Ultra-fine grain material;Grain refine;Plasticity;Damping capacity;Friction interface thermo-induced transferring method (FITT);Cooling friction stir processing (CFSP

• 01超细晶材料;晶粒细化;塑性;阻尼性能;摩擦面热诱导转移法;强冷搅拌摩擦工艺