Mixed-mode failure of composite laminates with cracks |
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Authors: | Isaac M Daniel |
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Institution: | (1) Mechanics of Materials Laboratory, Illinois Institute of Technology, Mechanical and Aerospace Engineering Department, 60616 Chicago, IL |
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Abstract: | The behavior of quasi-isotropic graphite/epoxy laminates with cracks subjected to various biaxial-stress fields was studied
experimentally. This was accomplished by uniaxial tensile loading of specimens with cracks of various orientations with the
loading axis. It was found that the critical stress-intensity factor, based on a projected crack length increased by a characteristic
damage dimension, is nearly constant with stress biaxiality and initial crack length.
Paper was presented at V International Congress on Experimental Mechanics held in Montreal, Quebec, Canada on June 10–15,
1984. |
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