Simulation of a three-point bending test on the isolated cell wall of aluminium foam

0396113 - ÚTAM 2014 RIV GB eng C - Conference Paper (international conference)
Doktor, T. - Kytýř, Daniel - Zlámal, Petr - Fíla, Tomáš - Koudelka_ml., Petr - Jiroušek, Ondřej
Simulation of a three-point bending test on the isolated cell wall of aluminium foam.
Proceedings of the Fourteenth International Conference on Civil, Structural and Environmental Engineering Computing. Kippen: Civil-Comp Press, 2013 - (Topping, B.; Iványi, P.). Civil-Comp Proceedings, 102. ISBN 978-1-905088-57-7. ISSN 1759-3433.
[International Conference on Civil, Structural and Environmental Engineering Computing /14./. Cagliari (IT), 03.09.2013-06.09.2013]
R&D Projects: GA ČR(CZ) GAP105/12/0824
Institutional support: RVO:68378297
Keywords : aluminium foam * material identification * inverse finite element modeling * isolated cell-wall
Subject RIV: JI - Composite Materials

This paper describes the determination of the elasto-plastic properties of base ma- terial of aluminium foam Alporas. Three point bending experiments at the micro- scale level in conjunction with inverse finite element simulation were performed. In the cellular structure cell-walls with planar shape were identified and vicinity of such walls was extracted. Harvested material was embedded into transparent rosin to avoid plastic deformation during the manipulation and the selected wall was extracted. The specimens were finalized by grinding and polishing to achieve approximately rectan- gular shape. Three projections were acquired using a scanning electron microscope (SEM) and a volumetric model of the samples was developed using a semiautomatic image processing tool. A micro-scale three-point bending test of semi-prismatic spec- imens extracted from the cell-wall was performed using a custom designed loading device.
Permanent Link: http://hdl.handle.net/11104/0229397