NONDESTRUCTIVE EVALUATION OF HYBRID BEARING CERAMIC ROLLERS USING PROCESS COMPENSATED RESONANT TESTING (PCRT)

We have used Process Compensated Resonant Testing (PCRT) for studying structural integrity and functional performance of ceramic balls used in various auxiliary power units (APUs), propulsion engines, and defense and space missiles. The results show that PCRT is successful in sorting acceptable part...

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Bibliographic Details
Main Authors: Singh, Surendra, Jauriqui, Leanne, Sloan, Trista
Format: Conference Proceeding
Language:English
Subjects:
BEARINGS
CERAMICS
CRACKS
DEFECTS
DIELECTRIC MATERIALS
EVALUATION
FERROELECTRIC MATERIALS
MATERIALS
MATERIALS SCIENCE
MATERIALS TESTING
MICROSTRUCTURE
NONDESTRUCTIVE TESTING
PATTERN RECOGNITION
SOUND WAVES
TESTING
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Summary:We have used Process Compensated Resonant Testing (PCRT) for studying structural integrity and functional performance of ceramic balls used in various auxiliary power units (APUs), propulsion engines, and defense and space missiles. The results show that PCRT is successful in sorting acceptable parts from parts with defects such as micro-structural changes, C-cracks, and scuffs. However, PCRT suffers from limitations, generally not determining the type, size or location of the anomaly. The pursuit of improvements to PCRT is an on-going process.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.3362888