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公开(公告)号：US11047829B2
公开(公告)日：2021-06-29
申请号：US16343893
申请日：2017-10-24
申请人： SAFRAN
摘要： A method for nondestructive inspection by ultrasound of a bonded assembly is provided. The method comprises two steps, consisting of measuring a thickness of an adhesive joint of the bonded assembly by an ultrasound transducer arranged on the bonded assembly in a determined position, and measuring the degree of adhesion of parts of the bonded assembly by the same ultrasound transducer maintained in the determined position, the degree of adhesion being measured by ZGV Lamb waves.
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公开(公告)号：US10883969B2
公开(公告)日：2021-01-05
申请号：US16094373
申请日：2017-04-21
申请人： SAFRAN
摘要： A system for inspecting a structure with coda acoustic waves, via a given surface (S) that is accessible from the exterior of the structure. The system operates to acoustically excite the structure at least one determined excitation point (Pe1) of the given surface (S) with an ultrasonic pulse of determined form, measure vibrations at least three set measurement points (Pmi) on the given surface (S), during a time window set with respect to the ultrasonic pulse, and exploit the vibration measurements in order to define an indication (Pd) in the structure of at least one possible defect using a coda acoustic-wave signal at each of the measurement points (Pmi).
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公开(公告)号：US20190271665A1
公开(公告)日：2019-09-05
申请号：US16343893
申请日：2017-10-24
申请人： SAFRAN
摘要： A method for nondestructive inspection by ultrasound of a bonded assembly is provided. The method comprises two steps, consisting of measuring a thickness of an adhesive joint of the bonded assembly by an ultrasound transducer arranged on the bonded assembly in a determined position, and measuring the degree of adhesion of parts of the bonded assembly by the same ultrasound transducer maintained in the determined position, the degree of adhesion being measured by ZGV Lamb waves.
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