Vibroscope method for determination of cross-sectional area of glass and carbon fibres – Theory and further development

IF 8.1 2区材料科学 Q1 ENGINEERING, MANUFACTURING Composites Part A: Applied Science and Manufacturing Pub Date : 2024-09-08 DOI:10.1016/j.compositesa.2024.108446

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Abstract

Accurate determination of cross-sectional area of glass and carbon fibres by the vibroscope method is examined. Complete derivations of the central frequency solutions are presented, to make these derivations accessible in modern scientific literature. The effect of non-zero bending stiffness is included. The influence of shape of fibre cross-sectional area is analysed. Only small deviations in cross-sectional areas are found due to fibre shape, allowing for the use of the vibroscope method for fibres with non-circular cross-sectional areas. Two correction factors are introduced for the effect of volume change and area change of a tensioned fibre, allowing determination of the cross-sectional area of the non-tensioned fibre. A model plot of the vibroscope equation is presented, showing the numerical effect of the corrections on the fibre cross-sectional area depending on the applied tension force. The relations shown by the model plot have implications for the experimental settings of the vibroscope method.

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测定玻璃纤维和碳纤维横截面积的振动仪方法 - 理论与进一步发展

研究了用振动法精确测定玻璃纤维和碳纤维横截面积的问题。介绍了中心频率解法的完整推导过程，使这些推导过程可以在现代科学文献中找到。还包括非零弯曲刚度的影响。分析了纤维横截面积形状的影响。只发现纤维形状对横截面积的影响较小，因此可以对横截面积为非圆形的纤维使用测振法。针对张力纤维的体积变化和面积变化的影响，引入了两个修正系数，从而可以确定非张力纤维的横截面积。振动方程的模型图显示了修正系数对纤维横截面积的数值影响，这取决于所施加的拉力。模型图显示的关系对振动仪方法的实验设置具有影响。

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来源期刊

Composites Part A: Applied Science and Manufacturing 工程技术-材料科学：复合

CiteScore

15.20

自引率

5.70%

发文量

492

审稿时长

30 days

期刊介绍： Composites Part A: Applied Science and Manufacturing is a comprehensive journal that publishes original research papers, review articles, case studies, short communications, and letters covering various aspects of composite materials science and technology. This includes fibrous and particulate reinforcements in polymeric, metallic, and ceramic matrices, as well as 'natural' composites like wood and biological materials. The journal addresses topics such as properties, design, and manufacture of reinforcing fibers and particles, novel architectures and concepts, multifunctional composites, advancements in fabrication and processing, manufacturing science, process modeling, experimental mechanics, microstructural characterization, interfaces, prediction and measurement of mechanical, physical, and chemical behavior, and performance in service. Additionally, articles on economic and commercial aspects, design, and case studies are welcomed. All submissions undergo rigorous peer review to ensure they contribute significantly and innovatively, maintaining high standards for content and presentation. The editorial team aims to expedite the review process for prompt publication.