RANDOM FRACTAL STUDY OF FRACTURE SURFACE OF FREE-MACHINING STEELS
易切削钢冲击断口分维的随机分形分析

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.