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Fatigue performance of friction stir welded marine grade steel.

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Title: Fatigue performance of friction stir welded marine grade steel.
Authors: Polezhayeva, Helena1, Toumpis, Athanasios I.2 athanasios.toumpis@strath.ac.uk, Galloway, Alexander M.2, Molter, Lars3, Ahmad, Bilal4, Fitzpatrick, Michael E.5
Source: International Journal of Fatigue. Dec2015, Vol. 81, p162-170. 9p.
Subjects: Friction stir welding, Material fatigue, Fracture mechanics, Welded joints, Hardness
Abstract: An extensive study on the fatigue performance of friction stir welded DH36 steel was carried out. The main focus of this experimental testing programme was fatigue testing accompanied by tensile tests, geometry measurements, hardness and residual stress measurements, and fracture surface examination. The S – N curve for friction stir butt welded joints was generated and compared with the International Institute of Welding recommendations for conventional fusion butt welds. Friction stir welds of marine grade steel exceeded the relevant rules for fusion welding. This newly developed S – N curve is being proposed for use in the relevant fatigue assessment guidelines for friction stir welding of low alloy steel. Fracture surfaces were examined to investigate the fatigue failure mechanism, which was found to be affected by the processing features generated by the friction stir welding tool. [ABSTRACT FROM AUTHOR]
Copyright of International Journal of Fatigue is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 109955842
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Fatigue performance of friction stir welded marine grade steel.
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  Data: <searchLink fieldCode="AR" term="%22Polezhayeva%2C+Helena%22">Polezhayeva, Helena</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Toumpis%2C+Athanasios+I%2E%22">Toumpis, Athanasios I.</searchLink><relatesTo>2</relatesTo><i> athanasios.toumpis@strath.ac.uk</i><br /><searchLink fieldCode="AR" term="%22Galloway%2C+Alexander+M%2E%22">Galloway, Alexander M.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Molter%2C+Lars%22">Molter, Lars</searchLink><relatesTo>3</relatesTo><br /><searchLink fieldCode="AR" term="%22Ahmad%2C+Bilal%22">Ahmad, Bilal</searchLink><relatesTo>4</relatesTo><br /><searchLink fieldCode="AR" term="%22Fitzpatrick%2C+Michael+E%2E%22">Fitzpatrick, Michael E.</searchLink><relatesTo>5</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22International+Journal+of+Fatigue%22">International Journal of Fatigue</searchLink>. Dec2015, Vol. 81, p162-170. 9p.
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  Data: <searchLink fieldCode="DE" term="%22Friction+stir+welding%22">Friction stir welding</searchLink><br /><searchLink fieldCode="DE" term="%22Material+fatigue%22">Material fatigue</searchLink><br /><searchLink fieldCode="DE" term="%22Fracture+mechanics%22">Fracture mechanics</searchLink><br /><searchLink fieldCode="DE" term="%22Welded+joints%22">Welded joints</searchLink><br /><searchLink fieldCode="DE" term="%22Hardness%22">Hardness</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: An extensive study on the fatigue performance of friction stir welded DH36 steel was carried out. The main focus of this experimental testing programme was fatigue testing accompanied by tensile tests, geometry measurements, hardness and residual stress measurements, and fracture surface examination. The S – N curve for friction stir butt welded joints was generated and compared with the International Institute of Welding recommendations for conventional fusion butt welds. Friction stir welds of marine grade steel exceeded the relevant rules for fusion welding. This newly developed S – N curve is being proposed for use in the relevant fatigue assessment guidelines for friction stir welding of low alloy steel. Fracture surfaces were examined to investigate the fatigue failure mechanism, which was found to be affected by the processing features generated by the friction stir welding tool. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of International Journal of Fatigue is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.1016/j.ijfatigue.2015.08.003
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      – Code: eng
        Text: English
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        PageCount: 9
        StartPage: 162
    Subjects:
      – SubjectFull: Friction stir welding
        Type: general
      – SubjectFull: Material fatigue
        Type: general
      – SubjectFull: Fracture mechanics
        Type: general
      – SubjectFull: Welded joints
        Type: general
      – SubjectFull: Hardness
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      – TitleFull: Fatigue performance of friction stir welded marine grade steel.
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            NameFull: Ahmad, Bilal
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              Text: Dec2015
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              Y: 2015
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