Dislocation motion and anelastic recovery in layered ceramic titanate

本计画旨在研究脆性陶瓷奈米线材料的变形与断裂，以及拉伸变形时的滞弹性行为。层状钛酸钠用于储能和水处理，但原位拉伸测试观察到非常规的变形行为，具有显着的位错运动和滞弹性恢复。本计画将透过分子动力学模拟、经验原子间作用势及原位透射电子显微镜实验，研究层状钛酸钠奈米线的变形机制。预期成果包括这种层状钛酸盐的变形机制的知识，可以扩大到技术上重要的层状陶瓷材料。

This project aims to research deformation and facture in brittle ceramic nanowire materials and anelastic behaviour in tensile deformation. Layered sodium titanate is used in energy storage and water treatment, but in-situ tensile tests have observed unconventional deformation behaviour, with significant dislocation motion and anelastic recovery. This project will study the deformation mechanism in layered sodium titanate nanowires through molecular dynamics simulations, empirical interatomic potential, and in situ TEM experiments. Expected outcomes include knowledge of the deformation mechanism of this layered titanate which can be broadened to technologically important layered ceramic materials.