Experimental Research on the Influence of Structural  Modifications of Adherends on the Load - Bearing  Capacity of Lap Joints of S235JR Steel Sheets

Władysław Zielecki; Katarzyna Łabno; Ryszard Perłowski; Łukasz Bąk; Tomáš  Katrňák

doi:10.7862/rm.2023.1

Vol 40 No 1 (2023), Articles

Vol 40 No 1 (2023)

Experimental Research on the Influence of Structural Modifications of Adherends on the Load - Bearing Capacity of Lap Joints of S235JR Steel Sheets

Articles

https://doi.org/10.7862/rm.2023.1

Published January 12, 2023

Władysław Zielecki⁺⁻
Katarzyna Łabno⁺⁻
Ryszard Perłowski⁺⁻
Łukasz Bąk⁺⁻
Tomáš Katrňák⁺⁻

Władysław Zielecki

Rzeszow University of Technology, Department of Manufacturing and Production Engineering, Faculty of Mechanical Engineering and Aeronautics

https://orcid.org/0000-0002-7864-5525

Katarzyna Łabno

Zakłady Mechaniczne Tarnów S.A.

Ryszard Perłowski

Rzeszow University of Technology, Department of Manufacturing and Production Engineering, Faculty of Mechanical Engineering and Aeronautics

https://orcid.org/0000-0002-6633-6215

Łukasz Bąk

Rzeszow University of Technology, Department of Materials Forming and Processing, Faculty of Mechanical Engineering and Aeronautics

https://orcid.org/0000-0001-8164-3160

Tomáš Katrňák

Brno University of Technology, Institute of Aerospace Engineering

https://orcid.org/0000-0002-6213-3875

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Keywords

adhesive joints
structural modification
static shear test
S235JR steel

How to Cite

Zielecki, W., Łabno, K., Perłowski, R., Bąk, Łukasz, & Katrňák, T. (2023). Experimental Research on the Influence of Structural Modifications of Adherends on the Load - Bearing Capacity of Lap Joints of S235JR Steel Sheets. Advances in Mechanical and Materials Engineering, 40(1), 5-13. https://doi.org/10.7862/rm.2023.1

Abstract

The paper presents the results of the research determining the impact of structural modifications of adherends on the load capacity of the joints determined in the static shear test. Tests of adhesive lap joints of S235JR steel sheets bonded with Araldite 2014-2 epoxy adhesive are described. The influence of technologically simple structural modifications was investigated; it consisted in making notches and holes at the leading edge of the adherends. These modifications were aimed at bringing about local flexibility of the joint in the sensitive area of stress concentration. Based on experimental studies, it was shown that there is a possibility of increasing the load-bearing capacity of the joint due to the applied modifications; in the most favorable variant, an increase in the load-bearing capacity by 15.9% compared to the base variant was demonstrated. The tests confirmed that the notches filled with the adhesive in the front part of the adherends can significantly improve the strength properties of joint, while the considered modifications in the form of holes do not have a significant impact on the properties of the adherends.

https://doi.org/10.7862/rm.2023.1

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