热塑性复合材料在民用飞机制造领域的应用近年来发展迅速,焊接技术是热塑性复合材料制造过程中的关键环节之一,是零件装配成部件必不可少的工艺过程.感应焊接技术是目前应用的几种焊接方法之一,通过感应线圈产生高频电磁场,加热电感材料使接头熔融,加压重新凝结后完成焊接过程.感应焊接工艺过程稳定,可实现连续化操作,受人为因素影响较小,是将来热塑性复合材料连接的重要发展方向.立足于提供此技术的基本原理,介绍此技术已取得的最新进展.同时,还介绍一些实验过程和实验装置.最后,还尝试简易描述焊接区域的温度场分布,以便于焊接实验者进行工艺参数评价.
In recent years,the application of thermoplastic composites in civil aircraft is rapidly developed.Welding technology is an important connection process for thermoplastic composites manufacturing and essential process from single component to part.The induction welding technology introduced in this paper is one of the several welding methods used recently.In this technology,the induction coil is used to generate high frequency electromagnetic field,and then the susceptor material is heated.Induction welding is a stable process and can be realized continuously.The whole process is rarely affected by personnel factor.It is an important development direction to connect thermoplastic composites component in the future.Based on the nature of induction welding technology,this paper introduces the latest development of this technology.At the same time,this also introduces some experimental processing and devices.Finally,the temperature field distribution in the welding area is also briefly described,to help to evaluate the processing parameters.
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