Internal microstructure evolution of aluminum foams under compression |
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| Affiliation: | 1. Institute of Physics ASCR, Cukrovarnicka 10, Prague, Czech Republic;2. Department of Chemistry, TU Liberec, Studentska 2, 46117 Liberec, Czech Republic;3. Department of Material Chemistry, Angstrom Laboratory, Uppsala University, Uppsala, Sweden;1. Key Laboratory for Liquid–Solid Structural Evolution and Processing of Materials (Ministry of Education), Shandong University, Jinan 250061, China;2. Carbon Fiber Engineering Research Center, Faculty of Materials Science, Shandong University, Jinan 250061, China;1. University of Liege (ULg), Department of Aerospace and Mechanical Engineering, Computational & Multiscale Mechanics of Materials (CM3), Quartier Polytech 1, Allée de la Découverte 9, B-4000 Liège, Belgium;2. University of Liege (ULg), Center for Education and Research on Macromolecules (CERM), Chemistry Department, Quartier Agora, Allée du 6 Août 13, B-4000 Liège, Belgium;3. University of Liege (ULg), Department of Aerospace and Mechanical Engineering, Conception géométrique assistée par ordinateur, Quartier Polytech 1, Allée de la Découverte 9, B-4000 Liège, Belgium;4. Northwestern Polytechnical University (NPU), School of Aeronautics, Xi’an 710072, China;5. University of Liege (ULg), Chemical Engineering Lab, Department of Applied Chemistry, Quartier Agora, Allée du 6 Août 13, B-4000 Liège, Belgium;1. Raja Ramanna Centre for Advanced Technology, Indore, 452013, M.P., India;2. UGC-DAE Consortium for Scientific Research, Khandwa Road, Indore, 452001, M.P. India |
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| Abstract: | In this paper, the internal microstructure deformation of open-cell and closed-cell aluminum foams under compression was investigated by using synchrotron radiation X-ray computed tomography (SR-CT) technique and digital image analysis method. The reconstructed images were obtained by using filtered back projection algorithm based on the original images taken from SR-CT experiments. Several important parameters including cross-section porosity, total porosity and cross-section deformation were computed from the reconstructed images. The variation of these parameters provided useful evolution information of internal microstructure of aluminum foams under compression. |
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