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Advances in Materials Science

The Journal of Gdansk University of Technology

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2083-4799
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Cracking of High-Strength Steel Welded Joints

K. Pańcikiewicz
  • Corresponding author
  • AGH University of Science and Technology, Faculty of Metals Engineering and Industrial Computer Science, Department of Physical and Powder Metallurgy, 30-059 Cracow, Poland
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  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ A. Zielińska-Lipiec
  • AGH University of Science and Technology, Faculty of Metals Engineering and Industrial Computer Science, Department of Physical and Powder Metallurgy, 30-059 Cracow, Poland
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ E. Tasak
  • AGH University of Science and Technology, Faculty of Metals Engineering and Industrial Computer Science, Department of Physical and Powder Metallurgy, 30-059 Cracow, Poland
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
Published Online: 2013-10-15 | DOI: https://doi.org/10.2478/adms-2013-0013

ABSTRACT

Fracture evaluation of welded joints in high-strength steels, with bainitic and martensitic structures, is presented and cracking mechanisms discussed. Hot cracks or microcracks formed during welding are further expanded as cold cracks on cooling. The cause of cracking is shown to be low temperature of weld solidification and deformation-induced contraction. Hydrogen can also be an important factor in this cracking.

Keywords : hot cracking; cold cracking; hydrogen cracking; 7CrMoVTiB10-10 welded joint

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About the article

Published Online: 2013-10-15

Published in Print: 2013-09-01


Citation Information: Advances in Materials Sciences, Volume 13, Issue 3, Pages 76–85, ISSN (Online) 2083-4799, ISSN (Print) 1730-2439, DOI: https://doi.org/10.2478/adms-2013-0013.

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