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UPDATED 1 Sept: The EI library in London is temporarily closed to the public, as a precautionary measure in light of the ongoing COVID-19 situation. The Knowledge Service will still be answering email queries via email , or via live chats during working hours (09:15-17:00 GMT). Our e-library is always open for members here: eLibrary , for full-text access to over 200 e-books and millions of articles. Thank you for your patience.
Performance results and chemical characteristics of a high fraction fluid grease used in tapered roller bearings. C.F. Kernizan.NLGI Spokesm., July 1995, 59(4), 8--14.
A tribological life test apparatus is described and illustrated. It is used to study a high fraction fluid-based grease that has consistently shown very low life performance. The grease contains a lithium complex soap, a phenolic antioxidant, and a high viscosity polydiene base oil. The procedure is described and various analytical techniques are used to examine end-of-test samples. FT i.r. spectroscopy shows that high temperature oxidation of the polydiene base oil is characterized by the disappearance of OH and C=C bands and by the appearance of a C=O band. The observed tribological effects are explained by means of free radical reactions. 15 refs.
Abstract details
Journal title: NLGI Spokesman
Subjects: Mechanical and industrial engineering, Mechanical Engineering, Fuel quality and control, Chemical and petrochemical, Lubricants, Oil and gas, Oil
