Accession Number:

AD0163911

Title:

Method for Preparing Metal Matrix Composites Containing Modified Polytetrafluoroethylene.

Descriptive Note:

Patent,

Corporate Author:

DEPARTMENT OF THE AIR FORCE WASHINGTON D C

Personal Author(s):

Report Date:

1972-07-18

Pagination or Media Count:

3.0

Abstract:

The patent describes a self-lubricating composite. Polytetrafluoroethylene, sold under the trademark Teflon, is modified before being blended with metal powder and formed into a composite. Modification is accomplished by heating the Teflon for 1 to 2 hours at 1,000-1,100F and then for 3 to 3.5 hours at 650 to 750F. Metal matrix composites containing modified Teflon as a filler are useful as retainer materials for bearings which are subjected to high temperature operating conditions.

Subject Categories:

  • Laminates and Composite Materials
  • Lubricants and Hydraulic Fluids

Distribution Statement:

APPROVED FOR PUBLIC RELEASE