晶界偏析理论对超声金属焊接速冷现象的分析  

On the Quick-Cool Phenomenon in Ultrasonic Metal Welding——Basing on the Grain Boundary Segregating Theory

作　　者：邓思文[1] 蒋华刚[1] 贺龙[1] 

机构地区：[1]陕西师范大学应用声学研究所,陕西西安710062

出　　处：《河池学院学报》2008年第2期108-111,共4页Journal of Hechi University

摘　　要：在阐述了金属超声焊接的原理特点、焊接过程和焊接工艺参数的基础上,利用晶界偏析理论分析了焊接粘合后,焊区快速冷却的现象.The paper firstly presents the basic principles, characters and process of ultrasonic metal welding, together with the parameter influence of welding craft. With the grain boundary segregation theory, it then clearly explains the reason why soldered area will quickly cool after the adhesion of interfaces.

关 键 词：超声金属焊接 塑性形变 超声波 界面 晶界偏析 

分 类 号：TG453[金属学及工艺—焊接]