supported by the Ph.D. Programs Foundation of Ministry of Education of China (Grant No. 20100007120010);the Tribology Science Fund of State Key Laboratory of Tribology (Grant No. SKLTKF11A05);Science Foundation of China University of Petroleum,Beijing (GrantNo. KYJJ2012-04-17)
Oil-in-water (O/W) emulsions are widely used in metal working such as hot rolling and cutting. Three kinds of O/W emulsions with low oil concentration were prepared which include conventional emulsion (CE), miniem...