Analysis of meso-structure of 3D woven preforms based on the micro-CT technology

SHAO Mengjie; XIE Junbo; YANG Zhi; JIAO Wei; GUO Zhenzhen; CHEN Li; DU Xuefei

doi:10.13801/j.cnki.fhclxb.20211102.001

Volume 39 Issue 8

Aug. 2022

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Article Navigation > Acta Materiae Compositae Sinica > 2022 > 39(8): 4129-4138

SHAO Mengjie, XIE Junbo, YANG Zhi, et al. Analysis of meso-structure of 3D woven preforms based on the micro-CT technology[J]. Acta Materiae Compositae Sinica, 2022, 39(8): 4129-4138. doi: 10.13801/j.cnki.fhclxb.20211102.001

Citation:

SHAO Mengjie, XIE Junbo, YANG Zhi, et al. Analysis of meso-structure of 3D woven preforms based on the micro-CT technology[J]. Acta Materiae Compositae Sinica, 2022, 39(8): 4129-4138. doi: 10.13801/j.cnki.fhclxb.20211102.001

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Analysis of meso-structure of 3D woven preforms based on the micro-CT technology

doi: 10.13801/j.cnki.fhclxb.20211102.001

SHAO Mengjie^{1, 2},
XIE Junbo^{1, 2
,
,},
YANG Zhi^{1, 2},
JIAO Wei^{1, 2},
GUO Zhenzhen^{1, 2},
CHEN Li^{1, 2},
DU Xuefei³

1.
Ministry of Education Key Laboratory of Advanced Textile Composite Materials, Institute of Composite Materials, Tiangong University, Tianjin 300387, China
2.
School of Textile Science and Engineering, Tiangong University, Tianjin 300387, China
3.
Aerospace Research Institute of Materials and Processing Technology, Beijing 100076, China

Received Date: 2021-08-31
Accepted Date: 2021-10-22
Rev Recd Date: 2021-10-11

Available Online: 2021-11-03

Publish Date: 2022-08-31

Abstract

Abstract

The 3D meso-structures of the fiber preforms was reconstructed based on the micro-computed tomography (micro-CT) technology, two quantitative indexes were proposed to characterize the deformation of the fiber preforms' geometric structure. The influence mechanism of weft densities and thicknesses on the meso-structure of the 3D woven preform was studied. The results show that the micro-CT technology can be used to characterize the cross-section and spatial path of the yarns inside the 3D woven preform effectively. The preform samples with the weft density of 2.0 picks/cm show obvious deformation, and thus are not suitable for practical engineering application. With the increase of the weft density, the internal structure of the fiber preform tends to be stable. The internal structures of the 10 mm samples are more stable than that of the 5 mm samples, however, the cross section and path of the surface yarns still show large deformation.
- 3D woven,
- preform,
- fiber structure,
- meso-scale deformation,
- micro-CT technology
Long Abstrsct
Innovation Points

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References(32)

References

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