Reference : Comparing the mechanical performance of synthetic and natural cellular materials
Scientific journals : Article
Engineering, computing & technology : Mechanical engineering
http://hdl.handle.net/2268/214620
Comparing the mechanical performance of synthetic and natural cellular materials
English
Fernandes, F.A.O. mailto [Universidade de Aveiro > Departamento de Engenharia Mecânica > > >]
Tomé Jardin, Ruben Antonio mailto [Université de Liège > Département ArGEnCo > Département Argenco : Secteur MS2F >]
Pereira, A.B. mailto [Universidade de Aveiro > Departamento de Engenharia Mecânica > > >]
Alves de Sousa, R.J. mailto [Universidade de Aveiro > Departamento de Engenharia Mecânica > > >]
15-Jun-2015
Materials & Design
82
335–341 Contents
Yes
International
1873-4197
[en] his work compares the mechanical performance of agglomerated cork against synthetic materials typ- ically used as impact energy absorbers. Particularly, the study will focus on the expanded polystyrene (EPS) and expanded polypropylene (EPP). Firstly, quasi-static compression tests are performed in order to assess the energy storage capacity and
to characterize the stress–strain behavior cellular materials under study. Secondly, guided drop tests are performed to study the response of these materials when subjected to multiple dynamic loading (two impacts). Thirdly, finite element analysis (FEA) is carried out in order to simulate the compressive behav- ior of the studied materials under dynamic loading. Results show that agglomerated cork is an excellent alternative to the synthetic materials. Not only for
being a natural and sustainable material but also for withstanding considerable impact energies. In addi- tion, its capacity to keep some of its initial properties after loading (regarding mechanical properties and dimensions) makes this material highly desirable for multiple-impact applications.
http://hdl.handle.net/2268/214620
10.1016/j.matdes.2015.06.004

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