Strain and temperature measurement
US4924100A · kind A · utility
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Key dates
| Filing date | May 11, 1988 |
| Grant date | May 8, 1990 |
| Priority date | — |
| Expiry date | May 11, 2008 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01L1/25
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method of non-invasively measuring strain and temperature of an object, substantially simultaneously, using neutrons of selected energy levels is described. A pulsed neutron source is made to emit thermal and epithermal neutrons in a collimated beam directed at a target object. Temperature is monitored by observing the thermal Doppler broadening of resonances in the neutron transmission characteristic for the epithermal neutrons and strain is measured from observations made of changes to the thermal neutron diffraction pattern.
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