Medium-range magnetostrictive ultrasonic guided wave scanner systems and methods
US10119942B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 12, 2016 |
| Grant date | Nov 6, 2018 |
| Priority date | — |
| Expiry date | Mar 15, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2291/2634
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An inspection system includes a magnetostrictive scanner probe, a ferromagnetic strip, at least one magnet, and a processor. The magnetostrictive scanner probe includes a probe body for supporting at least one flexible sensor coil and a position encoder. The ferromagnetic strip is configured to be coupled to a structure, and the at least one magnet is configured to apply a biasing magnetization to the ferromagnetic strip. The processor is configured to cause a time-varying current to be generated in the at least one flexible sensor coil to induce a time-varying magnetization in said ferromagnetic strip perpendicular to said biasing magnetization to generate shear horizontal-type guided wave energy into said structure, and process reflected shear horizontal-type guided wave energy received by the at least one flexible sensor coil as the probe is moved relative to said structure to generate at least one two-dimensional image of a region of said structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.