Tribological Characteristics of Chemically Inactive Surfaces in Lubricants Doped with Cholesterol and Fatty Acid Compounds

摘要: It is found that in inactivated vaseline oil, with the addition of oleic acid, glass samples characterized by destruction contacting surfaces and a significant increase coefficient friction are set almost at same load 0.9 to 1.2 MPa. The liquid-crystal cholesterol compounds an lubricant during chemically inactive (glass) leads not only decrease but also capacity. For example, additive 3.0 wt % acid ester oil increases loading capacity six seven times when rubbed against compared medium containing acid. At time, using scanning electron microscopy profilometry loads more than 4 MPa, formation microgrooves on rubbing surfaces, which do affect characteristics stability friction, established. results obtained can be effectively used processing such as glass, ruby, diamond watch, industries.