I am sorry.It is not used in TIG.Is is used in GMAW.
Th is added to increase the IP of W.
Xe is not used due to unavailability.
On Thu, Dec 9, 2010 at 11:03 AM, materials research <metmatsc@gmail.com> wrote:
---------- Forwarded message ----------
From: materials research <metmatsc@gmail.com>
Date: Thu, Dec 9, 2010 at 9:52 AM
Subject: TIG
To: materials-welding@googlegroups.com
In TIG, how can Carbon di oxide be used?doesn't it react with oxygen to give carbon monoxide and nitrogen to give cyanide??Also, why is the tungsten elctrode alloyyed with thorium?Why only Radon and not Xenon as the inertgas?
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