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Effect of Through-Thickness Friction Stir Processing Parameters on Weld Repair and Modification of Fusion-Welded AA6061 Aluminum Alloy.

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Title: Effect of Through-Thickness Friction Stir Processing Parameters on Weld Repair and Modification of Fusion-Welded AA6061 Aluminum Alloy.
Authors: Aliakbari, Saeed1, Ketabchi, Mostafa1, Mirsalehi, Seyyed Ehsan1
Source: Journal of Materials Engineering & Performance. May2019, Vol. 28 Issue 5, p2688-2696. 9p.
Subjects: Friction stir processing, Microstructure, Gas metal arc welding, Speed, Hardness
Abstract: Through-thickness friction stir processing was successfully carried out for microstructure modification and elimination of fusion defects of the gas metal arc welds by applying the process on as-welded joints. Variation in rotational speed from 750 to 1050 rpm and traveling speed from 50 to 200 mm/min resulted in minor changes (approximately 1 µm) in the grain size of nugget zone, while this variation in elongation result was up to 40%. The hardness profile, the width of softening zone, minimum hardness and fracture location also changed for different processing conditions. Furthermore, the defects were vanished efficiently across the welds profile by this method. The results also verified the geometric dynamic recrystallization phenomena as a dominant mechanism of microstructural modification. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Materials Engineering & Performance is the property of Springer Nature 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.)
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DbLabel: Engineering Source
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  Data: Effect of Through-Thickness Friction Stir Processing Parameters on Weld Repair and Modification of Fusion-Welded AA6061 Aluminum Alloy.
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  Data: <searchLink fieldCode="AR" term="%22Aliakbari%2C+Saeed%22">Aliakbari, Saeed</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Ketabchi%2C+Mostafa%22">Ketabchi, Mostafa</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Mirsalehi%2C+Seyyed+Ehsan%22">Mirsalehi, Seyyed Ehsan</searchLink><relatesTo>1</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Materials+Engineering+%26+Performance%22">Journal of Materials Engineering & Performance</searchLink>. May2019, Vol. 28 Issue 5, p2688-2696. 9p.
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  Data: <searchLink fieldCode="DE" term="%22Friction+stir+processing%22">Friction stir processing</searchLink><br /><searchLink fieldCode="DE" term="%22Microstructure%22">Microstructure</searchLink><br /><searchLink fieldCode="DE" term="%22Gas+metal+arc+welding%22">Gas metal arc welding</searchLink><br /><searchLink fieldCode="DE" term="%22Speed%22">Speed</searchLink><br /><searchLink fieldCode="DE" term="%22Hardness%22">Hardness</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Through-thickness friction stir processing was successfully carried out for microstructure modification and elimination of fusion defects of the gas metal arc welds by applying the process on as-welded joints. Variation in rotational speed from 750 to 1050 rpm and traveling speed from 50 to 200 mm/min resulted in minor changes (approximately 1 µm) in the grain size of nugget zone, while this variation in elongation result was up to 40%. The hardness profile, the width of softening zone, minimum hardness and fracture location also changed for different processing conditions. Furthermore, the defects were vanished efficiently across the welds profile by this method. The results also verified the geometric dynamic recrystallization phenomena as a dominant mechanism of microstructural modification. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
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  Data: <i>Copyright of Journal of Materials Engineering & Performance is the property of Springer Nature 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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        Value: 10.1007/s11665-019-04060-9
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        Text: English
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        StartPage: 2688
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      – SubjectFull: Friction stir processing
        Type: general
      – SubjectFull: Microstructure
        Type: general
      – SubjectFull: Gas metal arc welding
        Type: general
      – SubjectFull: Speed
        Type: general
      – SubjectFull: Hardness
        Type: general
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      – TitleFull: Effect of Through-Thickness Friction Stir Processing Parameters on Weld Repair and Modification of Fusion-Welded AA6061 Aluminum Alloy.
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              Text: May2019
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              Y: 2019
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