气流搅拌振动复合法半固态浆料制备装置与工艺

摘要

介绍了气流搅拌复合振动法制备半固态浆料的装置,分析了几种不同状态下的铸态显微组织.通过对比平均晶粒尺寸和圆整度,证明了复合机械振动后可以使得晶粒圆整度得到显著改善,同时平均晶粒尺寸进一步减小,并从机理上阐述了复合方法制浆的优越性.%This paper describes the apparatus used for the preparation of semi-solid slurry by gas-bubbling method combined with mechanical vibration. The microstructures in several different cast states were analyzed. The comparison of the equivalent diameter and mean roundness of the grains shows that using gas-bubbling method combined with mechanical vibration, the mean roundness of the grains can get a significant improvement and the equivalent diameter is further reduced. Finally, the mechanism of gas-bubbling method combined with mechanical vibration was discussed.