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Using Textile Topography to Analyze X-Ray CT Data of Composite Microstructure


 The 3-dimensional yam architecture in a 2-dimensional woven fabric reinforced composite is nonuniform. Many structural features appear that are not obvious from consideration only of the yarn architecture in the single layer textile fabric. A complete set of 3-dimensional image data was acquired for a representative volume of the composite using X-ray micro-computed tomography. Extensive image analysis was, however, necessary to reveal the yarn architecture due to relatively low signal-to-noise ratio and contrast levels relative to optical microscopy of polished cross sections.