Auger spectroscopy analysis of lubrication with zinc dialkyldithiophosphate of several metal combinations in sliding contact
Donald H. Buckley, United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch, Lewis Research Center
National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1979 - Science - 19 pages
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30 centimeters Aeronautics and Space aluminum rider aluminum sliding aluminum transfer antiwear additive Auger analyzer Auger electron beam Auger emission spectroscopy Auger peak intensities Auger spectra Auger spectroscopy data beam induced desorption carbon centimeters per minute coefficient of friction containing thin film copper disk surface data for aluminum data of figure decrease desorption of zinc dialkyldithiophosphate in hexane diluted film disk specimen electron beam induced electron gun experiments were conducted Figure 11 film of ZDP Friction and Auger friction coefficient g Figure gimbal increasing load iron disk surface iron peaks Lewis Research Center metal contact metal to metal molybdenum monitor NASA oxygen percent zinc dialkyldithio percent zinc dialkyldithiophosphate phosphorus presented in figure rhodium disk rider sliding rider specimen sliding contact Sliding friction experiments Sliding velocity Space Administration sulfur surface chemistry surface concentration temperature tion coefficient titanium disk transition metals tungsten vacuum system various loads wear track ZDP film zinc dialkyldithiophosphate ZDP