The effect of processing and compositional changes on the tribology of PM212 in air
Conference
·
OSTI ID:10142697
- Case Western Reserve Univ., Cleveland, OH (United States)
- National Aeronautics and Space Administration, Cleveland, OH (United States). Lewis Research Center
The effects of processing and compositional variations on the tribological performance of PM212 were investigated. PM212 is a self-lubricating powder metallurgy composite, comprised of a wear-resistant metal bonded chromium carbide matrix, containing the solid lubricants barium fluoride/calcium fluoride eutectic and silver. Several composites were formulated which had lubricant, matrix, and processing variations. Processing variations included sintering and hot isostatic pressing. Pins fabricated from the composites were slid against superalloy disks in a pinon-disk tribometer to study the tribological properties. Several composites exhibited low friction and wear in sliding against a nickel-based superalloy. The good tribological performance by several different composites showed that the composition of PM212 can be altered without dramatically affecting performance.
- Research Organization:
- National Aeronautics and Space Administration, Cleveland, OH (United States). Lewis Research Center
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- AI01-91CE50306
- OSTI ID:
- 10142697
- Report Number(s):
- DOE/NASA--50306-2; NASA-TM--105945; CONF-9305165--1; ON: DE93011654
- Country of Publication:
- United States
- Language:
- English
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