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Modelling of Linear Friction Welding

 

]Researcher: Florian Schroeder

Collaborators: Richard Turner, Mark Ward, Roger Reed, Hector Basoalto

Linear friction welding is a solid-state process used particularly for the joining of titanium alloys, for example for manufacture of blisks and blings for aeroengine applications. In this project, modelling capability for linear friction welding is being developed. This is being used to gain a more detailed understanding of the physical effects occurring during processing, e.g. thermal properties, stresses, strains and strain rates experienced, flash formation and upsetting rate. These are being considered, for both similar and dissimilar material welds, along with a microstructural analysis of the physical welds, to build up knowledge of the factors influencing processing and weld integrity.

 

Research Papers:

Linear Friction Welding of Ti-6Al-4V: Modelling and Validation, R. Turner, R.M. Ward, J-C. Gebelin and R.C. Reed, Acta Mat, 59, 10, 3792-3803 (2011).

http://dx.doi.org/10.1016/j.actamat.2011.02.028

 

The Magnitude and Origin of Residual Stress in Ti-6Al-4V Linear Friction Welds: An Investigation by Validated Numerical Modeling,  R. Turner, R.M. Ward, R. March and R.C. Reed, Met Trans B, 43, 1, 186-197, (2012).

http://link.springer.com/article/10.1007/s11663-011-9563-9

 

Linear Friction Welding of Titanium Alloys for Aerosapce Applications: Modelling and Validation, F. Schroeder, R.M. Ward, R. Turner, M.M. Attalah, J-C. Gebelin and R.C. Reed, Precedings for the 9th International Trends in Welding Research Conference, Chicago, (2012).

 

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