Concept of Ultimate Fracture-Front Velocity in Cylindrical Cavity Expansion in a Brittle Material |
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| Authors: | Kartuzov V. V. Galanov B. A. Ivanov S. M. |
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| Affiliation: | (1) Institute for Problems of Materials Science, National Academy of Sciences of Ukraine, Kiev, Ukraine |
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| Abstract: | Expansion of a cylindrical cavity in a brittle material is analyzed on the basis of the concept of the ultimate velocity of the fracture front. The boundary problems have been solved for the material regions of various states. The expansion pressure of a cylindrical cavity as a function of the expansion velocity in a ceramic material is given and compared to that of a spherical cavity. |
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| Keywords: | fracture front ceramics boundary problem expansion pressure expansion velocity |
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