The results show that the tension intensity of slice is up to 100 MPa and the im- pact intensity up to 25 kJ/m~2,and linear relation between crack section and the fractal dimension is established.

• 结果表明,板材拉伸强度达到100 MPa以上,冲击强度为25 kJ/m~2。 材料拉伸强度与断面视图的分维数呈正线性关系。