用x射线衍射图像估计碳纤维增强聚酰胺6中纤维取向分布

IF 1.8 3区材料科学 Q3 MATERIALS SCIENCE, COMPOSITES

Advanced Composite Materials Pub Date : 2022-11-05 DOI:10.1080/09243046.2022.2140621

M. Terada, Ryota Yamabe, M. Ichiki, A. Yamanaka

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引用次数: 3

摘要

利用广角x射线衍射(WAXRD)分析了碳纤维增强聚酰胺6复合材料的碳纤维取向分布(FOD)。在排列好的碳纤维的衍射像中，石墨晶体引起的一对衍射斑连接的直线与纤维轴正交。利用这一性质对FOD进行了研究。在本研究中，我们尝试通过排列在衍射角()和方位角()中的径向基函数的线性组合来表达WAXRD图像，即强度分布()。因此，FOD对应于通过串行波形分离得到的权向量。基于这一概念，我们试图确定复合材料的层压成分，如单向，交叉铺层和准各向同性复合材料。分析结果与理想的层合成分吻合较好。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Estimation of fiber orientation distribution in carbon-fiber-reinforced polyamide 6 using X-ray diffraction images

The carbon fiber orientation distribution (FOD) of carbon fiber-reinforced polyamide 6 was estimated using wide-angle X-ray diffraction (WAXRD) images of the composites. In the diffraction image of the aligned carbon fibers, the straight line connecting the pair of diffraction spots caused by the graphite crystal is orthogonal to the fiber axis. This property was employed to investigate the FOD. In this study, we attempt to express WAXRD images, that is, the intensity distribution ( ) by the linear combination of the radial basis functions arranged in the diffraction angle ( ) and azimuth angle ( ). Consequently, FOD corresponds to the weight vector derived through serial waveform separation. Based on this concept, we attempted to identify the laminated composition of the composites, such as unidirectional, cross-ply, and quasi-isotropic composites. The analysis results were in good agreement with the ideal laminated composition.

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来源期刊

Advanced Composite Materials 工程技术-材料科学：复合

CiteScore

5.00

自引率

20.70%

发文量

审稿时长

3 months

期刊介绍： "Advanced Composite Materials (ACM), a bi-monthly publication of the Japan Society for Composite Materials and the Korean Society for Composite Materials, provides an international forum for researchers, manufacturers and designers who are working in the field of composite materials and their structures. Issues contain articles on all aspects of current scientific and technological progress in this interdisciplinary field. The topics of interest are physical, chemical, mechanical and other properties of advanced composites as well as their constituent materials; experimental and theoretical studies relating microscopic to macroscopic behavior; testing and evaluation with emphasis on environmental effects and reliability; novel techniques of fabricating various types of composites and of forming structural components utilizing these materials; design and analysis for specific applications. Advanced Composite Materials publishes refereed original research papers, review papers, technical papers and short notes as well as some translated papers originally published in the Journal of the Japan Society for Composite Materials. Issues also contain news items such as information on new materials and their processing."