Laser transmission welding of optical transparent thermoplastics

被引：21
|
作者：
Devrient, M. [1 ]
Frick, T. [1 ]
Schmidt, M. [1 ]
机构：
[1] Blz Bayer Laserzentrum GmbH, D-91052 Erlangen, Germany
来源：
LASERS IN MANUFACTURING 2011: PROCEEDINGS OF THE SIXTH INTERNATIONAL WLT CONFERENCE ON LASERS IN MANUFACTURING, VOL 12, PT A | 2011年 / 12卷
关键词：
laser transmission welding; thermoplastics; transparent; process analysis; experimental studies; process simulation;
D O I：
10.1016/j.phpro.2011.03.020
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Laser transmission welding is a well known joining technology for thermoplastics. As undoped thermoplastics have a low absorption for electro-magnetic radiation with wave lengths from 350 nm till 1,400 nm absorbers are used for laser transmission welding. One disadvantage may be the unmeant colouration which occurs when thermoplastics are doped with absorbers. Therefore an approach to weld transparent thermoplastics by the use of common diode lasers but without absorbers is presented. The developed system technology is introduced and results of welding experiments as well as results achieved by process simulation with a finite element model are shown.
引用
收藏
页码：157 / 165
页数：9
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