负泊松比结构力学设计、抗冲击性能及在车辆工程应用与展望1)

吴文旺, 肖登宝, 孟嘉旭, 刘凯, 牛迎浩, 薛睿, 张鹏, 丁文杰, 叶璇, 凌雪, 毕颖, 夏勇

MECHANICAL DESIGN, IMPACT ENERGY ABSORPTION AND APPLICATIONS OF AUXETIC STRUCTURES IN AUTOMOBILE LIGHTWEIGHT ENGINEERING1)

Wu Wenwang, Xiao Dengbao, Meng Jiaxu, Liu Kai, Niu Yinghao, Xue Rui, Zhang Peng, Ding Wenjie, Ye Xuan, Ling Xue, Bi Ying, Xia Yong

图1 (a) Milton图(具体细节请查阅文献[7])展示的材料体积模量$K$、剪切模量$G$、泊松比$v$和稳定性之间的关联关系[7];(b) Milton-Ashby图所展示的材料体积模量$K$、剪切模量$G$、材料密度$\rho$之间的关系[12]

Fig. 1 (a) Milton diagram (please refer to Ref.[7] for details) showing the correlation between material bulk modulus $K$, shear modulus $G$, Poisson's ratio $v$ and stability[7]; (b) relationship between the material bulk modulus $K$, shear modulus $G$, and material density $\rho$ shown in the Milton-Ashby diagram[12]