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HomeKey Engineering MaterialsKey Engineering Materials Vol. 867Non-Monotonous Effect of Adhesive Thickness on The...

Non-Monotonous Effect of Adhesive Thickness on The Dynamic Stiffness of Adhesive Butt Joint

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Abstract:

This research investigated the effect of the thickness of adhesive to the stiffness (Young’s modulus) of adhesive butt joint at high strain rate loading. A split Hopkinson pressure bar (SHPB) test is used to obtain the stress-strain response of join specimen at strain rate of 530±10 s^-1. The joint is composed of aluminum adherend bonded by epoxy adhesive with 0.5, 1, 2, and 3 millimeter of thickness variation. The results show that the joint deformed elastically and the stiffness increases with the increase of adhesive thickness. However, the rate at which the stiffness increases with thickness decreases at thick adhesive layer. The facts of this research are important for the improvement of the crashworthiness of structure such as automobile structures.

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Mechanical Engineering: Advanced Materials Processing Technology

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Periodical:

Key Engineering Materials (Volume 867)

Pages:

188-195

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.867.188

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Online since:

October 2020

Authors:

Yohanes Yohanes*, Agus Sigit Pramono, Adib B. Hudayya

Keywords:

Adhesive Joint, Adhesive Thickness, Dynamic Stiffness, Epoxy, High Strain-Rate Load, Split Hopkinson Bar

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© 2020 Trans Tech Publications Ltd. All Rights Reserved

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