Abstract
The mechanical performance of honeycomb sandwich structures fabricated with thermoplastic elastomer nylon core and 0D/2D hybrid polymer nanocomposite skin was investigated. The cell sizes were varied from 10 to 36 mm, and mechanical performance was evaluated along out-plane and in-plane orientations. Different tests like sandwich compression, bare core flexural, beam deflection and drop over impact test were carried out. The energy absorption ability of sandwich panels was evaluated by compression and drop weight impact test, and it was effectuated by cell size variation. A close agreement between the test results of the drop weight impact tester and FEM simulation was noted. The analysis of test results confirms that nylon honeycomb core with the variation of cell size possesses both compliance and stiffness besides good energy absorption abilities. The possible area of application includes backing layer in the body armor that can provide protection against blunt trauma and scar.
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The research work is performed in the frame of a project supported by the Science and Engineering Board, Department of Science and Technology, Government of India through a project YSS/2014/001024. Authors also acknowledge the effort of Mr. E. Krushna Murty (Technical assistant, VIT, Amaravati), Mr. Akash Ranjan and Mr. M Laxman Rao (B.Tech students, NIST, Berhampur) for their support in testing.
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Sahu, S.K., Badgayan, N.D., Samanta, S. et al. Evaluation of Cell Parameter Variation on Energy Absorption Characteristic of Thermoplastic Honeycomb Sandwich Structure. Arab J Sci Eng 46, 12487–12507 (2021). https://doi.org/10.1007/s13369-021-05987-9
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DOI: https://doi.org/10.1007/s13369-021-05987-9