金属熔体超声细化处理技术的研究进展  

Review on Metal Melt Treatment Technology Using with Ultrasonic Field

作　　者：郭峰[1] 罗沛兰[1] 毕秋[1] 李克[1] 

机构地区：[1]南昌大学机电工程学院,江西南昌330031

出　　处：《金属材料与冶金工程》2008年第1期59-64,共6页Metal Materials and Metallurgy Engineering

基　　金：江西省自然科学基金(0650090);江西省教育厅科技计划项目(200614);江西省科技攻关项目(S0006)

摘　　要：简述了熔体超声细化技术的机理,重点分析了超声功率、超声处理熔体温度、处理时间、冷却方式、超声变幅杆施振位置、超声导入方式和铸型尺寸及形状等工艺参数对超声细化效果的影响,指出了超声细化技术研究目前存在的主要问题,并对未来提出了展望。The mechanism on ultrasonic refining technology is described in brief. The effects of technical parameters, including ultrasonic power, melt temperature, processing time, cooling-down methods, the vibrating position of ultrasonic transformer, the ultrasonic -producing methods, dimension and shape of the casting mold, on the refining efficiency are analyzed on the emphasis. And the urgent problems at present for ultrasonic refining technology and its prospect are reviewed.

关 键 词：超声 细化机制 细化工艺 

分 类 号：TG146.2[一般工业技术—材料科学与工程]