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Critical thrust force at delamination propagation during drilling of angle-ply laminates

机译:角铺层板钻孔过程中分层传播时的临界推力

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摘要

A new formulation for the critical thrust force necessary to propagate the delamination generated during the drilling operation of an antisymmetric angle-ply laminate is proposed by modeling the delamination zone as an elliptical shape. The critical thrust force is analytically derived with the consideration of bending, twisting and mid-plane extension of the delamination zone. And then to maximize the critical thrust force, the optimal design of an angle-ply laminate is performed to find the optimal number of fiber per millimeter, optimum diameter of fiber and optimum lamination angle using ADS (Automated Design Synthesis).
机译:通过将分层区域建模为椭圆形,提出了一种新的公式,用于传播在反对称角层板层压板的钻孔操作过程中产生的分层所必需的临界推力。考虑到分层区域的弯曲,扭曲和中平面延伸,可以得出临界推力。然后,为了使临界推力最大化,使用ADS(自动设计综合)对夹角层压板进行了最佳设计,以找到每毫米的最佳纤维数量,最佳纤维直径和最佳层压角度。

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