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analysis of the waves which have impacted the internal surfaces of the material)."The future prospect of this method is that a product or device will test the “health” of its components by itself.
So the device (aeroplane, car, etc.) no longer needs to be stopped for testing, it will give a signal of the occurrence of a possible defect itself," Martin Lints says.
Large wavelengths penetrate CFRP better, which allows us to "see" further and deeper.
Martin Lints says, "In the doctoral thesis we developed the delayed Time Reversal–Nonlinear Elastic Wave Spectroscopy (delayed TR-NEWS) method, which uses the internal reflections of the material to create focusing of the ultrasonic wave (i.e.
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It is currently used in aerospace industry, sports goods manufacturing, automotive industry (in load-bearing parts of cars, where reduction in weight allows better dynamics and lower fuel consumption) and increasingly in civil engineering (for increasing the load-bearing capacity of structures, such as bridges and buildings)."Although CFRP is lightweight and strong, it may be very susceptible to external mechanical impacts (stress and impacts may cause cracking and delaminations, which may become fatal for a product) and therefore load-bearing CFRP products need to be tested regularly," Martin Lints explains."The thesis focused on the analysis of material properties of CFRP by ultrasonic wave spectroscopy.
Ultrasonic wave spectroscopy is currently the most economical method for nondestructively testing material properties and finding defects, applied in manufacturing industry and also medical imaging.
The opponents were Professor Claes Hedberg (Blekinge Institute of Technology, Sweden) and Professor Patrick Marquié (Université Bourgogne Franche Comté, France).
Svolge regolare attivita’ di referaggio per numerose riviste del settore e congressi internazionali.
Dal marzo 2009 è coordinatore del Dottorato di Ricerca in Ingegneria Elettrica e dell’Informazione presso l’Università di L’Aquila.
Springer (2011) e di 5 libri di testo di Microelettronica Analogica (2005, 2006, 2012).
E’ autore o co-autore di più di 300 pubblicazioni scientifiche.