한기계학회 2010 대한기계학회 춘추학술대회 Vol.2010 No.11
Since the friction between piston rings and cylinder liner takes up the biggest part of the energy loss in engines, surface design of cylinder liner is a very important factor. There are many researches in progress because this directly relates to fuel consumption, emissions, and durability. This research confirmed the technology of storing lubricants on cylinder liner through creating oil pockets, and applying CrN+DLC Coating on piston rings. Auto parts that are actually used on real vehicles were experimentally put together, and Tribology characteristics of each combination were analysed to confirm friction reduction by application of CrN+DLC Coating technology. By applying CrN+DLC Coating and chemical micro texturing skills to actual vehicles, fuel consumption reduction, emissions reduction, vibration reduction, and improvement in durability are expected.