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Testing of composite panels used as components of a freight wagon by thermovision

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In this paper research methods for detection of laminate panels damage were presented. The most common damage is: matrix cracking laminate interlayer damage to joints, connecting cracks, delamination and fiber breakage. The tested laminates will be used as assemblies and sub-assemblies of freight wagon. Other methods of modeling of machines by means of transducers are shown in Płaczek (2012, 2015) and Białas (2010). As part of the project authors were collaborated with specialists from other research centers and scientific research (Bocian and Kulisiewicz, 2013). As a part of future work the places where we will be able to replace the standard materials by parts made of laminate will be shown. Layered composites despite many advantages have also disadvantages. From last mentioned it is a relatively low resistance to transverse impact. When the laminate is used as a decorative element, its small damage is not a problem. The problems start when the composite satisfies more responsible tasks such as: is a part of the technical means for example of a railway wagon. Aspect of continuous monitoring of the technical state of the laminate is very important. Current technology provides numerous opportunities for non-destructive methods of technical inspections. In this paper method for testing of large areas, completely non-contact, based on the methods of thermography, was presented. It consists heating by using the composite tubes and examining it through a thermal imaging camera. Length of heating, and consequently the temperature to which the laminate is heated mostly were chosen experimentally. During the measurements, the camera measures the intensity of radiation, not temperature. Received thermogram is not always a precise representation of the actual temperature, because the camera does not reach only the radiation from tested object, but also reaches the radiation coming from the environment and reflected objects etc. As part of the research authors also we undertook other work related to Mechanical Engineering (Wróbel et al., 2008, 2010, 2012, 2013, 2015; Płaczek et al., 2014). Cooperation with other national and European centers has contributed to many publications of authors for example Tuma et al. (2013, 2014) and Jamroziak and Kosobudzki (2014).
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Bibliogr. 21 poz., tab., rys.
  • Faculty of Mechanical Engineering, Silesian University of Technology, ul. Konarskiego 18A, 44-100 Gliwice, Poland
  • Faculty of Mechanical Engineering, Silesian University of Technology, ul. Konarskiego 18A, 44-100 Gliwice, Poland
  • Faculty of Mechanical Engineering, Silesian University of Technology, ul. Konarskiego 18A, 44-100 Gliwice, Poland
  • 1. Białas K. (2010), Passive and Active Elements in Reduction of Vibrations of Torsional Systems, Mechatronic Systems and Materials:Mechatronic Systems and Robotics, Solid State Phenomena, Vol.164, 260-264.
  • 2. Bocian M., Kulisiewicz M. (2013), Method of identifying nonlinear characteristic of energy dissipation in dynamic systems with one degree of freedom, Archives of Civil and Mechanical Engineering, Vol. , 14 (3), pages 354-359.
  • 3. Buchacz A., Wróbel A. (2010), Computer-aided analysis of piezoelectric plates, Solid State Phenomena, Vol. 164, 239-242.
  • 4. Buchacz A., Banaś W., Płaczek M. (2015), Influence of the excitation parameters of the mechanical subsystem on effectiveness of energy harvesting system, IOP Conf. Series: Materials Science and Engineering, 95, pages 1-6.
  • 5. Buchacz A., Płaczek M. (2014), Modelling of passive vibration damping using piezoelectric transducers – the mathematical model, Eksploatacja i Niezawodnosc, Vol. 16 (2), 301–306.
  • 6. Buchacz A., Płaczek M., Wróbel A. (2013), Control of characteristics of mechatronic systems using piezoelectric materials, Journal of Theoretical and Applied Mechanics, Vol. 51, 225-234.
  • 7. Dymarek A., Dzitkowski T. (2005), Modelling and synthesis of discrete – continuous subsystems of machines with damping, Journal of Materials Processing Technology, Vol. 164-165, 1317-1326.
  • 8. Jamroziak K., Kosobudzki M. (2012), Determining the torsional natural frequency of underframe of off-road vehicle with use of the procedure of operational modal analysis, Journal of Vibroengineering, Vol. 14(2), 472-476.
  • 9. Klarecki K., Hetmańczyk M., Rabsztyn D. (2015), Influence of the selected settings of the controller on the behavior of the hydraulic servo drive, Mechatronics - Ideas for Industrial Application. Advances in Intelligent Systems and Computing, Vol. 317, 91-100.
  • 10. Ociepka P., Herbuś K., Gwiazda A. (2014), Application of the method basing on engineering knowledge and experience for adding the hexapod design process, Advanced Materials Research, Vol. 1036, 1005-1010.
  • 11. Płaczek M. (2012), Dynamic characteristics of a piezoelectric transducer with structural damping, Solid State Phenomena, Vol. 198, 633-638.
  • 12. Płaczek M. (2015), Modelling and investigation of a piezo composite actuator application, Int. J. Materials and Product Technology, Vol. 50(3/4), 244-258.
  • 13. Płaczek M., Wróbel A., Baier A. (2015), Computer-aided strength analysis of the modernized freight wagon, IOP Conf. Series: Materials Science and Engineering, 95, pages. 1-6.
  • 14. Szczepanik M., Stabik J., Wróbel G., Wierzbicki Ł. (2008), The use of thermal imaging systems for testing of polymeric materials, Modelowanie Inżynierskie, 5(36), 279-286 (in Polish).
  • 15. Tuma J., Mahdal M., Suranek P. (2013), Simulation Study of the non-colocated control of a cantilever beam, Mechanics and Control, Vol. 32, 110-116.
  • 16. Tuma J., Simek J., Skuta J., Los J. (2013), Active vibration control of journal bearings with the use of piezoactuators, Mechanical Systems and Signal Processing, Vol. 36, 618-629.
  • 17. Tuma T., Suranek P., Mahdal M., Babiuch M. (2014), Simulation of the parametric excitation of the cantilever beam vibrations, 15th International Carpathian Control Conference (ICCC), Velke Karlovice, Czech Republic.
  • 18. Wróbel A. (2012), Kelvin Voigt’s model of single piezoelectric plate, Journal of Vibroengineering, Vol. 14(2), 534-537.
  • 19. Wróbel A.(2015), Analysis of possibility of applying the PVDF foil in industrial vibration sensors, IOP Conf. Series: Materials Science and Engineering, 95, pages 1-5.
  • 20. Wróbel A., Płaczek M., Buchacz A., Majzner M. (2015), Study of mechanical properties and computer simulation of composite materials reinforced by metal, Int. J. Materials and Product Technology, Vol. 50(3/4), 259-275.
  • 21. Wróbel A., Langer P. (2015), Designing of robotic production lines using CAx software, IOP Conf. Series: Materials Science and Engineering, 95 (2015), pages 1-6.
Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę.
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