Propagation of Matrix Cracking and Induced Delaminatin in Cross-Ply Composite Beams Subjected to Bending Loads

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BAHRAMI M.; Farrokhabadi A.

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Journal Paper

Paper Information

Journal: MECHANICS OF ADVANCED COMPOSITE STRUCTURES Year:2019 | Volume:6 | Issue:1 Page(s): 45-50

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Information Journal Paper

Title

Propagation of Matrix Cracking and Induced Delaminatin in Cross-Ply Composite Beams Subjected to Bending Loads

Author(s)

BAHRAMI M. | Farrokhabadi A. | Issue Writer Certificate

Keywords

Matrix cracking

Delamination

Micromechanics

Unit cell

Strain energy release rate

Abstract

Due to the mismatch of mechanical properties in composite laminates, propagation of delami-nation is considered as a severe damage mechanism in beams with various lay-up configurations. Delamination can be generated due to Matrix cracking propagation or it can also be initiated due to the manufacturing process before using composite beams. Using a Micromechanics model, this study is aimed to investigate the bending moment required for Matrix cracking and induced de-lamination in cross-ply composite beams. To that end, a Unit cell is selected from the lamina sur-face in a composite beam containing Matrix cracking and Delamination. Later, the governing equation of stress and displacement fields are extracted in the Unit cell to calculate the Strain energy release rate due to the propagation of Matrix cracking and induced Delamination. In or-der to validate this method, the stiffness variations in Carbon-Epoxy cross-ply laminate [90/02]s is examined and the obtained results are compared with the numerical results. It concluded that there is a favorable agreement between the results of the proposed Micromechanics model and available numerical results.

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APA: Copy

BAHRAMI, M., & Farrokhabadi, A.. (2019). Propagation of Matrix Cracking and Induced Delaminatin in Cross-Ply Composite Beams Subjected to Bending Loads. MECHANICS OF ADVANCED COMPOSITE STRUCTURES, 6(1), 45-50. SID. https://sid.ir/paper/355139/en

Vancouver: Copy

BAHRAMI M., Farrokhabadi A.. Propagation of Matrix Cracking and Induced Delaminatin in Cross-Ply Composite Beams Subjected to Bending Loads. MECHANICS OF ADVANCED COMPOSITE STRUCTURES[Internet]. 2019;6(1):45-50. Available from: https://sid.ir/paper/355139/en

IEEE: Copy

M. BAHRAMI, and A. Farrokhabadi, “Propagation of Matrix Cracking and Induced Delaminatin in Cross-Ply Composite Beams Subjected to Bending Loads,” MECHANICS OF ADVANCED COMPOSITE STRUCTURES, vol. 6, no. 1, pp. 45–50, 2019, [Online]. Available: https://sid.ir/paper/355139/en

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