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A platform for research: civil engineering, architecture and urbanism
Aluminum Foam-Filled Circular-Triangular Nested Tubes Under Impact
A novel aluminum foam-filled circular-triangular nested tube (AFCTNT) energy absorber was developed, and its energy absorption behavior under impact load was experimentally and numerically studied. Drop-weight impact tests on the AFCTNT energy absorbers with different volumes of aluminum foam filler were first conducted to obtain their energy absorption parameters, force–displacement responses and deformation modes. In addition, numerical studies on AFCTNT energy absorbers were also carried out, and the specific energy absorptions of nested tubes and aluminum foam were obtained to further reveal their energy absorption performances. Experimental results indicated that the deformation modes of AFCTNT energy absorbers were evidently influenced by the volume of aluminum foam filler. Moreover, the energy absorption performances of AFCTNT energy absorbers were found to be significantly improved by filling aluminum foam in terms of higher energy absorption, specific energy absorption, mean crushing force and crushing force efficiency. Both experimental and numerical results demonstrated that the AFCTNT energy absorber with fully-filled aluminum foam outperformed the other AFCTNT energy absorbers owing to more significant interaction effect between the nested tubes and aluminum foam.
Aluminum Foam-Filled Circular-Triangular Nested Tubes Under Impact
A novel aluminum foam-filled circular-triangular nested tube (AFCTNT) energy absorber was developed, and its energy absorption behavior under impact load was experimentally and numerically studied. Drop-weight impact tests on the AFCTNT energy absorbers with different volumes of aluminum foam filler were first conducted to obtain their energy absorption parameters, force–displacement responses and deformation modes. In addition, numerical studies on AFCTNT energy absorbers were also carried out, and the specific energy absorptions of nested tubes and aluminum foam were obtained to further reveal their energy absorption performances. Experimental results indicated that the deformation modes of AFCTNT energy absorbers were evidently influenced by the volume of aluminum foam filler. Moreover, the energy absorption performances of AFCTNT energy absorbers were found to be significantly improved by filling aluminum foam in terms of higher energy absorption, specific energy absorption, mean crushing force and crushing force efficiency. Both experimental and numerical results demonstrated that the AFCTNT energy absorber with fully-filled aluminum foam outperformed the other AFCTNT energy absorbers owing to more significant interaction effect between the nested tubes and aluminum foam.
Aluminum Foam-Filled Circular-Triangular Nested Tubes Under Impact
Wang, Yonghui (author)
Innovations in Impact and Blast Protections ; Chapter: 3 ; 75-94
2022-08-24
20 pages
Article/Chapter (Book)
Electronic Resource
English
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