Porous nanoframes of sulfurized NiAl layered double hydroxides and ... The triply periodic minimal surface (TPMS) method is a novel approach for lattice design in a range of fields, such as impact protection and structural lightweighting. PDF International Journal of Innovative Research in Science, Engineering ... Crashworthiness of foam-filled columns is the focus of research for the last two decades due to the development of metallic foam materials. Today, the rational combination of materials and design has enabled the development of bio-inspired lattice structures with unprecedented properties to mimic biological features. Energy-absorbing materials and structures When it comes to energy absorption in a dynamic load case, two general options are possible for structural design and structural performance. Rather, they are inspired by nature, e.g., the human skull that comprises two Energy is absorbed as the cell walls bend plastically, or buckle, or fracture (depending on the material of which the foam is made), but the stress is limited by the long, flat plateau of the stress-strain curve (Figs. The objective of the present work is to investigate the possibility of improving both stiffness and energy absorption in interlocking, architectured, brittle polymer blocks through hierarchical design. McKown et al. These structures will significantly advance microelectronic, biomedical and photonic devices . 3. The crashworthiness of a material is expressed in terms of its specific energy absorption, ES, and interlaminar fracture toughness, GIC, which are characteristic to that particular material. Simply select your manager software from the list below and click on download. It describes the engineering background of energy absorption of materials and structures and specifies the general requirements of impact energy absorbers. Metallic three-dimensional lattice structures exhibit many favorable mechanical properties including high specific strength, high mechanical efficiency and superior energy absorption capability, being prospective in a variety of engineering fields such as light aerospace and transportation structures as well as impact protection apparatus.
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