Bioinspired self-healing of advanced composite structures using hollow glass fibres

Trask, Richard S.; Williams, Gareth; Bond, Ian P

doi:10.1098/rsif.2006.0194

Cited by 334 publications

(194 citation statements)

References 27 publications

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“…( Figure 4a), [59][60][61][62][63][64] hollow glass fibers ( Figure 4b), [65][66][67][68][69][70] and phase-separated droplets. 71 The interaction of a crack with the storage vessel plays a critical role in the successful design of these self-healing materials.…”

Section: Trigger and Release For Autonomic Healingmentioning

confidence: 99%

Bioinspired Materials for Self-Cleaning and Self-Healing

Youngblood¹,

Sottos²

2008

MRS Bull.

110

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Biological systems have the ability to sense, react, regulate, grow, regenerate, and heal. Recent advances in materials chemistry and micro-and nanoscale fabrication techniques have enabled biologically inspired materials systems that mimic many of these remarkable functions. This issue of MRS Bulletin highlights two promising classes of bioinspired materials systems: surfaces that can self-clean and polymers that can self-heal. Self-cleaning surfaces are based on the superhydrophobic effect, which causes water droplets to roll off with ease, carrying away dirt and debris. Design of these surfaces is inspired by the hydrophobic micro-and nanostructures of a lotus leaf. Self-healing materials are motivated by biological systems in which damage triggers a site-specific, autonomic healing response. Self-healing has been achieved using several different approaches for storing and triggering healing functionality in the polymer. In this issue, we examine the most successful strategies for self-cleaning and self-healing materials and discuss future research directions and opportunities for commercial applications. Bioinspired Materialsfor Self-Cleaning and Self-Healing Jeffrey P. Youngblood and Nancy R. Sottos, Guest Editors water droplets. 11-13 Self-healing materials are inspired by living systems in which minor damage (e.g., a contusion or bruise) triggers an autonomic healing response. Successful healing relies on seamless integration of reactive chemical functionality into a polymer or polymer composite at the microscale, nanoscale, or molecular level. Although these two functions are quite different, together they represent the wide range of autonomic responses achievable through bioinspired design. In this article, we separately introduce the key elements of self-cleaning and self-healing materials systems and identify the scientific challenges and successful strategies for continued advancement of these nascent fields. Self-Cleaning SurfacesInterest in self-cleaning surfaces has been rekindled because of the newfound ability to structure surfaces on the submicron scale over large planar areas relevant to macroscale wetting. These structured surfaces allow the so-called "lotus-leaf effect," whereby water droplets are shed easily from certain structures, carrying away dirt and other debris. 11-13 Such bioinspired topographical methods toward self-cleaning are the focus of this review.

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Section: Trigger and Release For Autonomic Healingmentioning

confidence: 99%

Bioinspired Materials for Self-Cleaning and Self-Healing

Youngblood¹,

Sottos²

2008

MRS Bull.

110

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“…The hollow glass fibers can be used as an ideal medium for storing healing components together with exploring them as structural reinforcing agents in advanced epoxy composite structures [62][63][64][65]. Hollow glass fibers with external diameter of 60 !m and 50% hollow fraction was used by Pang and Bond [62] to restore the healing components.…”

Section: Hollow Glass Fibers (Hgf) and Hollow Glass Bubbles (Hgb) As mentioning

confidence: 99%

‘Containers’ for self-healing epoxy composites and coating: Trends and advances

Vijayan¹,

Al-Maadeed²

2016

Express Polym. Lett.

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Abstract.The introduction of self-healing functionality into epoxy matrix is an important and challenging topic. Various micro/nano containers loaded self-healing agents are developed and incorporated into epoxy matrix to impart self-healing ability. The current report reviews the major findings in the area of self-healing epoxy composites and coatings with special emphasis on these containers. The preparation and use of polymer micro/nano capsules, polymer fibers, hollow glass fibers/bubbles, inorganic nanotubes, inorganic meso-and nano-porous materials, carbon nanotubes etc. as self-healing containers are outlined. The nature of the container and its response to the external stimulations greatly influence the self-healing performance. The self-healing mechanism associated with each type of container and the role of container parameters on self-healing performance of self-healing epoxy systems are reviewed. Comparison of the efficiency offered by different types of containers is introduced. Finally, the selection of containers to develop cost effective and green self-healing systems are mentioned.

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“…Epoxy matrices containing integrated networks filled with active fluids have demonstrated the ability to indicate internal damage [1][2][3][4] as well as to autonomously heal from single [4][5][6] and repeated 5,7,8 damage events. In this respect, these systems bear a significant resemblance to natural vasculature, which functions to transport fluids throughout biological tissue for various functions including, but not limited to self-healing.…”

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confidence: 99%