Acta Metallurgica Sinica (English Letters) ›› 1990, Vol. 3 ›› Issue (5): 369-371.

• Research paper • Previous Articles     Next Articles

FRACTAL DIMENSIONALITY AND CRITICAL EXTENSION FORCE

DONG Lianke WANG Xiaowei Institute of Metal Research;International Centre for Material Physics,Academia Sinica,Shenyang,China Associate Professor,Institute of Metal Research,Academia Sinica,Shenyang 110015,China   

  • Received:1990-10-25 Revised:1990-10-25 Online:1990-10-25 Published:2009-10-10

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Abstract: Using gauge field theory of defects,the effective critical extension force in elastic-plastic fracture mechanics was given.The rationality of logarithm of effective extension force as a linear function of the fractal dimensionality of the fracture surface was analyzed in theory. The explanation in approach to studying material toughness using fractal has been clarified.

Key words: defect gauge field, fractal dimensionality, critical extension force

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