【摘要】 研究了脆性断裂的物理过程，指出断裂裂纹具有类似逾渗现象的分维特征。在对比分析几种关于材料损伤断裂的分形模型后，提出了关于韧脆性断裂的统一的分形模型。更多还原

【Abstract】 The physical preeedure of brittle fracture is researched.The resulting pattern of cracksshows a fractal much like porcolation clusture .A new fractal medel referring to the tough and brittlefracture is proposed on the basis of comparison of several fractal models of fracture already built.更多还原