High temperature static strain gage alloy development program. Final report
Technical Report
·
OSTI ID:6296291
The literature, applicable theory and finally an experimental program were used to identify new candidate alloy systems for use as the electrical resistance elements in static strain gages up to 1250K. The program goals were 50 hours of use in the environment of a test stand gas turbine engine with measurement accuracies equal to or better than 10 percent of full scale for strains up to + or - 2000 microstrain. As part of this effort, a computerized electrical resistance measurement system was constructed for use at temperatures between 300K and 1250K and heating and cooling rates of 250K/min and 10K/min. The two best alloys were an iron-chromium-aluminum alloy and a palladium base alloy. Although significant progress was made, it was concluded that a considerable additional effort would be needed to fully optimize and evaluate these candidate systems.
- Research Organization:
- United Technologies Research Center, East Hartford, CT (USA)
- OSTI ID:
- 6296291
- Report Number(s):
- N-87-22179; NASA-CR-174833; NAS-1.26:174833; R-85-915952-13
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360104* -- Metals & Alloys-- Physical Properties
440300 -- Miscellaneous Instruments-- (-1989)
47 OTHER INSTRUMENTATION
ALLOYS
ALUMINIUM ALLOYS
CHROMIUM ALLOYS
DATA
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ENGINES
EXPERIMENTAL DATA
GAS TURBINE ENGINES
HEAT ENGINES
HIGH TEMPERATURE
INFORMATION
INTERNAL COMBUSTION ENGINES
IRON ALLOYS
MEASURING INSTRUMENTS
NUMERICAL DATA
PALLADIUM ALLOYS
PALLADIUM BASE ALLOYS
PHYSICAL PROPERTIES
PLATINUM METAL ALLOYS
RESEARCH PROGRAMS
STRAIN GAGES
TEST FACILITIES
360104* -- Metals & Alloys-- Physical Properties
440300 -- Miscellaneous Instruments-- (-1989)
47 OTHER INSTRUMENTATION
ALLOYS
ALUMINIUM ALLOYS
CHROMIUM ALLOYS
DATA
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ENGINES
EXPERIMENTAL DATA
GAS TURBINE ENGINES
HEAT ENGINES
HIGH TEMPERATURE
INFORMATION
INTERNAL COMBUSTION ENGINES
IRON ALLOYS
MEASURING INSTRUMENTS
NUMERICAL DATA
PALLADIUM ALLOYS
PALLADIUM BASE ALLOYS
PHYSICAL PROPERTIES
PLATINUM METAL ALLOYS
RESEARCH PROGRAMS
STRAIN GAGES
TEST FACILITIES