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- Title
Thermal Stir Welds in Titanium.
- Authors
Fonda, Richard; Knipling, Keith; Pilchak, Adam
- Abstract
Although conventional friction stir welding (FSW) has proven unsuccessful in joining thick sections of alpha and near-alpha titanium alloys, thermal stir welding, a variant of the FSW process in which an external heat source is used to preheat the workpiece, is demonstrated to be able to reliably join 12.3-mm-thick plates of CP titanium. This paper describes the microstructures and textures that develop in these thermal stir welds. The observed microstructure was used to reconstruct the high-temperature microstructure and texture present during the welding process and therefore reveal the genesis of the welding structures.
- Subjects
FRICTION stir welding; TITANIUM; WELDED joints; MICROSTRUCTURE; ALUMINUM alloys
- Publication
Metallurgical & Materials Transactions. Part A, 2016, Vol 47, Issue 1, p360
- ISSN
1073-5623
- Publication type
Article
- DOI
10.1007/s11661-015-3218-4