Randy Dull

Director of Engineering and Arc Welding
Edison Welding Institute
1250 Arthur E. Adams Drive
Columbus, OH 43221

Phone: 614-688-5095
Contact via email
The blends that bind - TheFabricator.com

Arc Welding | Articles

The blends that bind

November 5, 2012 | By Randy Dull

Shielding gases do more than just protect the weld from atmospheric contamination. The gas and gas blends you use also influence the weld profile and the weld bead shape. Also, for an arc to occur in gas metal arc welding (GMAW), an ionized gas must be present to carry the charge.

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Plasma arc welding

Arc Welding | Articles

Advantages of plasma welding: Often-overlooked PAW offers speed and affordability

February 19, 2001 | By Randy Dull

Plasma arc welding sometimes offers greater welding speed than gas tungsten arc welding at lower cost than laser beam welding.

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