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首页> 外文期刊>Engineering Fracture Mechanics >Effect of fiber orientation on fracture toughness of laminated composite plates [0°/theta°]_s
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Effect of fiber orientation on fracture toughness of laminated composite plates [0°/theta°]_s

机译：纤维取向对层压复合板断裂韧性的影响[0°/θ°] _s

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摘要

Fracture toughness of single edge notched fiber reinforced composite plates is investigated experimentally. Load-displacement curves for unidirectional carbon fiber/epoxy resin reinforced composite plates are obtained experimentally under tensile load. Fracture toughness is obtained by determining failure loads. For numerical study, ANSYS is used. Material properties of laminates are calculated with classical laminated plate theory and applied to the finite element model by using plane element. Stiffness matrix of laminates is determined and shell element is chosen for numerical solution. Critical stress intensity factors are calculated with Displacement Correlation Method under experimental failure load conditions.
机译：实验研究了单边缺口纤维增强复合材料板的断裂韧性。单向碳纤维/环氧树脂增强复合板的载荷-位移曲线是在拉伸载荷下通过实验获得的。断裂韧性是通过确定破坏载荷获得的。对于数值研究，使用ANSYS。用经典的层压板理论计算层压板的材料性能，并通过使用平面单元将其应用于有限元模型。确定层压板的刚度矩阵，并选择壳单元进行数值求解。在实验失效载荷条件下，采用位移相关法计算临界应力强度因子。

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