A Study on out-of-phase current pulses of the double wire MIG/MAG process with insulated potentials on coating applications: part II
This paper presents a continuation of a study carried out on the use of the out-of-phase current pulses technology applied to the Double Wire MIG/MAG welding process with Insulated Potentials on welded coatings. In the first part it was reported how the level of out-phase pulsed current acts on arc configuration, droplet paths, bead finishing and arc stability. The objective now is to show the effect on the bead geometry caused by changes in arc and metal transfer. Beads were deposited on plate in a flat position and out-of-phase levels were varied. The results showed that, with the electrodes positioned side by side and mean currents below the transition current, the lag time between out-of-phase current pulses have a remarkable influence on the penetration profile of the weld bead.
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Associação Brasileira de Engenharia e Ciências Mecânicas - ABCM
2007
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oai:scielo:S1678-587820070002000112007-09-03A Study on out-of-phase current pulses of the double wire MIG/MAG process with insulated potentials on coating applications: part IIMotta,Marcelo F.Dutra,Jair CarlosGohr Jr,RaulScotti,Américo welding MIG/MAG double wire out-of-phase pulsed current This paper presents a continuation of a study carried out on the use of the out-of-phase current pulses technology applied to the Double Wire MIG/MAG welding process with Insulated Potentials on welded coatings. In the first part it was reported how the level of out-phase pulsed current acts on arc configuration, droplet paths, bead finishing and arc stability. The objective now is to show the effect on the bead geometry caused by changes in arc and metal transfer. Beads were deposited on plate in a flat position and out-of-phase levels were varied. The results showed that, with the electrodes positioned side by side and mean currents below the transition current, the lag time between out-of-phase current pulses have a remarkable influence on the penetration profile of the weld bead.info:eu-repo/semantics/openAccessAssociação Brasileira de Engenharia e Ciências Mecânicas - ABCMJournal of the Brazilian Society of Mechanical Sciences and Engineering v.29 n.2 20072007-06-01info:eu-repo/semantics/articletext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1678-58782007000200011en10.1590/S1678-58782007000200011 |
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Motta,Marcelo F. Dutra,Jair Carlos Gohr Jr,Raul Scotti,Américo |
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Motta,Marcelo F. Dutra,Jair Carlos Gohr Jr,Raul Scotti,Américo A Study on out-of-phase current pulses of the double wire MIG/MAG process with insulated potentials on coating applications: part II |
| author_facet |
Motta,Marcelo F. Dutra,Jair Carlos Gohr Jr,Raul Scotti,Américo |
| author_sort |
Motta,Marcelo F. |
| title |
A Study on out-of-phase current pulses of the double wire MIG/MAG process with insulated potentials on coating applications: part II |
| title_short |
A Study on out-of-phase current pulses of the double wire MIG/MAG process with insulated potentials on coating applications: part II |
| title_full |
A Study on out-of-phase current pulses of the double wire MIG/MAG process with insulated potentials on coating applications: part II |
| title_fullStr |
A Study on out-of-phase current pulses of the double wire MIG/MAG process with insulated potentials on coating applications: part II |
| title_full_unstemmed |
A Study on out-of-phase current pulses of the double wire MIG/MAG process with insulated potentials on coating applications: part II |
| title_sort |
study on out-of-phase current pulses of the double wire mig/mag process with insulated potentials on coating applications: part ii |
| description |
This paper presents a continuation of a study carried out on the use of the out-of-phase current pulses technology applied to the Double Wire MIG/MAG welding process with Insulated Potentials on welded coatings. In the first part it was reported how the level of out-phase pulsed current acts on arc configuration, droplet paths, bead finishing and arc stability. The objective now is to show the effect on the bead geometry caused by changes in arc and metal transfer. Beads were deposited on plate in a flat position and out-of-phase levels were varied. The results showed that, with the electrodes positioned side by side and mean currents below the transition current, the lag time between out-of-phase current pulses have a remarkable influence on the penetration profile of the weld bead. |
| publisher |
Associação Brasileira de Engenharia e Ciências Mecânicas - ABCM |
| publishDate |
2007 |
| url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1678-58782007000200011 |
| work_keys_str_mv |
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