Failure Investigation of Tubular Adhesive Dissimilar Joint

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Automotive industries are looking for new implementation to deliver a good finishing product to their customer. By using adhesive material, joining against two steel can replace normal technique which is welding process. However, the strength produced by this method must be investigated. The failure investigation of ductile adhesive intended for use in automotive tubular frame chassis has been assessed using simple tubular lap shear joint. There are two different overlap lengths of tubular adhesive joint considered in this test, i.e., 15 mm and 45 mm. The materials used for the adherents were stainless steel and mild steel, while adhesive used in the experiments was Araldite Standard 90 minutes epoxy resin. Tensile test by utilizing universal testing machine (UTM) was carried out to determine the shear strength of the adhesive joint in different overlap length. Fatigue tests were also conducted. From the results it is found that longer overlap length of the adhesive is preferable for use in automotive tubular frame chassis due to higher failure load it can withstand and better fatigue life.

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43-47

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August 2015

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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