| 9 | Fractal Microstructure of Fracture Surfaces and Fracture Energy of Metals显示文摘Using a fractat model, we give a new interpretation of the reversed sigmoidal curves of fracture surface profile length obtained in some experiments. It is pointed out that a single parameter (fractal dimension D) is not sufficient to characterize a fractal curve completely. It is shown that the initiator length L0 is also important to characterize a fractal curve. We have derived a formula which correlate the fracture energy with the fractal parameters of the fracture surfaces and analyzed some experimental data. | Shi, DW Jiang, J Lung, CW Liu, HZ Lou, TP Liu, HB | 1997 | Journal of Materials Science & Technology1997，13，6： | 1 |
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