Investigation into the failure cause of a double-acting, leading-edge-groove, tilting-pad thrust bearing. Final report, Feb-Aug 90

Technical Report · Mon Oct 01 00:00:00 EDT 1990

OSTI ID:5343911

Peterson, B K

This report describes the results of bench tests simulating operation and failure of a thrust bearing used in a gas turbine engine compressor development test rig. The bearing was a double acting, tilting pad with offset pivot, leading edge groove configuration using an AMS 4928 titanium collar and C18200 copper-chrome alloy pads with a No. 2 babbitt face. The bench tests successfully simulated the bearing failure and demonstrated a materials incompatibility. This was supported by visual examination, scanning electron microscopy and X-ray energy spectroscopy. A comparison of the bench test results to the compressor rig bearing failure is provided to support the report conclusions.

• Research Organization: Air Force Wright Research and Development Center, Wright-Patterson AFB, OH (United States)
• OSTI ID: 5343911
• Report Number(s): AD-A-235613/7/XAB; WRDC-TR-90-2120
• Country of Publication: United States
• Language: English

Related Subjects

42 ENGINEERING
36 MATERIALS SCIENCE
BEARINGS
FAILURE MODE ANALYSIS
CHROMIUM ALLOYS
COMPATIBILITY
COMPRESSORS
GAS TURBINE ENGINES
COPPER ALLOYS
TITANIUM ALLOYS
ABRASION
ADHESION
FAILURES
FRICTION
LUBRICATION
TEST FACILITIES
ALLOYS
ENGINES
HEAT ENGINES
INTERNAL COMBUSTION ENGINES
SYSTEM FAILURE ANALYSIS
SYSTEMS ANALYSIS
420500* - Engineering- Materials Testing
360103 - Metals & Alloys- Mechanical Properties