摘要
研究了超声处理对Al-2Sn合金凝固组织及除气的影响,除气效果用密度法来表征。结果表明,超声处理对铸锭凝固组织的细化和除气有极佳的效果。使用2000 W超声功率处理30 s的晶粒细化效果最好,铸锭断面组织主要为等轴晶;使用2000 W超声处理60 s具有最佳的除气效果,此时铸锭的密度和除气率最高,分别为2.7224 g/cm^(3)和67%。最后对高强超声的细化和除气机理也进行了分析。
The effect of ultrasonic treatment on solidification microstructure and degassing of Al-2Sn alloy was studied,The effect of gas removal is characterized by the density method.The results show that the ultrasonic treatment has an excellent effect on refining and degassing of solidification structure of the ingot.The grain refinement effect is best when treated with 2000 W ultrasonic power for 30 s,and the microstructure of the ingot section is equiaxed grain.Ingots treated with 2000 W ultrasonic for 60 s has the best degassing effect,and the density and degassing rate of the ingot are the highest at this time,which are 2.7224 g/cm^(3)and 67%,respectively.Finally,the refinement and degassing mechanism of high-intensity ultrasound was also analyzed.
作者
徐海鹏
路林
贾征
陈杼鑫
杜安娜
XU Haipeng;LU Lin;JIA Zheng;CHEN Zhuxin;DU Anna(College of Mechanical Engineering,Shenyang University,Shenyang 110044,China)
出处
《热加工工艺》
北大核心
2024年第15期19-21,26,共4页
Hot Working Technology
基金
国家自然科学基金资助项目(51901037)
辽宁省自然科学基金项目(20170520310)
辽宁省自然科学基金指导计划项目(2019-ZD-0561)
辽宁省博士启动基金项目(2019-BS-083)
2019年沈阳大学大学生创新创业训练计划项目(2019110350102)。
