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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.


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