Abstract
In this paper, the experimental results of brittle-crack propagation and arrest on structural steels are analyzed using the finite-difference method. The test specimens used are double-tension and double-cantilever type (DCB).
It is found that dynamic consideration is indispensable for general interpretation of fast fracture and crack arrest and material toughness can be defined as a function of temperature and crack velocity. Using the defined fracture toughness, crack-propagation-arrest behavior can be predicted by crack-propagation simulation if the condition of boundary loading of a specimen is known. This implies a possibility to develop simple methods for crack-arrester design.
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References
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Kanazawa, T., Machida, S., Teramoto, T. et al. Study on fast fracture and crack arrest. Experimental Mechanics 21, 78–88 (1981). https://doi.org/10.1007/BF02325200
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DOI: https://doi.org/10.1007/BF02325200