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| Number | Title | Issue Date |
| 7516664 | Method for the ultrasound testing of a workpiece within a curved region of its surface and device suitable for the execution of the process In a method for the ultrasonic testing of a workpiece (2) in a curved area of its surface, in particular of a workpiece (2) made of a fiber composite material, an ultrasonic test head (10) is acoustically coupled to the workpiece in this area, a... | 04/14/2009 |
| 7010980 | Method of determining the porosity of a workpiece The porosity of a workpiece, in particular a workpiece made of a fiber composite material is determined. An ultrasonic signal is injected into the workpiece and an ultrasonic echo signal is received from the workpiece. The variation of the amplitude of the ultrasoni... | 03/14/2006 |
