Influence of axial and oblique impact loads on crush response properties of square tube structures made with FRP pultruded composites

Perowansa, Parukaa and Mohd Kamal, Mohd Shah and Md Abdul, Mannan (2013) Influence of axial and oblique impact loads on crush response properties of square tube structures made with FRP pultruded composites. In: 2013 1st Malaysian International Tribology Conference, MITC 2013;, 18 November 2013 through 20 November 2013, Kota Kinabalu, Sabah; Malaysia.

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Abstract

There is a great interest on a structure, especially automotive structure to absorb large energy to reduce collision. In the collision, crush might occur axially, obliquely, laterally or diametrically. In this research, axial and oblique impact loads are considered using INSTRON 8801 Impact Testing Machine with 100 kN load capacity. The required energy absorption to collapse the square tube made by fiber E-glass and polyester composite is examined. Four specimens having same dimension are chamfered at 45° at top end to form trigger mechanism. The quasi-static impact stacking sequences with four angles are applied on each specimen to observe the crush behaviours. From the results, the more crushing composite tubes undergoes before collapse occurs, the more energy the tube material and structure absorbs. It is also found that the energy absorbed in the square tube is decreased significantly when the impact angle is raised.

Item Type: Proceeding (Paper)
Uncontrolled Keywords: Absorbing energy, Collapse mechanism, Composite square tubes, Crashworthiness indicators, Thick-walled structure, unimas, university, universiti, Borneo, Malaysia, Sarawak, Kuching, Samarahan, ipta, education, research, Universiti Malaysia Sarawak
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Academic Faculties, Institutes and Centres > Faculty of Engineering
Depositing User: Saman
Date Deposited: 07 Jun 2017 00:42
Last Modified: 07 Jun 2017 00:43
URI: http://ir.unimas.my/id/eprint/16525

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