Manufacturing Technology 2021, 21(3):349-356 | DOI: 10.21062/mft.2021.040

Determination of material properties of laminates of 15T and T3 tram faces

Roman Ježdík ORCID...1, Pavel Konopík ORCID...2, Martin Rund ORCID...2, Martin Svoboda ORCID...3, Karel Jelen ORCID...4
1 VÚKV a.s., Bucharova 1314/8, Praha 5 - Stodůlky. Czech Republic
2 COMTES FHT a.s., Průmyslová 995, 33441 Dobřany, Czech Republic
3 Faculty of Mechanical Engineering, J. E. Purkyně University in Ústí nad Labem, Pasteurova 7, 400 96 Ústí nad Labem, Czech Republic
4 FTVS UK, José Mártího 31, Praha 6 - Veleslavín, Czech Republic

The article concerns the testing two thin-walled fiberglass materials. The aim of this work was to perform tensile tests at room temperature in order to determine the stress-relative deformation dependence in selected directions and to compare the properties of each individual material in these directions. Characteristics determined in this way are to be used as inputs in simulation models forming a part of the process of validating the dummy model’s behaviour in simulations of collisions of the tram front with a pedestrian. Tests have been conducted of such properties of those materials used for external panelling of 15T and T3 tram fronts. The knowledge of these properties is crucial in terms of the mentioned validation. The output of the measurement includes tensile diagrams, including the evaluation of the ultimate tensile strength, elastic modulus and relative elongation at the ultimate tensile strength. Also, the conversion of the elastic modulus for the fibreglass with a different fibre volume part is presented.

Keywords: tensile tests, material, properties, laminate, tram
Grants and funding:

The article was created with the contribution by grant UJEP-IGA-TC-2019-48-04-2 and by grant OP VVV CZ.02.1.01/0.0/0.0/16_026/0008401 UK Praha.
Authors of the article 'Possibilities of Using Tram Windscreen Impact Tests in Analysis of Human-Machine Accidents' (December 2019, Vol. 19, No. 6) apologize that the project of the Ministry of Industry and Trade of the Czech Republic TRIO FV20441 'Research and development of Safe Tram Front end' was not published in Acknowledgments. This project supported most of the work presented in this article.

Received: December 14, 2020; Revised: April 13, 2021; Accepted: May 4, 2021; Prepublished online: May 17, 2021; Published: June 7, 2021  Show citation

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Ježdík R, Konopík P, Rund M, Svoboda M, Jelen K. Determination of material properties of laminates of 15T and T3 tram faces. Manufacturing Technology. 2021;21(3):349-356. doi: 10.21062/mft.2021.040.
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