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윤원진(Yoon WonJin),유성춘(Yoo SungChoon),배대윤(Bae DaeYun) 한국자동차공학회 2008 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
Attempts to develop a new test method for chemical stability of lubricants were made by a modified ISOT rig and Taguchi method of L?(2?) orthogonal arrays. Design of experiments showed that some factors such as temperature, NO₂, and catalyst had significant effect on chemical stability of lubricants. Test results from the rig tests were then compared with vehicle tests and the newly developed test method showed close correlation between the bench test and vehicle test in chemical stability of lubricants.