Checked content

File:TIG Weld low magnification.jpg

TIG_Weld_low_magnification.jpg(640 × 480 pixels, file size: 289 KB, MIME type: image/jpeg)


Experimental TIG weld of type 6061 aluminium plate 4mm thick, 200 peak amperes AC (65% electrode negative, 10 pulses/second at 50% pulse duty cycle, 5 amperes maintenance current between pulses), welded under argon gas with filler rod, showing weld bead, characteristic AC TIG etch, and unaffected metal surface. Photographed via Wild M5Z microscope and Konica-Minolta X1 digital camera by W.S. Yerazunis. Image scale approximate.


Public domain I, the copyright holder of this work, release this work into the public domain. This applies worldwide.
In some countries this may not be legally possible; if so:
I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

The following pages on Schools Wikipedia link to this image (list may be incomplete):


I want to learn more...

SOS Children has brought Wikipedia to the classroom. In 133 nations around the world, SOS Children works to bring better education and healthcare to families in desperate need of support. Try to find out how you can help children in other countries on our web site.