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| General strength criterion in composite laminated structures of aircraft |
| Revised:October 17, 2003 |
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| DOI：10.7511/jslx20054097 |
| KeyWord:composite laminates,general strength criterion,experimental investigation |
| WANG Hai~ |
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| Abstract: |
| The classical structural strength criterions of composite and their applicability on laminates were studied by both calculation and experiment. The results appeared great differences. The main reason came from the assumptions of non-tension-shear coupling whose is correct only for lamina and orthotropic laminates, and realistic bond between layers. In this paper, the general strength criterion was put forward, whose main idea is the application of classical laminated theory on quasi-orthotropic laminates in practical aircraft structural design by releasing orthotropic restriction conditions and measuring strength parameters experimentally. |
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