Cited by 131Polymer composites and self-healingMechanical Behavior of CompositesAdvanced Materials and Mechanics

A self-healing 3D woven fabric reinforced shape memory polymer composite for impact mitigation

Open access
Nji, Jones, Li, Guoqiang·2010·Smart Materials and Structures

Abstract

In this paper, a three-dimensional (3D) woven fabric reinforced shape memory polymer composite for impact mitigation was proposed, fabricated, programmed using a three-step strain-controlled thermomechanical cycle at a pre-strain level of 5% and machined to two groups of specimens (G1 and G2) with dimensions 152.4 mm × 101.6 mm × 12.7 mm. The specimens were impact tested, transversely, centrally and repeatedly with 32 and 42 J of energy. G1 specimens were healed after each impact until perforation occurred. G2 specimens were not healed after each impact and served as controls. At 32 J impact energy, G2 specimens were perforated at the 9th impact while G1 specimens lasted until the 15th impact; at 42 J impact energy, G2 specimens were perforated at the 5th impact while G1 specimens were perforated at the 7th impact. Visual inspection, C-scan, and scanning electron microscopy techniques were used to evaluate damage, failure modes, and healing efficiency.

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Crossref · 10.1088/0964-1726/19/3/035007

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34 of 34 references verified0 citation errors · 0 not checkable

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  • At lower impact energies of 32 J at a peak impact load of 5.9 kN, the impact damages could be fully healed up to the fifth impact-healing cycle.

    “At lower impact energies of 32 J at a peak impact load of 5.9 kN, the impact damages could be fully healed up to the fifth impact-healing cycle and specimens were perforated at the ninth impact for non-healed specimens, while healed specimens resisted until the 15th impact.”
  • At lower impact energies of 32 J at a peak impact load of 5.9 kN, non-healed specimens were perforated at the ninth impact.

    “At lower impact energies of 32 J at a peak impact load of 5.9 kN, the impact damages could be fully healed up to the fifth impact-healing cycle and specimens were perforated at the ninth impact for non-healed specimens, while healed specimens resisted until the 15th impact.”
  • The performance of specimens allowed to heal after impact compared with those not healed revealed a decrease in healing efficiency with cycling and increasing impact load.

    “The performance of specimens, which were allowed to heal after impact with those which were not healed, revealed a decrease in healing efficiency with cycling and increasing impact load.”
  • At lower impact energies of 32 J at a peak impact load of 5.9 kN, healed specimens resisted until the 15th impact.

    “At lower impact energies of 32 J at a peak impact load of 5.9 kN, the impact damages could be fully healed up to the fifth impact-healing cycle and specimens were perforated at the ninth impact for non-healed specimens, while healed specimens resisted until the 15th impact.”
  • Specimens impacted with 42 J of impact energy at a peak impact load of 6.1 kN, healed specimens lasted until the seventh impact.

    “Specimens impacted with 42 J of impact energy at a peak impact load of 6.1 kN, were perforated at the fifth impact, while healed specimens lasted until the seventh impact.”

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Cites

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Research works printed but not linked: 2

  1. Voss S, Fahmy A and West H 1993 Impact tolerance of laminated and three-dimensionally reinforced graphite-epoxy panels Advanced Composites 93: Int. Conf. on Advanced Composite Materials ed T Chandra and A K Dhingra (Warrendale, PA: The Minerals, Metals and Materials Society) pp 591-6
  2. Billaut F and Roussel O 1995 Impact resistance of 3D graphite/epoxy composites ICCM-10: Proc. 10th Int. Conf. on Composite Materials (Woodhead, Aug.) ed A Portsartip and K Street, pp V551-8

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Authors
Nji, J., & Li, G.
Affiliations
Louisiana State University (US)
Venue
Smart Materials and Structures
Published
2010-02-02
Volume
19
Issue
3
Pages
035007
ISSN
  • 0964-1726 (ISSN-L)
  • 1361-665X
OpenAlex
W1990335227
Cited by
131
References
34
Citations by year
2025: 4 · 2024: 5 · 2023: 8 · 2022: 12 · 2021: 9 · 2020: 6 · 2019: 4 · 2018: 7 · 2017: 3 · 2016: 13 · 2015: 8 · 2014: 15 · 2013: 9 · 2012: 11
FWCI
9.80
Type
journal article
Language
en
Open access
Locations
  • Smart Materials and Structures (publishedVersion)
  • Civil War Book Review (submittedVersion)
Funders
  • National Science Foundation (0946740, 0900064)
  • Division of Civil, Mechanical and Manufacturing Innovation
Topics
  • Physical Sciences › Materials Science › Polymers and Plastics › Polymer composites and self-healing
  • Physical Sciences › Engineering › Mechanics of Materials › Mechanical Behavior of Composites
  • Physical Sciences › Engineering › Mechanical Engineering › Advanced Materials and Mechanics
Keywords
self-healing materials, 3D woven fabrics, shape memory polymer composites, impact mitigation, impact resistance, thermomechanical cycling, damage healing, perforation resistance, failure modes, woven fabric reinforcement

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