Method for generating the eddy current signature of a flaw in a tube proximate a contiguous member which obscures the flaw signal
US4194149A · kind A · utility
22Cited by
2References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 15, 1977 |
| Grant date | Mar 18, 1980 |
| Priority date | — |
| Expiry date | Dec 15, 1997 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N27/9046
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method for deriving the eddy current signature of a flaw in a tube proximate a contiguous member which is obscured in the composite signature of the flaw and contiguous member by subtracting from the composite signature a reference eddy current signature generated by a facsimile of the tube and contiguous member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.