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A mechanism for ductile crack growth in epoxy polymers |
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| Authors: | A. J. Kinloch D. G. Gilbert S. J. Shaw |
| Affiliation: | (1) Department of Mechanical Engineering, Imperial College of Science and Technology, Exhibition Road, SW7 2BX London, UK;(2) Engineering Department, University of Cambridge, Trumpington Street, CB2 1PZ Cambridge, UK;(3) Ministry of Defence (PE), RARDE, EN9 1BP Waltham Abbey, Essex, UK;(4) Present address: BP Research Centre, Sunbury-on-Thames, Middlesex, UK |
| Abstract: | It has been previously shown that at relatively high test temperatures/slow test rates crack propagation in thermosetting epoxy polymers occurs in a stable ductile manner. The present paper proposes a mechanism for this type of crack growth based upon a meniscus instability model which both qualitatively and quantitatively accounts for the experimental observations. |
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