Evaluation the energy release rate of induced delamination due to matrix cracking in symmetric composite laminate

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Rahmani Mohamad; FARROKHABADI AMIN

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Journal: Journal of Science and Technology of Composites Year:2019 | Volume:6 | Issue:1 Page(s): 53-67

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Information Journal Paper

Title

Evaluation the energy release rate of induced delamination due to matrix cracking in symmetric composite laminate

Author(s)

Rahmani Mohamad | FARROKHABADI AMIN | Issue Writer Certificate

Keywords

CompositesQ1

Matrix cracksQ1

DelaminationQ1

Energy releas rateQ1

Strain energyQ1

Critical strain energyQ1

Abstract

In this paper by implementing energy based theory, growth of induced Delamination due to matrix cracking have been studied in symmetric composite laminates subjected to constant in-plane stresses and constant thermal stresses. Two unconstrained and generalized plane strain states have been analyzed here. Matrix cracking as a primary assumption has been supposed in both states and the impact of matrix cracking and Delamination on the stiffness degradation is calculated. Afterwards some thermoelastic constants, which are only depended on, ply material properties of composite lamina are. Then by relating stiffness matrix elements using these constants, a simple equation due for Gibbs free energy acquired. By differentiating the Gibbs free energy equation for Delamination length other simple equation was obtained to compute energy release rate. To verify the obtained results, ANSYS finite element software is used. The obtained results reveal that there is good agreement between the extended and FE approaches.

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APA: Copy

Rahmani, Mohamad, & FARROKHABADI, AMIN. (2019). Evaluation the energy release rate of induced delamination due to matrix cracking in symmetric composite laminate. JOURNAL OF SCIENCE AND TECHNOLOGY OF COMPOSITES (JSTC), 6(1 ), 53-67. SID. https://sid.ir/paper/251700/en

Vancouver: Copy

Rahmani Mohamad, FARROKHABADI AMIN. Evaluation the energy release rate of induced delamination due to matrix cracking in symmetric composite laminate. JOURNAL OF SCIENCE AND TECHNOLOGY OF COMPOSITES (JSTC)[Internet]. 2019;6(1 ):53-67. Available from: https://sid.ir/paper/251700/en

IEEE: Copy

Mohamad Rahmani, and AMIN FARROKHABADI, “Evaluation the energy release rate of induced delamination due to matrix cracking in symmetric composite laminate,” JOURNAL OF SCIENCE AND TECHNOLOGY OF COMPOSITES (JSTC), vol. 6, no. 1 , pp. 53–67, 2019, [Online]. Available: https://sid.ir/paper/251700/en

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