Monitoring of the process of constitution of a putty coating on a vehicle body with the use of an ultrasonic method
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Poznan University of Technology, Faculty of Machines and Transportation, Institute of Machines and Motor Vehicles ul. Piotrowo 3, 61-138 Poznań
Publication date: 2017-12-20
Diagnostyka 2014;15(4):9-13
Bonds between surfaces and coatings are widely used in the construction of machines and vehicles. Therefore, it is importa nt to prepare a non-destructive method that will allow monitoring of the process of production of elements containing such bonds. The paper contains a description of the testing procedure, materials and devices used for the realization of the experiment. As a result of the experiment, changes in the longitudinal wave reflection coefficient for three areas of bonding were determined, each of which had the surf ace prepared in a different way. It has been found that the ultrasonic method utilizing a longitudinal wave allows monitoring of the process of constitution of the bond between the putty coating and the body surface and enables to determine the curing time of adhesive connection and allows detecting defective adhesive bonds and eliminating them in the stage of production.
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