Welding of polymers using a 2 μm thulium fiber laser

被引：325

作者：

Mingareev, Ilya ^{[1
]}

Weirauch, Fabian ^{[1
,2
]}

Olowinsky, Alexander ^{[2
]}

Shah, Lawrence ^{[1
]}

Kadwani, Pankaj ^{[1
]}

Richardson, Martin ^{[1
]}

机构：

[1] Univ Cent Florida, CREOL, Townes Laser Inst, Orlando, FL 32816 USA

[2] Fraunhofer Inst Laser Technol, D-52074 Aachen, Germany

来源：

OPTICS AND LASER TECHNOLOGY | 2012年 / 44卷 / 07期

关键词：

Polymer welding; Fiber laser; Laser materials processing;

D O I：

10.1016/j.optlastec.2012.03.020

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Absorber-free transmission and butt-welding of different polymers were performed using thulium fiber laser radiation at the wavelength 2 mu m. The relations between the laser process conditions and the dimensions and quality of the seam were investigated by means of optical and phase-contrast microscopy. Mechanical properties of the weld joints were studied in tensile strength tests. Laser-welded polyethylene samples revealed a tensile strength of greater than 80% of the bulk material strength. Transmission welding of different polymer combinations featured the formation of different joint classes depending on the spectral properties. The experiments demonstrate new application areas of mid-IR fiber laser sources for materials processing. (c) 2012 Elsevier Ltd. All rights reserved.

引用

页码：2095 / 2099

页数：5

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