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Compressive failure of composite plates during one-sided heating

机译：单面加热时复合板的压缩破坏

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摘要

Intermediate-scale, one-sided heating tests were performed on compressively loaded E-glass vinyl ester composite laminates. The tests were designed to investigate the effect of varying the applied stress, applied heat flux, and laminate dimensions on structural response. Three failure' modes were observed in testing: large-scale buckling, localized kinking, and forced-response deflection. The failure modes were dependent on applied stress and independent of applied heating. The times-to-failure of the laminates exhibited an inverse relationship with the applied stress and heating levels. The use of a single temperature was incapable of quantifying laminate failure due to variations in temperature at failure for a given stress level. A dimensionless relationship was developed as a function of temperature for the applied stress and slenderness ratio. This relationship compares the applied stress, slenderness ratio, and laminate temperature at failure and may be used in design of composite laminate structures to determine failure.
机译：在压缩负载的E-玻璃乙烯基酯复合材料层压板上进行了中规模的单侧加热测试。这些测试旨在研究改变施加的应力，施加的热通量和层压板尺寸对结构响应的影响。在测试中观察到三种失效模式：大规模屈曲，局部扭结和强迫响应变形。失效模式取决于所施加的应力而与所施加的加热无关。层压板的失效时间与所施加的应力和加热水平呈反比关系。对于给定的应力水平，由于失效时温度的变化，单一温度的使用无法量化层压板的失效。对于施加的应力和细长比，无量纲关系随温度变化而变化。该关系比较失效时施加的应力，细长比和层压板温度，可用于设计复合层压板结构以确定破裂。

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  • 来源
    《Composite Structures》 |2011年第11期|p.2817-2825|共9页
  • 作者

    P.T. Summers; B.Y. Lattimer; S. Case;

  • 作者单位

    Department of Mechanical Engineering, Virginia Polytechnic Institute & State University, Blacksburg, VA 24061, USA;

    Department of Mechanical Engineering, Virginia Polytechnic Institute & State University, Blacksburg, VA 24061, USA;

    Department of Engineering Science & Mechanics, Virginia Polytechnic Institute & State University, Blacksburg, VA 24061, USA;

  • 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

    fiber-reinforced polymer composites; fire; intermediate-scale; thermo-structural;

    机译：纤维增强聚合物复合材料;火;中规模;热结构;

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