The use of adhesive bonding technology has been established in automotive industry for some time and there is a need for non-invasive techniques for quality assurance, process control monitoring and the minimization of 'tear down' destructive testing. Although there are many technologies that can used for NDT (non destructive testing), ultrasound has been shown to be a rugged, portable and safe technology in many industries. This paper describes a prototype ultrasonic inspection system for adhesive presence testing and void disbond detection in adhesively bonded metal joints. The challenges of applying ultrasonic techniques for adhesive joint inspection are discussed and signal processing methods for automated feature extraction, and their implementation into a purpose built ultrasonic instrument are described. The system has been designed for use by non specialist personnel and is capable of complex input signal analysis while presenting the operator with simple diagnostic outputs.
An automated non destructive ultrasonic inspection system for adhesively bonded metal joints
Ein automatisches zerstörungsfreies Ultraschall-Prüfsystem für geklebte Metallverbindungen
1998
7 Seiten, 9 Bilder, 2 Quellen
Conference paper
English
An Automated Non Destructive Ultrasonic Inspection System for Adhesively Bonded Metal Joints
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