Plasma arc keyhole welding stability and quality through titanium nitride additions
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United States of America Patent
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Dec 17, 2002
Grant Date -
Nov 21, 2002
app pub date -
May 18, 2001
filing date -
May 18, 2001
priority date (Note) -
Expired
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Abstract
A method for reducing or eliminating sagging in plasma arc keyhole welds adds a fluxing agent to the weld. The fluxing agent may be titanium nitride and/or titanium carbonitride. The fluxing agent is added using physical vapor deposition or by painting a slurry onto the weld surface.
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