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저마찰 박막코팅 적용 타펫 부품의 마찰특성에 관한 연구A Study on the Friction Characteristics of Tappet by Low Friction Coating
- Other Titles
- A Study on the Friction Characteristics of Tappet by Low Friction Coating
- Issue Date
- 2009
- Publisher
- 한국트라이볼로지학회
- Keywords
- 마찰; 물리증착법; 캠샤프트; 타펫; friction; PVD; camshaft; tappet; friction; PVD; camshaft; tappet
- Citation
- 한국트라이볼로지학회지, v.25, no.4, pp.265 - 269
- Indexed
- KCI
- Journal Title
- 한국트라이볼로지학회지
- Volume
- 25
- Number
- 4
- Start Page
- 265
- End Page
- 269
- ISSN
- 2713-8011
- Abstract
- The wear of the contact in the tappet accounts for the greatest portion of entire friction loss of an engine, leading to the occurrence of abnormal wear. The coated specimens for cam-tappet wear test were producted by using PVD-Sputtering coating method. It examined the friction characteristics occurring between the cam and the tappet by using the dedicated wear tester and found that the friction torque value was reduced through comparison testing with the existing part when the low friction coating was applied. So application of the low friction coating to actual vehicles will reduce the fuel economy and occurrence of noise-vibration.
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