Change search
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf
Effect of shielding gas on welding performance and properties of duplex and superduplex stainless steel welds
University West, Department of Engineering Science, Division of Manufacturing Processes. (Welding Research Group, PTW)ORCID iD: 0000-0003-3374-6282
University West, Department of Engineering Science, Division of Manufacturing Processes. (PTW)ORCID iD: 0000-0001-8822-2705
University West, Department of Engineering Science, Division of Manufacturing Processes. (Welding, PTW)ORCID iD: 0000-0003-2560-0531
University West, Department of Technology, Mathematics and Computer Science, Division for Mechanical Engineering. (PTW)ORCID iD: 0000-0002-0234-3168
Show others and affiliations
2015 (English)In: Welding in the World, ISSN 0043-2288, E-ISSN 1878-6669, Vol. 59, no 2, 239-249 p.Article in journal (Refereed) Published
Abstract [en]

The influence of shielding gases on welding performanceand on properties of duplex and superduplex stainlesssteel welds was studied. Using argon as the reference gas,helium, nitrogen and carbon dioxide were added and fivemixtures evaluated. Bead-on-plate welds and circumferentialpipe welds were produced using mechanisedGMAwelding inthe downhand position. Welding performance, corrosion resistance,mechanical properties, microstructural features andweld imperfections were assessed and related to the shieldinggas. Shielding gases containing 30 % helium showed excellentresults; whilst pure argon showed unstable arc and poorweld pool fluidity and Ar+2 %CO2 resulted in underfill andporosity. Mixtures containing helium resulted in higher ductilitywelds and higher impact toughness values than weldsproduced with Ar+2 %CO2. Sound and balanced duplexmicrostructures free from intermetallics were found with suitableferrite contents for all the shielding gases studied. All theduplex pipe welds passed the corrosion test regardless of theshielding gas used, and the best results in the corrosion test forsuperduplex pipe welds were found when using Ar+30 %He+0.5 %CO2+1.8 %N2 as shielding gas.

Place, publisher, year, edition, pages
Springer Berlin/Heidelberg, 2015. Vol. 59, no 2, 239-249 p.
Keyword [en]
Duplex stainless steels, welding, GMAW, shielding gases
National Category
Manufacturing, Surface and Joining Technology
Research subject
ENGINEERING, Manufacturing and materials engineering
Identifiers
URN: urn:nbn:se:hv:diva-7006DOI: 10.1007/s40194-014-0199-7Scopus ID: 2-s2.0-84922277059OAI: oai:DiVA.org:hv-7006DiVA: diva2:763982
Funder
Knowledge Foundation
Available from: 2014-11-17 Created: 2014-11-17 Last updated: 2017-12-05Bibliographically approved

Open Access in DiVA

No full text

Other links

Publisher's full textScopushttp://link.springer.com/article/10.1007/s40194-014-0199-7

Authority records BETA

Valiente Bermejo, María AsunciónKarlsson, LeifSvensson, Lars-ErikHurtig, Kjell

Search in DiVA

By author/editor
Valiente Bermejo, María AsunciónKarlsson, LeifSvensson, Lars-ErikHurtig, Kjell
By organisation
Division of Manufacturing ProcessesDivision for Mechanical Engineering
In the same journal
Welding in the World
Manufacturing, Surface and Joining Technology

Search outside of DiVA

GoogleGoogle Scholar

doi
urn-nbn

Altmetric score

doi
urn-nbn
Total: 225 hits
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf