The materials science landscape is undergoing a paradigm shift from static, damage-intolerant structures to dynamic, autonomous systems capable of self-repair and adaptation. By 2026 and beyond, self-healing and smart materials are projected to revolutionize industries ranging from aerospace to healthcare, driven by the convergence of artificial intelligence (AI) and sustainability mandates.

Core Mechanisms Self-healing materials function through two primary mechanisms:

• Extrinsic Healing: Relies on embedded "healing agents" stored in microcapsules or vascular networks. When damage occurs, these capsules rupture, releasing agents that polymerize to seal cracks.

• Intrinsic Healing: Utilizes reversible chemical bonds (e.g., Diels-Alder reactions, vitrimers) within the material m ...