Comparison of different failure criteria for fiber-reinforced plastics in terms of fracture curves for arbitrary stress combinations |
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Authors: | Markus Kober Arnold Kühhorn |
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Affiliation: | Structural Mechanics and Vehicle Vibrational Technology, Brandenburg University of Technology Cottbus, Siemens-Halske-Ring 14, D-03046 Cottbus, Germany |
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Abstract: | For fiber-reinforced plastics exists a big number of different criteria for the failure prediction. The intention of this paper is to compare the TSAI-HIL-, the LaRC04- and PUCK’s criterion in terms of their fracture curves for a unidirectional glass-fiber reinforced composite layer. Therefore after the implementation of these three criteria, the two-dimensional fracture curves for all possible stress combinations, which can be derived from a general spatial stress tensor, are computed. In this way, the characteristics of the criteria, similarities and differences and possible weak points become obvious. |
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Keywords: | C Failure criterion A Polymer&ndash matrix composites (PMCs) A Layered structures Fracture curves |
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