Ultra-fine grain material;Grain refine;Plasticity;Damping capacity;Friction interface thermo-induced transferring method (FITT);Cooling friction stir processing (CFSP是什么意思_Ultra-fine grain material;Grain refine;Plasticity;Damping capacity;Friction interface thermo-induced transferring method (FITT);Cooling friction stir processing (CFSP在线翻译_英语_读音_用法_例句