Process developments in FSW

Telmo G. Santos; Jorge Martins; Luis Mendes; Rosa M. Miranda

doi:10.1007/978-3-642-55122-2_88

Process developments in FSW

Telmo G. Santos, Jorge Martins, Luis Mendes, Rosa M. Miranda

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

FSW and processing have largely evolved in recent years in terms of process knowledge, materials processed and industrial applications. Considering process developments friction stir has been studied in an hybrid welding process associated with electric current for welding Al based alloys. In this variant a temperature increase due to Joule effect was seen to improve the viscoplasticity of base material without affecting metallurgical characteristics, reducing lack of penetration, which is detrimental for fatigue resistance. Diffusion welding triggered by FSW, named friction stir diffusion welding (FSDW) has also been investigated to join materials with very distinctive properties as copper to stainless steel preventing the formation of brittle intermetallics and improving joining efficiency using downward force of 5,500 N, rotation speed of 1,800rpm and travel speed of 90mm/min. The same variant was tested to produce sandwich, or composite, materials as Al reinforced with NiTi ribbons taking advantage of the high conductive soft Al material and the damping capacity and high mechanical resistance shown by NiTi. A good embedment of the reinforcing material under appropriate processing conditions was seen due to the viscoplastic material flow around the NiTi. This paper aims at presenting some applications involving FSW and its variants in distinct industrial applications.

Original language	English
Title of host publication	Proceedings of the 8th International Conference on Management Science and Engineering Management - Focused on Computing and Engineering Management
Publisher	Springer-Verlag
Pages	1015-1021
Number of pages	7
Volume	281
ISBN (Electronic)	9783642551215
DOIs	https://doi.org/10.1007/978-3-642-55122-2_88
Publication status	Published - 2014
Event	8th International Conference on Management Science and Engineering Management, ICMSEM 2014 - Lisbon, Portugal Duration: 25 Jul 2014 → 27 Jul 2014

Publication series

Name	Advances in Intelligent Systems and Computing
Volume	281
ISSN (Print)	21945357

Conference

Conference	8th International Conference on Management Science and Engineering Management, ICMSEM 2014
Country	Portugal
City	Lisbon
Period	25/07/14 → 27/07/14

Keywords

Composites
Diffusion joining assisted by FSW
FSW
Process development

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Santos, T. G., Martins, J., Mendes, L., & Miranda, R. M. (2014). Process developments in FSW. In Proceedings of the 8th International Conference on Management Science and Engineering Management - Focused on Computing and Engineering Management (Vol. 281, pp. 1015-1021). (Advances in Intelligent Systems and Computing; Vol. 281). Springer-Verlag. https://doi.org/10.1007/978-3-642-55122-2_88

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abstract = "FSW and processing have largely evolved in recent years in terms of process knowledge, materials processed and industrial applications. Considering process developments friction stir has been studied in an hybrid welding process associated with electric current for welding Al based alloys. In this variant a temperature increase due to Joule effect was seen to improve the viscoplasticity of base material without affecting metallurgical characteristics, reducing lack of penetration, which is detrimental for fatigue resistance. Diffusion welding triggered by FSW, named friction stir diffusion welding (FSDW) has also been investigated to join materials with very distinctive properties as copper to stainless steel preventing the formation of brittle intermetallics and improving joining efficiency using downward force of 5,500 N, rotation speed of 1,800rpm and travel speed of 90mm/min. The same variant was tested to produce sandwich, or composite, materials as Al reinforced with NiTi ribbons taking advantage of the high conductive soft Al material and the damping capacity and high mechanical resistance shown by NiTi. A good embedment of the reinforcing material under appropriate processing conditions was seen due to the viscoplastic material flow around the NiTi. This paper aims at presenting some applications involving FSW and its variants in distinct industrial applications.",

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Santos, TG, Martins, J, Mendes, L & Miranda, RM 2014, Process developments in FSW. in Proceedings of the 8th International Conference on Management Science and Engineering Management - Focused on Computing and Engineering Management. vol. 281, Advances in Intelligent Systems and Computing, vol. 281, Springer-Verlag, pp. 1015-1021, 8th International Conference on Management Science and Engineering Management, ICMSEM 2014, Lisbon, Portugal, 25/07/14. https://doi.org/10.1007/978-3-642-55122-2_88

Process developments in FSW. / Santos, Telmo G.; Martins, Jorge; Mendes, Luis; Miranda, Rosa M.

Proceedings of the 8th International Conference on Management Science and Engineering Management - Focused on Computing and Engineering Management. Vol. 281 Springer-Verlag, 2014. p. 1015-1021 (Advances in Intelligent Systems and Computing; Vol. 281).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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AB - FSW and processing have largely evolved in recent years in terms of process knowledge, materials processed and industrial applications. Considering process developments friction stir has been studied in an hybrid welding process associated with electric current for welding Al based alloys. In this variant a temperature increase due to Joule effect was seen to improve the viscoplasticity of base material without affecting metallurgical characteristics, reducing lack of penetration, which is detrimental for fatigue resistance. Diffusion welding triggered by FSW, named friction stir diffusion welding (FSDW) has also been investigated to join materials with very distinctive properties as copper to stainless steel preventing the formation of brittle intermetallics and improving joining efficiency using downward force of 5,500 N, rotation speed of 1,800rpm and travel speed of 90mm/min. The same variant was tested to produce sandwich, or composite, materials as Al reinforced with NiTi ribbons taking advantage of the high conductive soft Al material and the damping capacity and high mechanical resistance shown by NiTi. A good embedment of the reinforcing material under appropriate processing conditions was seen due to the viscoplastic material flow around the NiTi. This paper aims at presenting some applications involving FSW and its variants in distinct industrial applications.

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KW - Diffusion joining assisted by FSW

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KW - Process development

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Y2 - 25 July 2014 through 27 July 2014

ER -

Process developments in FSW

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