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Efficient welding of high strength steel
University West, Department of Engineering Science, Divison of Natural Sciences, Surveying and Mechanical Engineering. (PTW)ORCID iD: 0000-0001-8822-2705
University West, Department of Engineering Science, Division of Production Engineering. (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
2014 (English)In: Proceedings of the 6th International Swedish Production Symposium 2014 / [ed] Stahre, Johan, Johansson, Björn & Björkman, Mats, 2014, 1-8 p.Conference paper, Published paper (Refereed)
Abstract [en]

 Producing welds with properties matching those of the steel is a challenge at high strength levels. The present study investigated how cooling rates and dilution affects strength and toughness when welding steels with yield strengths of 777 MPa and 1193 MPa. Overmatching weld metal strength was achieved for the less strong steel and weld strengths >1000 MPa were recorded for the stronger steel. Fracture in transverse tensile testing was always located in base material or HAZ. Low dilution, rapid cooling and single pass welding contributed to higher strength. Impact toughness was higher for lower strength and low dilution.

Place, publisher, year, edition, pages
2014. 1-8 p.
Keyword [en]
Welding, high strength steels, strength, toughness, dilution
National Category
Manufacturing, Surface and Joining Technology
Research subject
ENGINEERING, Manufacturing and materials engineering
Identifiers
URN: urn:nbn:se:hv:diva-6709ISBN: 978-91-980974-1-2 (print)OAI: oai:DiVA.org:hv-6709DiVA: diva2:753667
Conference
6th Swedish Production Symposium
Available from: 2014-10-08 Created: 2014-09-25 Last updated: 2016-02-10Bibliographically approved

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Karlsson, LeifSvensson, Lars-ErikHurtig, Kjell

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Divison of Natural Sciences, Surveying and Mechanical EngineeringDivision of Production EngineeringDivision for Mechanical Engineering
Manufacturing, Surface and Joining Technology

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CiteExportLink to record
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Citation style
  • apa
  • ieee
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  • vancouver
  • Other style
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Language
  • de-DE
  • en-GB
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  • fi-FI
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  • Other locale
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Output format
  • html
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  • asciidoc
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