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Title: Dynamic crack propagation from a circular defect in a unidirectional carbon fiber reinforced plastic composite [Dynamic crack propagation from a circular defect in a unidirectional CFRP composite]

Abstract

A single-ply unidirectional IM7/8552 carbon fiber reinforced plastic (CFRP) composite with artificially introduced circular defects is subjected to dynamic tensile loading using a modified Kolsky tension bar. A high-speed X-ray phase contrast imaging method is integrated with the Kolsky bar setup to record the crack initiation from the defects and subsequent propagation in the material in real time during the tensile loading. The tensile loading was applied either in longitudinal (0° to fibers) or transverse (90° to fibers) direction of the specimens. Shear failure of the matrix and axial splitting along the loading/fiber direction were observed in longitudinal specimens to initiate from the edge of the artificial circular defects. Debonding of fiber and matrix was observed in transverse specimens which initiated from the top and bottom edge of the hole. Furthermore, the dynamic tensile loading history during the crack propagation was recorded using a piezoelectric load cell and synchronized with the observed damage and failure processes.

Authors:
ORCiD logo [1];  [1];  [1];  [1];  [2];  [2];  [1];  [1]
  1. Purdue Univ., West Lafayette, IN (United States)
  2. Argonne National Lab. (ANL), Argonne, IL (United States)
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
U.S. Army Research Laboratory; USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
OSTI Identifier:
1508385
Grant/Contract Number:  
[AC02-06CH11357]
Resource Type:
Accepted Manuscript
Journal Name:
Journal of Composite Materials
Additional Journal Information:
[ Journal Volume: 52; Journal Issue: 25]; Journal ID: ISSN 0021-9983
Publisher:
SAGE
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; carbon fiber reinforced plastic; X-ray phase contrast imaging; crack initiation; dynamic behaviors

Citation Formats

Nie, Yizhou, Parab, Niranjan D., Chu, Jou -Mei, Kim, Garam, Sun, Tao, Fezzaa, Kamel, Sterkenburg, Ronald, and Chen, Weinong W. Dynamic crack propagation from a circular defect in a unidirectional carbon fiber reinforced plastic composite [Dynamic crack propagation from a circular defect in a unidirectional CFRP composite]. United States: N. p., 2018. Web. doi:10.1177/0021998318797394.
Nie, Yizhou, Parab, Niranjan D., Chu, Jou -Mei, Kim, Garam, Sun, Tao, Fezzaa, Kamel, Sterkenburg, Ronald, & Chen, Weinong W. Dynamic crack propagation from a circular defect in a unidirectional carbon fiber reinforced plastic composite [Dynamic crack propagation from a circular defect in a unidirectional CFRP composite]. United States. doi:10.1177/0021998318797394.
Nie, Yizhou, Parab, Niranjan D., Chu, Jou -Mei, Kim, Garam, Sun, Tao, Fezzaa, Kamel, Sterkenburg, Ronald, and Chen, Weinong W. Mon . "Dynamic crack propagation from a circular defect in a unidirectional carbon fiber reinforced plastic composite [Dynamic crack propagation from a circular defect in a unidirectional CFRP composite]". United States. doi:10.1177/0021998318797394. https://www.osti.gov/servlets/purl/1508385.
@article{osti_1508385,
title = {Dynamic crack propagation from a circular defect in a unidirectional carbon fiber reinforced plastic composite [Dynamic crack propagation from a circular defect in a unidirectional CFRP composite]},
author = {Nie, Yizhou and Parab, Niranjan D. and Chu, Jou -Mei and Kim, Garam and Sun, Tao and Fezzaa, Kamel and Sterkenburg, Ronald and Chen, Weinong W.},
abstractNote = {A single-ply unidirectional IM7/8552 carbon fiber reinforced plastic (CFRP) composite with artificially introduced circular defects is subjected to dynamic tensile loading using a modified Kolsky tension bar. A high-speed X-ray phase contrast imaging method is integrated with the Kolsky bar setup to record the crack initiation from the defects and subsequent propagation in the material in real time during the tensile loading. The tensile loading was applied either in longitudinal (0° to fibers) or transverse (90° to fibers) direction of the specimens. Shear failure of the matrix and axial splitting along the loading/fiber direction were observed in longitudinal specimens to initiate from the edge of the artificial circular defects. Debonding of fiber and matrix was observed in transverse specimens which initiated from the top and bottom edge of the hole. Furthermore, the dynamic tensile loading history during the crack propagation was recorded using a piezoelectric load cell and synchronized with the observed damage and failure processes.},
doi = {10.1177/0021998318797394},
journal = {Journal of Composite Materials},
number = [25],
volume = [52],
place = {United States},
year = {2018},
month = {9}
}

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