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Power characteristics in GMAW: experimental and numerical investigation
MEFOS − Stiftelsen för Metallurgisk Forskning.
MEFOS − Stiftelsen för Metallurgisk Forskning.
MEFOS − Stiftelsen för Metallurgisk Forskning.
MEFOS − Stiftelsen för Metallurgisk Forskning.
1995 (English)In: Welding Journal, ISSN 0043-2296, Vol. 74, no 3, p. 93s-102sArticle in journal (Refereed)
Abstract [en]

The voltage and power distributions in gas metal arc welding (GMAW) were studied both experimentally and numerically. The principal voltage drop takes place in the arc, which also constitutes the dominant power contribution. Within the arc, the dominating voltage contributions are from the arc column and the cathode fall, while the anode fall and the electrode regions are less significant. The power input to the arc column increases with both increasing current and increasing arc length. These results indicate that it is critical to control the arc length in order to control the power input to the system.

Place, publisher, year, edition, pages
1995. Vol. 74, no 3, p. 93s-102s
National Category
Materials Engineering
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URN: urn:nbn:se:ri:diva-12753Scopus ID: 2-s2.0-0029276568OAI: oai:DiVA.org:ri-12753DiVA, id: diva2:972945
Available from: 2016-09-22 Created: 2016-09-22 Last updated: 2017-11-21Bibliographically approved

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