超材料设计

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新方法制出坚固且有弹性的超材料
Ke Ji Ri Bao· 2025-04-27 23:42
Core Insights - A team from MIT has developed a method to create a new type of supermaterial that is both strong and flexible, overcoming the traditional trade-off between hardness and ductility in materials [1][3] - The new material features a "double network" design that combines rigid micro-support structures with softer woven structures, allowing it to stretch over four times its original size without breaking [1][2] Material Design and Applications - The new double network design is made from a polymer similar to acrylic and can be applied to create resilient ceramics, glass, and metals, making it suitable for tear-resistant textiles, flexible semiconductors, electronic chip packaging, and scaffolds for tissue repair [1][2] - The material's performance was validated through various stress tests, showing it can stretch to three times its length, which is ten times the stretching capability of traditional designs [2] Breakthrough in Material Science - This advancement represents a significant breakthrough in materials science, demonstrating how microstructural design can optimize overall material performance [3]