构型化石墨烯纳米片/2009Al复合材料热膨胀系数模拟

周丽, 张明远, 杨欣盛, 刘振宇, 王全兆, 肖伯律, 马宗义

Simulation of Thermal Expansion Coefficient of Configurational GNPs/2009Al Composites

ZHOU Li, ZHANG Mingyuan, YANG Xinsheng, LIU Zhenyu, WANG Quanzhao, XIAO Bolv, MA Zongyi

表1 有限元模拟中的材料特性[25,26]

Table 1 Material properties used in the finite element simulation[25,26]

Property Parameter GNPs[25] 2009Al[26] Unit Elastic property E1 = E2 943600 69000 MPa E3 19500 69000 MPa ν12 0.14 0.35 ν13 -0.09 0.35 ν23 -0.09 0.35 G12 414180 25555 MPa G13 = G23 5010 25555 MPa Thermal expansion coefficient α1 = α2 -5 23.2 10-6oC-1 α3 0.75 23.2 10-6oC-1