Apr 16, 2014 #1 bpeirson Structural Joined Apr 7, 2003 Messages 147 Location CA How does extra CO2 affect the GMAW process? Specifically switching to 75%-25% Ar & CO2 from 92%-8% Ar & CO2. This question also appears in "Welding, Bonding and Fastener engineering" group but I think this group may have some insight as well.
How does extra CO2 affect the GMAW process? Specifically switching to 75%-25% Ar & CO2 from 92%-8% Ar & CO2. This question also appears in "Welding, Bonding and Fastener engineering" group but I think this group may have some insight as well.
Apr 16, 2014 #2 redpicker Materials Joined Mar 7, 2005 Messages 901 Location US The CO2 will ionize much easier than the Ar, so having a higher CO2 content will lower the arc temperature. rp Upvote 0 Downvote
The CO2 will ionize much easier than the Ar, so having a higher CO2 content will lower the arc temperature. rp
Apr 16, 2014 #3 weldstan Materials Joined Jun 24, 2011 Messages 2,809 Location US Full spray transfer will be achieved with correct voltage/amps. 75 Ar - 25 CO2 provides globular (near spray) transfer. Upvote 0 Downvote
Full spray transfer will be achieved with correct voltage/amps. 75 Ar - 25 CO2 provides globular (near spray) transfer.