Testing the Friction of Sliding Electric Contacts in an Ultrahigh Vacuum Open PDF Document Details Document Type Technical Report Publication Date Aug 21, 1975 Accession Number ADA377841 Entities People F. Aubert H. E. Hintermann M. Maillat R. Rocchi Tags DTIC Thesaurus Topics Accuracy Chemical Composition Coefficients Electric Contacts Electric Current Foreign Technology Friction Hardness Materials Measurement Orientation (Direction) Rings Roughness Slip Rings Surfaces Ultrahigh Vacuum Vacuum