RANDOM FRACTAL STUDY OF FRACTURE SURFACE OF FREE-MACHINING STEELS

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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