Tensile Testing of Bolted Joints in Pultruded Glass Fibre Reinforced Plastic Profiles

Szabó, Valentin Endre and Kun, Krisztián (2024) Tensile Testing of Bolted Joints in Pultruded Glass Fibre Reinforced Plastic Profiles. ACTA MATERIALIA TRANSYLVANICA (EN), 7 (1). pp. 54-58. ISSN 2601-8799

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Abstract

Machine manufacturing and the automotive industry are often faced with supply chain problems for the raw materials used in the largest proportion (steel and aluminium) and the resulting large price changes. One solution to the lack of raw materials could be the introduction of new materials. Glass-fibre-reinforced plastic (GRP) profiles produced by pultrusion can be suitable for replacing metallic materials in many applications. However, one of the reasons for their limited distribution is the lack of well-established joining processes. The aim of the research is to test the tensile strength of the bolted connection of GRP sheet materials of different thickness according to an experimental design. Based on the experimental results, bolted joint recommendations can be provided for the examined GRP sections.

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