Welding of polymers using a 2 mu m thulium fiber laser
Abbreviated Journal Title
Opt. Laser Technol.
Polymer welding; Fiber laser; Laser materials processing; Optics; Physics, Applied
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.
Optics and Laser Technology
"Welding of polymers using a 2 mu m thulium fiber laser" (2012). Faculty Bibliography 2010s. 3033.