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Published in: Metallurgical and Materials Transactions A 1/2016

01-01-2016

Thermal Stir Welds in Titanium

Authors: Richard W. Fonda, Keith E. Knipling, Adam L. Pilchak

Published in: Metallurgical and Materials Transactions A | Issue 1/2016

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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.

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Metadata
Title
Thermal Stir Welds in Titanium
Authors
Richard W. Fonda
Keith E. Knipling
Adam L. Pilchak
Publication date
01-01-2016
Publisher
Springer US
Published in
Metallurgical and Materials Transactions A / Issue 1/2016
Print ISSN: 1073-5623
Electronic ISSN: 1543-1940
DOI
https://doi.org/10.1007/s11661-015-3218-4

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