Measuring and testing – Vibration – By mechanical waves
Patent
1997-09-16
1999-08-10
Williams, Hezron
Measuring and testing
Vibration
By mechanical waves
G01N 2904
Patent
active
059361620
ABSTRACT:
A method for the production of ultrasound waves for nondestructive materials testing of a workpiece. The method includes providing at least one radio frequency coil disposed in an essentially uniform magnetic field. The at least one radio frequency coil has a longitudinal axis disposed parallel to a surface of a workpiece. The method also includes producing horizontally polarized transverse ultrasound waves in the workpiece due to an interaction of the magnetic field with eddy currents in the workpiece. The eddy currents are supplied by the at least one radio frequency coil. The invention also teaches a device for implementing the method.
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Lingenberg Dieter
Meier Rainer
Greenberg Laurence A.
Lerner Herbert L.
Moller Richard A.
Siemens Aktiengesellschaft
Williams Hezron
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