This presentation introduces an x-ray scattering tensor tomography (XSTT) approach tailored to rapidly explore embedded micro-scale structures within composite materials on a centimeter scale. Thanks to advancements in rapid data acquisition and sophisticated reconstruction algorithm, this technique is extremely efficient for centimeter-scale studies of industrially significant fiber-reinforced composites (FRC). The integration of finite element method (FEM) simulations with XSTT data showcases its potential as an efficient tool for computer-aided engineering of FRCs. In addition to the time-steady characterization of FRCs, our pioneering work in tracking time-resolved deformations within viscous fluids containing micro-scale fibers also creates new opportunities for advancing rheological studies. These methodological advancements significantly impact material characterization, offering new perspectives and expanding possibilities in material science, engineering, and practical industrial applications.
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