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The Correlation between Fractal Dimension of Fracture Surfaces and Mechanical Properties
Liu Haishun 1 *,Yin Chunhao 1,Miao Xiexing 2
1.College of Science, China University of Mining and Technology
2.College of Science- China University of Mining and Technology
*Correspondence author
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Funding: 中国矿业大学科技基金（No.2005024）
Opened online:24 October 2006
Accepted by: none
Citation: Liu Haishun,Yin Chunhao,Miao Xiexing.The Correlation between Fractal Dimension of Fracture Surfaces and Mechanical Properties[OL]. [24 October 2006] http://en.paper.edu.cn/en_releasepaper/content/8936
 
 
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.
Keywords:fracture surface; fractal dimension; mechanical properties; stress intensity factor; fatigue strength
 
 
 

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