self-healing material
SELF-HEE-ling muh-TEER-ee-ul
sɛlf ˈhiːlɪŋ məˈtɪəriəlListen
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Dictionary meaning
a material engineered to automatically detect and repair damage to its own structure without external intervention, mimicking the wound-healing capacity of biological tissues; self-healing mechanisms include microencapsulated healing agents that rupture upon crack formation to deliver polymerising fluids into the damage site, vascular network systems inspired by blood vessels that deliver repair agents through embedded channels, and intrinsic self-healing polymers containing reversible covalent bonds or non-covalent interactions that can reform across fractured surfaces when stimulated by heat, light, or moisture; the technology promises to extend the service life of structural components, coatings, and electronics
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