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The Ningbo Institute of Materials Technology and Engineering at the Chinese Academy of Sciences has recently announced groundbreaking findings regarding the efficient self-healing capabilities of Ti3AlC2 MAX phase nanowires at room temperature. According to transmission electron microscopy experiments, the fracture strength of damaged Ti3AlC2 nanowires can be rejuvenated to 2.1 GPa within just 5 minutes of self-healing, demonstrating a remarkable efficiency of 36.2%. Furthermore, the research revealed an intriguing trend: the smaller the diameter of the nanowires, the greater their repair efficiency. By leveraging atomic-scale characterization techniques and computational simulations, the study has unveiled the underlying microscopic physical mechanism behind this phenomenon.
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