期刊
COMPOSITE STRUCTURES
卷 237, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compstruct.2020.111896
关键词
Micro-CT analysis; Fiber orientation; Microvascular channels; Microstructure
资金
- KU Leuven Research Council
- Hercules Foundation [AKUL 09/001]
- Toray Chair for Composite Materials, KU Leuven
Microvascular channels, embedded in fiber-reinforced composites are introduced as an efficient tool for internal damage monitoring, self-healing, and thermal management applications. As an adverse effect, vascular channels cause a disturbance in the fibers around the channel region. In this study, first, the fiber orientation around the channel is evaluated using micro-CT images analyzed with VoxTex software. Variation in the stiffness around the channels is determined using micro-homogenization. The results revealed orientation disturbance in the out-of-plane direction with a maximum of about 6 degrees. The micro-channel affected the nearby local stiffness as well, reducing it by up to 19%.
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