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http://dx.doi.org/10.5855/ENERGY.2014.23.2.028

A study on the evaluation of metal component in automatic transmission fluid by vehicle driving  

Lee, Joung-Min (Department of Chemical Engineering, Chungbuk National University)
Lim, Young-Kwan (Research Center, Korea Petroleum Quality & Distribution Authority)
Doe, Jin-Woo (Research Center, Korea Petroleum Quality & Distribution Authority)
Jung, Choong-Sub (Research Center, Korea Petroleum Quality & Distribution Authority)
Han, Kwan-Wook (Research Center, Korea Petroleum Quality & Distribution Authority)
Na, Byung-Ki (Department of Chemical Engineering, Chungbuk National University)
Publication Information
Journal of Energy Engineering / v.23, no.2, 2014 , pp. 28-34 More about this Journal
Abstract
Automatic transmission fluid (ATF) is used for automatic transmissions in the vehicle as the characterized fluid. Recently, the vehicle manufacture usually guarantee for fluid change over 80000~100000 km mileage or no exchange, but most drivers usually change ATF below every 50000 km driving in Republic of Korea. It can cause to raise environmental contamination by used ATF and increase the cost of driving by frequently ATF change. In this study, we investigate the various physical properties such as flash point, fire point, pour point, kinematic viscosity, cold cranking simulator, total acid number, and metal component concentration for fresh and used ATF after driving (50000 km, 100000 km). The result showed that the total acid number, pour point, Fe, Al and Cu component had increased than fresh ATF, but 2 kind of used oil (50000 km and 100000km) had similar physical values and metal component concentration.
Keywords
automatic transmission fluid; exchange cycle; ICP(inductively coupled plasma); fresh oil; used oil; metal component;
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