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2003-2022 全部
为您找到包含“fracture surface; fractal dimension; mechanical properties; stress intensity factor; fatigue strength”的内容共1

Liu Haishun,Yin Chunhao,Miao Xiexing

The literature on metal fatigue and fracture based on fractal theory is reviewed, focusing on the fractal character of metal fracture surfaces and the approaches to measure the fractal dimension. The correlations between the fractal dimension of fracture, various fractal models of metal fatigue crack propagation and fracture are analyzed and compared, and the physical signification of fractal dimension are also discussed. It seems there is still further research necessary to improve theoretical method and to reveal the physical nature of fractal dimension. We expect this paper could make the fractal theory understood comprehensively, and could expand fractal application properly in more and more fields.

2006-10-24

中国矿业大学科技基金(2005024

College of Science, China University of Mining and Technology,College of Science, China University of Mining and Technology,College of Science- China University of Mining and Technology

#Mechanics#

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