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Effect of Selected Friction Stir Welding Parameters on Mechanical Properties of Joints

Authors
  • Kossakowski, P. G.1
  • Wciślik, W.1
  • Bakalarz, M.1
  • 1 Faculty of Civil Engineering and Architecture, 25-314 , (Poland)
Type
Published Article
Journal
Archives of Civil Engineering
Publisher
Sciendo
Publication Date
Dec 01, 2019
Volume
65
Issue
4
Pages
51–62
Identifiers
DOI: 10.2478/ace-2019-0046
Source
De Gruyter
Keywords
License
Green

Abstract

The article discusses the basic issues related to the technology of friction stir welding (FSW). A short description of technology is provided. The following section provides the analysis of effect of technological parameters (tool rotation and welding speed) on the mechanical properties of the prepared joint (strength, ductility, microhardness). In both cases the analysis refers to aluminum alloys (6056 and AA2195-T0). The comparative analysis showed the phenomenon of the increase in weld strength along with the increase in the rotational speed of the tool during welding. Similarly, with the increase in welding speed, an increase in weld strength was observed. Some exceptions have been observed from the above relations, as described in the article. In addition, examples of material hardness distribution in the joint are presented, indicating their lack of symmetry, caused by the rotational movement of the tool. The analyses were performed basing on the literature data.

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