B4C/6061Al复合材料热压缩断裂行为的多尺度研究

周丽,张鹏飞,王全兆,肖伯律,马宗义,于涛

Multi-Scale Study on the Fracture Behavior of Hot Compression B4C/6061Al Composite

Li ZHOU,Pengfei ZHANG,Quanzhao WANG,Bolü XIAO,Zongyi MA,Tao YU

表1 31%B4C/6061Al复合材料热物理性能

Table 1 Thermo-physical properties of 31%B4C/6061Al composite

Thermo-physical parameter Value Unit Young's modulus (E) 136 GPa Shear modulus of elasticity (G) 52.3 GPa Specific heat (cp) 1.381 J·g?1·K?1 Thermal diffusivity 31.42 m2·s?1 Coefficient of thermal expansion (φ) 16.9×10?6 K?1 Poisson's ratio (μ) 0.3 Density (ρ) 2.64 g·m?3