Methodology of Testing for Aluminium Honeycomb Impact Attenuator in Quasi-Static Conditions and Influence of Supporting Structures

• Autorzy: Tracz Jan , Rządkowski Witold , Majewski Tadeusz , Meraz Melo Marco Antonio , Cisowski Adam , Zawiśliński Krzysztof , Urbański Dawid , Figurski Aleksy , Ładyżyńska-Kozdraś Edyta

Identyfikatory

DOI

10.12913/22998624/193424

• Języki publikacji: EN

Abstrakty

EN

This paper examines the influence of two different supports, i.e., composite and steel, on the results obtained during a quasi-static crush test of an aluminum alloy honeycomb impact attenuator. It’s part of a vehicle that competes in the Formula Student series and requires safety tests to be eligible to participate in events. The attenuator is tested in two configurations – first with a rigid steel support base and second – with a composite support base, which represents a realistic replica of the first 50mm of carbon fiber monocoque used in a vehicle. The composite base is less stiff and must be tested with the impact attenuator as it is a possible safety weak point. The testing machine was an Instron 8516 set to a 60mm/min feed speed with a sampling rate of 1kHz. The results showed that the values of energy absorbed were higher (7983.9J to 8732.1J) for the case with a composite base support, whereas the average forces were similar (about 50kN). This suggests that a more realistic scenario allows for a higher safety margin rather than a decrease in it. The recommendation is to address the possible energy cumulation as elastic deformation (spring-back effect), which might be unwanted. Further studies could include dynamic testing and other attenuator designs.

Słowa kluczowe

EN

FSAE; impact attenuators; aluminum alloy honeycomb; quasistatic; impact engineering

• Wydawca: Lublin University of Technology ; Polish Society of Ecological Engineering (PTIE), Branch of PTIE in Lublin
• Czasopismo: Advances in Science and Technology. Research Journal
• Rocznik: 2024
• Tom: Vol. 18, no. 8
• Strony: 46--55
• Opis fizyczny: Bibliogr. 38 poz., fig., tab.

Twórcy

autor

Tracz Jan

• Institute of Aeronautics and Applied Mechanics, Warsaw University of Technology, Nowowiejska 24, 00-665 Warsaw, Poland

• https://orcid.org/0000-0002-7764-3755

autor

Rządkowski Witold

• Institute of Aeronautics and Applied Mechanics, Warsaw University of Technology, Nowowiejska 24, 00-665 Warsaw, Poland

• https://orcid.org/0000-0002-8586-2966

autor

Majewski Tadeusz

• Institytuto Tecnologico de Puebla, Del Tecnológico 420, Corredor Industrial la Ciénega, 72220 Heroica Puebla de Zaragoza, Mexico

• https://orcid.org/0000-0001-9535-0027

autor

Meraz Melo Marco Antonio

• Institytuto Tecnologico de Puebla, Del Tecnológico 420, Corredor Industrial la Ciénega, 72220 Heroica Puebla de Zaragoza, Mexico

• https://orcid.org/0000-0003-1331-7595

autor

Cisowski Adam

• Institute of Aeronautics and Applied Mechanics, Warsaw University of Technology, Nowowiejska 24, 00-665 Warsaw, Poland

• https://orcid.org/0000-0003-4066-6598

autor

Zawiśliński Krzysztof

• Institute of Aeronautics and Applied Mechanics, Warsaw University of Technology, Nowowiejska 24, 00-665 Warsaw, Poland

• https://orcid.org/0000-0002-3510-7188

autor

Urbański Dawid

• Institute of Aeronautics and Applied Mechanics, Warsaw University of Technology, Nowowiejska 24, 00-665 Warsaw, Poland

• https://orcid.org/0000-0002-1010-9363

autor

Figurski Aleksy

• Institute of Aeronautics and Applied Mechanics, Warsaw University of Technology, Nowowiejska 24, 00-665 Warsaw, Poland

• https://orcid.org/0000-0003-2584-8908

autor

Ładyżyńska-Kozdraś Edyta

• Institute of Micromechanics and Photonics, Warsaw University of Technology, Św. Andrzeja Boboli 8, 02-525, Warsaw, Poland

• https://orcid.org/0000-0002-4014-6982

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr POPUL/SP/0154/2024/02 w ramach programu "Społeczna odpowiedzialność nauki II" - moduł: Popularyzacja nauki (2025).