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. More recently, the attention of academia and industry has turned to the multifunctional performance of cellular materials and structures. The emphasis is thus on "deforma Today, the rational combination of materials and design has enabled the development of bio-inspired lattice structures with unprecedented properties to mimic biological features. 90 energy-absorbing layers in protection systems against blast and impact load- 91 ing. The energy absorption capacity of auxetic metamaterials was exponentially scaled with the relative density with the order of 2.5-3. The idea of sandwich structures for energy absorption applications is actually not a new concept. The discussion above is the energy absorption of uniform cellular materials. He developed several advanced experimental techniques as well as numerous numerical models to investigate the mechanical properties and behaviour of biological materials . relative densities of 11.1%, 14.8%, and 18%) absorbs the energy 56.78% higher than that of the homogenous foam 1-1- 1 with 11.1% relative density at the impact side but nearly as the same value of plateau stress at the stationary side. 1. Greater enhancement of the energy absorption density was realized by varying the thicknesses of the LCE beams from top to bottom to ensure sequential buckling. PDF Sandwich Structures for Energy Absorption Applications: A Review (PDF) The Energy Absorption Capability of Composite Materials and ... Rather, they are inspired by nature, e.g., the human skull that comprises two PDF Comparison of Mechanical Properties and Energy Absorption of Sheet ... Hence, even if the dissipation coefficient is large, the total absorption can be weak if most of the wave energy is reflected at the structure-air interface. Energy Absorption in Composite Structures - P.H. Thornton, 1979 In this presentation, a comprehensive overview of re- cent advances in the development of bio-inspired structures for energy absorption applications at the Swinburne Univer- sity Technology, Australia is presented. PDF Comparison of Mechanical Properties and Energy Absorption of Sheet ...
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