使用垂直剖面法测量平面应变条件下断裂表面不同方向剖面的分形维数。实验表明,沿着裂纹扩展方向剖面Koch 曲线的分形维数D_1与lgK_(1c)之间是正变化的线性关系,垂直于裂纹扩展方向剖面的分形维数D_2与lgK_(1c)之间是反变化的线性关系,(D_1+D_2)与lgk_(1c)之间是一个不敏感的正变化的线性关系。
The vertical section method is employed to measure fractal dimensions ofcross section profile of fractured surfaces under plane strain conditions.It is shown that thevertical section method could describe further the roughness of fractured surfaces as com
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