Preliminary examinations of impact strength of adhesive lap joints
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Keywords

adhesive joint, impact strength, pendulum hammer

How to Cite

Komorek, A., Godzimirski, J., Chodurski, D., & Pniewski, R. (2019). Preliminary examinations of impact strength of adhesive lap joints. Technologia I Automatyzacja Montażu (Assembly Techniques and Technologies), 106(4), 13-17. Retrieved from https://czasopisma.prz.edu.pl/tiam/article/view/1013

Abstract

The research into the impact strength of adhesive joints has been carried out since the 1980s, however, so far no universal method has been developed so as to ensure obtaining useful results. The article presents the authors' own methodology of investigating the impact strength of adhesive joints, developed in Polish military universities. The methodology utilizes adhesive lap joint samples as an object of research. The device for conducting the experimental research was a pendulum hammer of the maximum energy equal to 25 J. The tests were conducted on samples, whose elements were made of an aluminium alloy, joined by means of two construction adhesives with significantly different properties (Young's modulus). The test samples were modelled on the samples exploited in the testing of static adhesive joints. As a result of the preliminary investigations, it was found that the proposed methodology can be used to determine the impact strength of adhesive connections. In addition, it was found that there is a clear relationship between adhesive connections and the stiffness of glue which makes the connection.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/)

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References

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