作　　者： ; ;

机构地区： 中国电子科技集团第十四研究所

出　　处： 《轻合金加工技术》 2011年第4期54-59,共6页

摘　　要： 温度场的分布不仅影响到摩擦搅拌焊缝区的材料流动,而且直接影响到焊缝各个区域微观组织结构,从而决定了焊接件的性能。结合试验研究了焊接工艺参数,主要是焊接速度和搅拌头旋转速度对2024铝合金焊接过程温度场的影响规律,得到了温度场在时间和空间上的分布规律,以及温度随焊接速度和搅拌头转速的变化规律,并研究了转速/焊速比对温度场的影响。 Temperature distribution during stir welding process not only affect the material flow pattern,but also affect the microstructure at different zones of the welding seam,subsequently decide the welding property of the welding parts.Several experiments have been implemented to study the influence of the welding parameters,such as the influence of the welding speed and rotating speed,on temperature distribution in the welding field of 2024 aluminum alloy plate.The distribution regularity of the temperature field in the temporal and space has been obtained,and the changing regularities among the temperature,welding speed and stir-head velocity have been obtained as well.The influence of the ratio between welding speed and rotating speed on temperature has been investigated.

关 键 词： 温度场 摩擦搅拌焊 焊接速度 搅拌头转速

领　　域： [金属学及工艺]