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Information Seminar Paper

Title

BUCKLING BEHAVIOR AND COMPRESSIVE FAILURE OF COMPOSITE LAMINATES CONTAINING MULTIPLE LARGE DELAMINATIONS GROWTH WITH COHESIVE ELEMENT METHOD

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Abstract

 THE EFFECTS OF DELAMINATION AND DELAMINATION GROWTH ON BUCKLING LOAD ON COMPRESSIVE LOADING FOR E-GLASS/EPOXY COMPOSITE LAMINATES USING MULTIPLE LARGE DELAMINATIONS WITH COHESIVE ELEMENTS HAVE BEEN STUDIED. A NUMERICAL STUDY IS CARRIED OUT TO DETERMINE THE BUCKLING LOAD OF RECTANGULAR COMPOSITE PLATES. FOR THE NUMERICAL (0.90.0.90) S ORIENTED CROSS-PLY LAMINATED PLATES WITH MULTIPLE LARGE DELAMINATIONS ARE PRODUCED BY USING HAND LAY-UP TECHNIQUE. THE RESULTS OF THE DELAMINATION GROWTH OF STRUCTURE OF PLATES ARE FOUND BY CLAMPING FROM THE TWO EDGES BY USING FEM SOFTWARE AND THEN THESE RESULTS ARE COMPARED WITH THE RESULTS OBTAINED BY EXPERIMENTAL RESULTS. IN ADDITION, THE COMPRESSIVE FAILURE LOADS OF COMPOSITE LAMINATES CONTAINING MULTIPLE LARGE DELAMINATIONS ARE FOUND BY COMPRESSION TEST FIXTURE. IT IS FOUND THAT THE LONGEST AND NEAR-SURFACE DELAMINATION SIZE INFLUENCES THE BUCKLING LOAD AND COMPRESSIVE FAILURE LOAD OF COMPOSITE LAMINATES.

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