Method for ultrasonic detection of hydrogen damage in boiler tubes
US4685334A · kind A · utility
45Cited by
3References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 27, 1986 |
| Grant date | Aug 11, 1987 |
| Priority date | — |
| Expiry date | Jan 27, 2006 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2291/2634
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Angle-beam ultrasonic shear-waves, which are introduced via a pitch-catch technique in the axial and circumferential directions of a boiler tube, are used to detect the presence of hydrogen damage in boiler tubes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.