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김재학(J. H. Kim),전경진(K. J. Chun),홍재수(J. S. Hong),김양수(Y. S. Kim),김덕영(D. Y. Kim),임정규(J. K. Im) 한국정밀공학회 2006 한국정밀공학회 학술발표대회 논문집 Vol.2006 No.5월
Wear of valve seating face and seat insert seating face influence the performance of engine, so they are important. To manufacture good quality valve and seat insert which have wear resistance the relations between wear factors and wear of the two seating faces have to be inspected. Cycle number is one of the important wear factors wearing the two seating faces and it can translate into mileage in rear car. But little is known. Test variable is only cycle number and the cycle numbers are 2.0×10?, 4.0×10? 6.0×10?, 8.0×10?. And the other test conditions were fixed. Rmax of valve seating face and seat insert seating face increase linearly as cycle number is increased. Rmax of valve seating face were smaller than seat insert seating face in each cycle number. Reaction production by tribological reaction and sliding wear was found on the two faces.