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Critical thrust force predicting modeling for delamination-free drilling of metal-FRP stacks

机译：金属FRP叠层无分层钻孔的临界推力预测模型

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摘要

The aim of this paper is to study about delamination during drilling metal-FRP (Fiber Reinforced Polymer Composite) stacks, with the effect of the metal part taken into account. Two cases were studied, case (a): drilling form metal to FRP and case (b): drilling form FRP to metal. In case (a), a mechanical model for predicting the critical thrust force (CTF) was established based on linear elastic fracture mechanics, classical bending plate theory and the mechanics of composites. In case (b), plate shape and edge conditions were taken into consideration to analyze the deformation of the metal plate. The superposition principle was applied to calculate the effect of the deformation of the metal plate and FRP plate on the CTF, and a mechanical model was established based on the analysis in case (a). A series of experiments have been Derformed and the rationality of the models was testified.
机译：本文的目的是研究在钻孔金属-FRP（纤维增强聚合物复合材料）堆叠过程中的分层，同时考虑到金属零件的影响。研究了两个案例，案例（a）：从FRP到金属的金属钻孔，案例（b）：从FRP到金属的金属钻孔。在情况（a）中，基于线性弹性断裂力学，经典弯曲板理论和复合材料力学，建立了用于预测临界推力（CTF）的力学模型。在情况（b）中，考虑了板的形状和边缘条件以分析金属板的变形。应用叠加原理计算了金属板和玻璃钢板的变形对CTF的影响，并基于情况（a）的分析建立了力学模型。已经进行了一系列实验，并验证了模型的合理性。

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  • 来源
    《Composite Structures》 |2014年第1期|604-609|共6页
  • 作者

    Zhenchao Qi; Kaifu Zhang; Yuan Li; Shunuan Liu; Hui Cheng;

  • 作者单位

    The MOE Key Lab of Contemporary Design and Integrated Manufacturing Technology, Northwestern Polytechnical University, Xi'an 710072, China;

    The MOE Key Lab of Contemporary Design and Integrated Manufacturing Technology, Northwestern Polytechnical University, Xi'an 710072, China;

    The MOE Key Lab of Contemporary Design and Integrated Manufacturing Technology, Northwestern Polytechnical University, Xi'an 710072, China;

    The MOE Key Lab of Contemporary Design and Integrated Manufacturing Technology, Northwestern Polytechnical University, Xi'an 710072, China;

    The MOE Key Lab of Contemporary Design and Integrated Manufacturing Technology, Northwestern Polytechnical University, Xi'an 710072, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Drilling; Metal-FRP stacks; Delamination; Critical thrust force; Mechanical model;

    机译：钻孔;金属玻璃钢烟囱;分层;临界推力;机械模型;

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