Friction and Wear Characteristics of Polyimide and Filled Polyimide Compositions in Vacuum (10(exp -10) mm Hg).
Abstract
The friction and wear characteristics of polyimide and filled polyimide compositions were examined in a vacuum environment (10(exp -10) mm Hg). Copper-filled (to 50 weight percent) compositions as well as graphite- and molybdenum-disulfide-filled compositions were studied. The results of the investigation indicate that, to obtain effective lubrication (low friction and wear), a transfer of the polyimide film to the mating surface must be achieved. In its absence, high friction occurred with all polyimide materials. With copper addition, a minimum in wear rate was obtained at 30 weight percent copper. Both friction and wear increased with the addition of graphite as a filler to the polyimide. With the addition of molybdenum disulfide, marked decreases in both friction and wear occurred.
Document Details
- Document Type
- Technical Report
- Publication Date
- Feb 01, 1966
- Accession Number
- ADA310400
Entities
People
- Donald H. Buckley
Organizations
- Glenn Research Center