Method for the non-destructive ultrasonic testing of a part by echo analysis
US10261054B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 9, 2014 |
| Grant date | Apr 16, 2019 |
| Priority date | — |
| Expiry date | Aug 6, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2291/044
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method for the non-destructive ultrasonic testing of a part by the analysis of echoes returned by the part in response to the emission of an ultrasonic wave via an ultrasonic transducer, includes a step of determining a variable gain curve and a step of correcting the amplitude of the echoes returned by the part according to the variable gain curve and the moments of reception of the echoes. The method further includes steps of: producing a wave function representative of an ultrasonic transducer; producing transfer functions Fm representative of the frequency responses of reference samples Rm of the material forming the part; and calculating reference attenuation values between the wave function and the results of calculations of filtering of the wave function by the respective transfer functions Fm of the reference samples Rm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.