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Acta Metall Sin  1994, Vol. 30 Issue (8): 380-384    DOI:
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RANDOM FRACTAL STUDY OF FRACTURE SURFACE OF FREE-MACHINING STEELS
LI Xueliang;LIN Jianxin (Hefei Polytechnical University)
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LI Xueliang;LIN Jianxin (Hefei Polytechnical University). RANDOM FRACTAL STUDY OF FRACTURE SURFACE OF FREE-MACHINING STEELS. Acta Metall Sin, 1994, 30(8): 380-384.

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Abstract  A random fractal model for the crack propagation of free-machining steelsduring impacting transversely was proposed. The random fractal dimension for impact fracture surface was then calculated. And self-similar fractal dimension was also analysed. Experimental measurement is fair agreement with that of random fractal model proposed.
Key words:  impact fracture      random fractal      fractal dimension      free-machining steel     
Received:  18 August 1994     
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