TY - GEN
T1 - A study on the tribological behavior of valve train system by low friction coating
AU - Seo, Joonho
AU - Na, Byungchul
AU - Kim, Jinyoung
AU - Park, Seunguk
AU - Lee, Youngmin
AU - Kim, Hyunchul
AU - Lee, Bonghyun
AU - Lim, Daesoon
N1 - Copyright:
Copyright 2020 Elsevier B.V., All rights reserved.
PY - 2008
Y1 - 2008
N2 - The contact in the valve train system is known to be the part subject to significant load in an automobile engine. For such reason, the wear of the contact accounts for the greatest portion of entire friction loss of an engine, leading to the occurrence of abnormal wear. In order to reduce the wear in the valve train, this study first formed a crn layer to increase the bonding force with the base metal using the pvd coating method and then applied a 2-layer coating that formed the wc/c layer with low friction/wear resistance characteristics. In addition, it examined the friction characteristics occurring between the cam and tappet by using the dedicated wear tester and found that the friction torque value was reduced significantly through comparison testing with the existing part when the crn+wc/c coating was applied.
AB - The contact in the valve train system is known to be the part subject to significant load in an automobile engine. For such reason, the wear of the contact accounts for the greatest portion of entire friction loss of an engine, leading to the occurrence of abnormal wear. In order to reduce the wear in the valve train, this study first formed a crn layer to increase the bonding force with the base metal using the pvd coating method and then applied a 2-layer coating that formed the wc/c layer with low friction/wear resistance characteristics. In addition, it examined the friction characteristics occurring between the cam and tappet by using the dedicated wear tester and found that the friction torque value was reduced significantly through comparison testing with the existing part when the crn+wc/c coating was applied.
KW - Camshaft
KW - Friction
KW - Friction coefficient
KW - Tappet
KW - Wear
UR - http://www.scopus.com/inward/record.url?scp=56349115997&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=56349115997&partnerID=8YFLogxK
U2 - 10.4028/www.scientific.net/amr.47-50.1470
DO - 10.4028/www.scientific.net/amr.47-50.1470
M3 - Conference contribution
AN - SCOPUS:56349115997
SN - 0878493786
SN - 9780878493784
T3 - Advanced Materials Research
SP - 1470
EP - 1473
BT - Multi-functional Materials and Structures - International Conference on Multifunctional Materials and Structures
PB - Trans Tech Publications
T2 - Multi-functional Materials and Structures - International Conference on Multifunctional Materials and Structures
Y2 - 28 July 2008 through 31 July 2008
ER -