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Title: Effects of fabric architectures on mechanical and damage behaviors in carbon/epoxy woven composites under multiaxial stress states

Abstract

The mechanical properties and damage evolutions of carbon/epoxy woven fabric composites with three different fabric architectures, including one plain weave and two twill weave patterns, are experimentally investigated under multiaxial stress states. In particular, the effects of weave patterns are investigated by monotonic and cyclic off-axis tension tests. Both elastic modulus and strength degrade remarkably with increasing off-axis loading angle, while Poisson's ratio is much higher than that measured from on-axis tests and increases with loading strain gradually. Different fabric architectures show limited effects on the modulus and strength under multiaxial stress states, and they are well predicted by transformation equation and Tsai-Wu failure criteria, respectively. However, significantly different failure behaviors are observed in three fabric composites, and microstructure observation shows that fabric architecture affects the stress concentration and the damage development. Smaller crimp ratio and compacted structure postpone the damage development but result in more abrupt failure under multiaxial stress states.

Authors:
 [1];  [2];  [3];  [4];  [3];  [5];  [5]
  1. The Ohio State Univ., Columbus, OH (United States). College of Engineering
  2. McMaster Univ., Hamilton, ON (Canada). Dept. of Mechanical Engineering
  3. Shanghai Jiao Tong Univ. (China). State Key Lab. of Mechanical Systems and Vibration
  4. Clemson Univ., SC (United States). Dept. of Mechanical Engineering
  5. Ford Motor Company, Detroit, MI (United States). Dept. of Materials Manufacturing
Publication Date:
Research Org.:
Ford Motor Company, Detroit, MI (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE)
OSTI Identifier:
1848465
Alternate Identifier(s):
OSTI ID: 1633393
Grant/Contract Number:  
EE0006867
Resource Type:
Accepted Manuscript
Journal Name:
Polymer Testing
Additional Journal Information:
Journal Volume: 90; Journal Issue: C; Journal ID: ISSN 0142-9418
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; Materials Science; Polymer Science; Woven fabric composite; Off-axis; Mechanical behavior; Failure criterion

Citation Formats

Zhou, Guowei, Sun, Qingping, Li, Dayong, Meng, Zhaoxu, Peng, Yinghong, Zeng, Danielle, and Su, Xuming. Effects of fabric architectures on mechanical and damage behaviors in carbon/epoxy woven composites under multiaxial stress states. United States: N. p., 2020. Web. doi:10.1016/j.polymertesting.2020.106657.
Zhou, Guowei, Sun, Qingping, Li, Dayong, Meng, Zhaoxu, Peng, Yinghong, Zeng, Danielle, & Su, Xuming. Effects of fabric architectures on mechanical and damage behaviors in carbon/epoxy woven composites under multiaxial stress states. United States. https://doi.org/10.1016/j.polymertesting.2020.106657
Zhou, Guowei, Sun, Qingping, Li, Dayong, Meng, Zhaoxu, Peng, Yinghong, Zeng, Danielle, and Su, Xuming. Mon . "Effects of fabric architectures on mechanical and damage behaviors in carbon/epoxy woven composites under multiaxial stress states". United States. https://doi.org/10.1016/j.polymertesting.2020.106657. https://www.osti.gov/servlets/purl/1848465.
@article{osti_1848465,
title = {Effects of fabric architectures on mechanical and damage behaviors in carbon/epoxy woven composites under multiaxial stress states},
author = {Zhou, Guowei and Sun, Qingping and Li, Dayong and Meng, Zhaoxu and Peng, Yinghong and Zeng, Danielle and Su, Xuming},
abstractNote = {The mechanical properties and damage evolutions of carbon/epoxy woven fabric composites with three different fabric architectures, including one plain weave and two twill weave patterns, are experimentally investigated under multiaxial stress states. In particular, the effects of weave patterns are investigated by monotonic and cyclic off-axis tension tests. Both elastic modulus and strength degrade remarkably with increasing off-axis loading angle, while Poisson's ratio is much higher than that measured from on-axis tests and increases with loading strain gradually. Different fabric architectures show limited effects on the modulus and strength under multiaxial stress states, and they are well predicted by transformation equation and Tsai-Wu failure criteria, respectively. However, significantly different failure behaviors are observed in three fabric composites, and microstructure observation shows that fabric architecture affects the stress concentration and the damage development. Smaller crimp ratio and compacted structure postpone the damage development but result in more abrupt failure under multiaxial stress states.},
doi = {10.1016/j.polymertesting.2020.106657},
journal = {Polymer Testing},
number = C,
volume = 90,
place = {United States},
year = {Mon Jun 08 00:00:00 EDT 2020},
month = {Mon Jun 08 00:00:00 EDT 2020}
}

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