Spatiotemporal characterization of 3D fracture behavior of carbon-fiber-reinforced polymer composites

Shenli Pei, Kaifeng Wang, Yang Li, Danielle Zeng, Xuming Su, Jingjing Li, Hui Yang, Xianghui Xiao

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

This study proposed a spatiotemporal algorithm to quantitatively characterize the in-situ 3D fracture behavior of carbon-fiber-reinforced polymer (CFRP) composites at microscale. In-situ micro X-ray computed tomography (µXCT) integrated with a tensile stage was applied to capture the 3D fracture evolution of the CFRP composites, where the initiation and propagation of fracture features (e.g., fiber tip-end crack and fiber/matrix debonding) were identified. After the reconstruction of the 3D material microstructure, the proposed spatiotemporal algorithm thereafter extracted the fracture features by employing multiple image processing techniques for quantitative analysis. A similar distribution of the 3D strain obtained from the volumetric digital image correlation demonstrated the feasibility of the developed spatiotemporal algorithm. Moreover, this algorithm provided in-depth and quantitative analysis of fracture features, which provided insights into the microscale failure mechanism and thus shed light on the improvement of failure criteria for CFRP composites with complex microstructures.

Original languageEnglish (US)
Pages (from-to)30-37
Number of pages8
JournalComposite Structures
Volume203
DOIs
StatePublished - Nov 1 2018

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Carbon fibers
Polymers
Composite materials
Microstructure
Fibers
Debonding
Chemical analysis
Tomography
Image processing
carbon fiber
Cracks
X rays

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Civil and Structural Engineering

Cite this

Pei, Shenli ; Wang, Kaifeng ; Li, Yang ; Zeng, Danielle ; Su, Xuming ; Li, Jingjing ; Yang, Hui ; Xiao, Xianghui. / Spatiotemporal characterization of 3D fracture behavior of carbon-fiber-reinforced polymer composites. In: Composite Structures. 2018 ; Vol. 203. pp. 30-37.
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abstract = "This study proposed a spatiotemporal algorithm to quantitatively characterize the in-situ 3D fracture behavior of carbon-fiber-reinforced polymer (CFRP) composites at microscale. In-situ micro X-ray computed tomography (µXCT) integrated with a tensile stage was applied to capture the 3D fracture evolution of the CFRP composites, where the initiation and propagation of fracture features (e.g., fiber tip-end crack and fiber/matrix debonding) were identified. After the reconstruction of the 3D material microstructure, the proposed spatiotemporal algorithm thereafter extracted the fracture features by employing multiple image processing techniques for quantitative analysis. A similar distribution of the 3D strain obtained from the volumetric digital image correlation demonstrated the feasibility of the developed spatiotemporal algorithm. Moreover, this algorithm provided in-depth and quantitative analysis of fracture features, which provided insights into the microscale failure mechanism and thus shed light on the improvement of failure criteria for CFRP composites with complex microstructures.",
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Spatiotemporal characterization of 3D fracture behavior of carbon-fiber-reinforced polymer composites. / Pei, Shenli; Wang, Kaifeng; Li, Yang; Zeng, Danielle; Su, Xuming; Li, Jingjing; Yang, Hui; Xiao, Xianghui.

In: Composite Structures, Vol. 203, 01.11.2018, p. 30-37.

Research output: Contribution to journalArticle

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AU - Wang, Kaifeng

AU - Li, Yang

AU - Zeng, Danielle

AU - Su, Xuming

AU - Li, Jingjing

AU - Yang, Hui

AU - Xiao, Xianghui

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