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Residual Stresses In Linear Friction Welding Of Aluminium Alloys

DOI: 10.1016/j.matdes.2013.03.051 DOI Help

Authors: X. Song (Singapore Institute of Manufacturing Technology) , M. Xie (University Of Oxford) , F. Hofmann (University of Oxford) , T. S. Jun (University of Oxford; Welding & Joining Research Group) , T. Connolley (Diamond Light Source) , C. Reinhard (Diamond Light Source) , R. C. Atwood (Diamond Light Source) , L. Connor (Diamond Light Source) , M. Drakopoulos (Diamond Light Source) , S. Harding (Rolls Royce Plc) , A. Korsunsky (University of Oxford)
Co-authored by industrial partner: Yes

Type: Journal Paper
Journal: Materials & Design , VOL 50 , PAGES 360-369

State: Published (Approved)
Published: September 2013
Diamond Proposal Number(s): 6974 , 7016

Abstract: In the present study, the residual stresses distribution in the Linear Friction Welded (LFW) pieces were studied using Finite Element (FE) simulation and high energy synchrotron X-ray diffraction. Fully-coupled implicit thermo-mechanical analysis simulation procedure was employed, with semi-automatic re-meshing using Python scripting to accommodate large deformation and output contour tracking methods for extracting deformed configurations. Model validated by the multi-detector polychromatic synchrotron X-ray experimental data were used to study the distribution of residual stresses distribution in the Linear Friction Welded (LFW) pieces to provide a general function to describe the residual stresses distribution. A characteristic length scale was found in the plot.

Journal Keywords: Linear Friction Welding; Residual stresses distribution function; Finite element simulation; Synchrotron X-ray diffraction

Subject Areas: Materials

Instruments: I12-JEEP: Joint Engineering, Environmental and Processing

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