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Then the RFPA2D program is used to analyze the influences of different homogeneity on the propagation and evolution of cracks in the rock-like brittle materials under external load.
Compared with corresponding experimental results, the conclusion that the homogeneity has a great effect on the failure process of materials is drawn.
Acknowledgements This work was financially supported by the National Natural Science Foundation of China (Grant no. 51004007) , the Natural Science Foundation of Jiangxi province (Grant no. 20114BAB216026) and the Scientific Research Development Foundation of Hefei University of Technology (Grant no. 2011HGBZ1551), which are gratefully acknowledged.
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The data for these regions is taken from [14] and are only for wrought materials.
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The thermal and mechanical properties of different materials are presented in Table 1.
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