4.7 Article Proceedings Paper

Characteristics of dissimilar friction stir spot welding of bulk metallic glass to lightweight crystalline metals

Journal

INTERMETALLICS
Volume 18, Issue 10, Pages 2000-2004

Publisher

ELSEVIER SCI LTD
DOI: 10.1016/j.intermet.2010.03.004

Keywords

Rare-earth intermetallics; Glasses; metallic; Superplastic behaviour; Welding; Electron microscopy; scanning

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A dissimilar friction stir spot welding (FSSW) has been tried using an apparatus which was devised with a CNC milling machine to give a precise control of the friction time and the plunge depth. Variations of the vertical load applied and the temperature history during friction stirring were measured. In this study, the characteristics of dissimilar FSSW of a bulk metallic glass alloy to crystalline metals having lightweight were investigated. Through the investigation of fractographic observation, the EDX analysis and the joining strength, the welding performance of dissimilar FSSW of BMG was evaluated. (C) 2010 Elsevier Ltd. All rights reserved.

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