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Fracture strength of various lay-ups of carbon/epoxy laminates using the modified inherent flaw model |
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| Authors: | V Kamala Kannan B Nageswara Rao |
| Affiliation: | a Department of Aeronautical Engineering, Hindustan College of Engineering, Padur 603 103, India b Department of Mechanical Engineering, College of Engineering, Anna University, Guindy, Chennai 600 025, India c Structural Analysis and Testing Group, Vikram Sarabhai Space Centre, Trivandrum 695 022, India |
| Abstract: | Modifications are made in the inherent flaw model of Waddoups, Eisenman and Kaminski (known as the WEK model) for accurate prediction of notched tensile strength of composite laminates containing a sharp notch. To examine the adequacy of the model, fracture data of center cracked carbon/epoxy composite laminates with various lay-ups are considered. The notched strength estimates are found to be close to the test results. |
| Keywords: | Inherent flaw model Notched strength Carbon/epoxy Center crack Fracture parameters |
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