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Self-healing Materials With Microvascular Networks (Image 3)
Healing agent containing microcapsules used in self-healing polymers. A steel ruler is pictured in the background for reference (healing agent dyed red for clarity).
In nature, damage to an organism elicits a healing response. A research team led by Scott White, group leader for the Autonomous Materials Systems group at the Beckman Institute for Advanced Science and Technology at the University of Illinois at Urbana-Champaign, decided to apply this concept to synthetic materials design, and developed a self-healing polymer. Tiny capsules containing a healing agent are embedded in the polymer. When the material is damaged, the capsule ruptures and releases the healing agent, which repairs cracks. Further information about this new generation of bio-inspired healing materials is available Here. (Date of Image: 2004) [Image 3 of 5 related images. See Image 4.]
Credit: Magnus Andersson, University of Illinois, 2004
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