Assessment of Coating Properties in Car Body by Ultrasonic Method
Source abstract
Abstract
Adhesive bonds, including car putty coatings, are used in the construction of modern motor vehicles. Therefore, it is important to improve methods that allow nondestructive evaluation of the properties of these joints. The main objective of this study was to evaluate selected properties of putty coatings such as the width of the applied coating and adhesion to the substrate based on changes in ultrasonic wave parameters. The research was carried out in two stages. In the first, the values of the surface wave amplitude were determined as a function of the width of the coating to the substrate. It was found that as the width of the coating increases, the amplitude of the surface wave pulse decreases. The second stage involved correlation studies to relate the reflection coefficient |r| to the adhesion of the coating to the substrate. Based on the results, it was found that as the value of the reflection coefficient decreases, the value of the coating’s adhesion to the substrate increases. The determined values of this parameter range from 0.30 to 0.86, which correspond to the adhesion of the range 1.51 to 18.97 MPa. The obtained test results have practical significance and can be used in evaluating the condition of coatings in vehicle body repair shops.
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Research context
OpenAlex topics: Surface Roughness and Optical Measurements · Advanced machining processes and optimization · Material Properties and Processing
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Faculty of Civil and Transport Engineering, Poznan University of Technology, 60-965 Poznan, Poland
Faculty of Electrical Engineering, West Pomeranian University in Szczecin, 70-313 Szczecin, Poland
Faculty of Mechanical Engineering, Poznan University of Technology, 61-138 Poznan, Poland
Faculty of Materials Engineering and Technical Physics, Poznan University of Technology, 61-138 Poznan, Poland
Funding
Ministry of Science · Higher Education
References (33)
Show source-provided references
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