Image icon  Series of laser welds in amorphous PET

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Description: A 900 Watt IR laser (940nm wavelength) with a beam spread of 10mm was used to form lap joints between 0.5mm thick sheets of amorphous polyethylene terephthalate (APET). Different raster rates have been used: 5, 10, 25, 40 and 60 m/min from top to bottom.
Keywords: laser • laser-weld • polyethylene (PE) • polyethylene terephthalate (PET) • polymer • weld
Categories: Science approaches > Microstructure
Materials > Polymers & elastomers > Plastics > Thermoplastics > Polyethylene terephthalate (PET)
Testing, analysis & experimentation > Metallography
Scale > Micro
Created by: DoITPoMS, University of Cambridge
J A Curran, Department of Materials Science and Metallurgy, University of Cambridge
Published by: DoITPoMS, University of Cambridge
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Date created: 03 October 2002
Date added: 21 August 2009
Resource ID: 1658