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Impact Energy Absorption Analysis of Shape Memory Hybrid Composites

Journal of Composites Science, ISSN: 2504-477X, Vol: 6, Issue: 12
2022
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  • 13
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Metric Options:   Counts1 Year3 Year

Metrics Details

  • Captures
    13
  • Mentions
    1
    • News Mentions
      1
      • News
        1

Most Recent News

Institute of Space Technology Researchers Provide New Data on Composites Science (Impact Energy Absorption Analysis of Shape Memory Hybrid Composites)

2023 JAN 11 (NewsRx) -- By a News Reporter-Staff News Editor at NewsRx Science Daily -- Investigators discuss new findings in composites science. According to

Article Description

Shape memory hybrid composites are hybrid structures with fiber-reinforced-polymer matrix materials. Shape memory wires due to shape memory/super-elastic properties exhibit a pseudo-elastic response with good damping/energy absorption capability. It is expected that the addition of shape memory wires in the glass-fiber-reinforced-polymer matrix composite (GFRP) will improve their mechanical and impact resistant properties. Stainless-steel wires are also expected to improve the impact resistance properties of GFRPs. In this research work, we investigated the effect of addition of shape memory wires and stainless-steel wires on the impact resistance properties of the GFRP and compared our results with conventional GFRPs. Super-elastic shape memory alloy wires and stainless-steel wires were fabricated as meshes and composites were fabricated by the hand-layup process followed by vacuum bagging and the compression molding setup. The shape-memory-alloy-wires-reinforced GFRP showed maximum impact strength followed by stainless-steel-wires-reinforced GFRPs and then conventional GFRPs. The effect of the energy absorption capability of super-elastic NiTi wires owing to their energy hysteresis was attributed to stress-induced martensitic transformation in the isothermal regime above the austenite transformation temperature. The smart shape memory wires and stainless-steel-wires-based hybrid composites were found to improve the impact strength by 13% and 4%, respectively, as compared to the unreinforced GFRPs. The shape-memory-reinforced hybrid composite also dominated in specific strength as compared to stainless-steel-wires-reinforced GFRPs and conventional GFRPs.

Bibliographic Details

Huma Ozair; Muhammad Atiq Ur Rehman; Abrar H. Baluch; Ibrahim Qazi; Abdul Wadood; Khurram Yaqoob

MDPI AG

Materials Science; Engineering

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