Experimental and numerical study of the elastic properties of PMI foams
作者： Jie Wang , Hai Wang , Xiuhua Chen , Yin Yu
DOI: 10.1007/S10853-010-4250-9
关键词:
摘要: The elastic properties of polymethacrylimide (PMI) foams were investigated experimentally and numerically. Standard tests carried to measure the mechanical ROHACELL® WF RIST grades foams. tetrakaidekahedral unit cell was adopted generate a 3D representative volume element (RVE) for microstructure PMI It is assumed that RVE represents foam within framework elasticity. models thus created analyzed with periodic boundary conditions obtain by using finite analysis (FEA). numerical results compared experimental data prediction existing theoretical models, proposed model found give best effective modulus Parameter studies also out investigate effect size thickness on
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