THERMOMECHANICAL MODELING OF POLYMER NANOCOMPOSITES BY THE ASYMPTOTIC HOMOGENIZATION METHOD
作者单位:Mechanical Design DepartmentFaculty of Engineering-Mataria
会议名称:《第二届亚洲功能材料与结构力学大会》
会议日期:2010年
学科分类:07[理学] 070205[理学-凝聚态物理] 08[工学] 080501[工学-材料物理与化学] 0805[工学-材料科学与工程(可授工学、理学学位)] 0702[理学-物理学]
关 键 词:Nano-structures Polymer-matrix composites(PMCs) Thermomechanical Computational modeling
摘 要:正There is much current interest to incorporate nano-scale fillers into polymer matrices to achieve potentially unique *** to traditional microcomposites,nanocomposites have significant large ratio of interface area to volume that results in improved thermomechanical *** thermomechanical properties of polymer nanocomposites,to achieve the ever-increasing performance requirements,can be obtained by tailoring their *** this end,computational analyses of the relations between the thermomechanical properties,e.g.,yield strength,Young modulus,shear modulus,Poisson ratio and coefficient of thermal expansion,in different directions and the microstructures of polymer nanocomposites are *** asymptotic homogenization method (AHM) based on finite element analysis(FEA) is used to model the thermomechanical behaviors of different polymer nanocomposites with periodic *** effects of adding silica and rubber nanoparticles to epoxy resin as a polymer matrix are *** of the nano-particles which differ in volume fraction,material type,size and/or geometry are *** predictions of thermomechanical properties are compared with experimental data.