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Delamination due to interaction between curvature induced interlaminar tension and stresses at terminating plies

机译:由于曲率引起的层间张力与终止层的应力之间的相互作用而引起的分层

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摘要

Curved unidirectional glass fibre-epoxy specimens with some of the plies on the tension side cut across the complete width have been tested in four point bending. Two sets of tests were carried out with the cut plies in different positions through the thickness to change the ratio between the overall interlaminar tensile stresses induced by the curvature and the local stresses at the cut. A failure envelope based on a linear interaction between overall and local stresses is shown to be a reasonable fit to the experimental data.
机译:在四点弯曲中测试了弯曲的单向玻璃纤维环氧树脂样品,其中一些层的张力侧被切成整个宽度。进行了两组测试,在整个厚度范围内,切口层位于不同位置,以改变由曲率引起的整体层间拉伸应力与切口处的局部应力之间的比率。基于总应力和局部应力之间的线性相互作用的破坏包络被证明是对实验数据的合理拟合。

著录项

  • 来源
    《Composite Structures》 |1995年第4期|p.615-620|共6页
  • 作者

    Michael R. Wisnom; M. I. Jones;

  • 作者单位

    Department of Aerospace Engineering, University of Bristol, Bristol BS8 1TR, UK;

  • 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 工程材料学;
  • 关键词

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