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Flow Features in Shoulder Zone During Scroll Tool Friction Stir Welding Thick 6061 Aluminum Plates

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Friction Stir Welding and Processing IX

Part of the book series: The Minerals, Metals & Materials Series ((MMMS))

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Abstract

The objective of this present study was to reveal the material flow interaction between the shoulder zone and nugget zone in a thick 6061 aluminum plate during scroll tool friction stir welding. It was observed via microstructural examinations that the scroll tool induces the bulk plasticized material to flow into the advancing side from the retreating side in the shoulder flow zone. This results in a unique flow pattern in the shoulder zone, including, among others, a near-half-onion ring pattern in the transverse section of the weld center. Moreover, a semi-circular pattern accumulated in the longitudinal direction of the bottom portion of the weld zone, but featureless in the top portion of the same weld zone. The obtained flow patterns have also been quantified in relation to the welding parameters to build a database for further and more detailed numerical investigation.

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Acknowledgements

The authors acknowledge the financial support of The University of Wisconsin-Green Bay Research Council.

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Authors and Affiliations

  1. College of Science and Technology, University of Wisconsin-Green Bay, 2420 Nicolet Drive, Green Bay, WI, 54311, USA

    David Yan

  2. School of Engineering Technology, Purdue University, 401 N. Grant Street, West Lafayette, IN, 47907, USA

    Xiaoming Wang

  3. School of Engineering, Deakin University, Geelong, VIC, 3217, Australia

    Guy Littlefair

Authors
  1. David Yan
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  2. Xiaoming Wang
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  3. Guy Littlefair
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Corresponding author

Correspondence to David Yan .

Editor information

Editors and Affiliations

  1. Brigham Young University , Provo, Utah, USA

    Yuri Hovanski

  2. Denton, Texas, USA

    Rajiv Mishra

  3. Tohoku University , Sendai, Japan

    Yutaka Sato

  4. Pacific Northwest National Laboratory , Richland, Washington, USA

    Piyush Upadhyay

  5. University of Wisconsin Green Bay , Green Bay, Wisconsin, USA

    David Yan

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© 2017 The Minerals, Metals & Materials Society

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Yan, D., Wang, X., Littlefair, G. (2017). Flow Features in Shoulder Zone During Scroll Tool Friction Stir Welding Thick 6061 Aluminum Plates. In: Hovanski, Y., Mishra, R., Sato, Y., Upadhyay, P., Yan, D. (eds) Friction Stir Welding and Processing IX. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-319-52383-5_15

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