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Residual stress measurement on the I12 JEEP beamline at Diamond Light Source

  • A. M. Korsunsky (a1), X. Song (a1), F. Hofmann (a1), B. Abbey (a1), M. Xie (a1), T. Connolley (a2), C. Reinhard (a2), R. Atwood (a2), L. Connor (a2) and M. Drakopoulos (a2)...

Abstract

One of the multiple capabilities of the new Joint Engineering, Environmental and Processing (JEEP) beamline I12 at Diamond Light Source is the set-up for polychromatic high-energy X-ray diffraction for the study of polycrystalline deformation and residual stresses. The results and interpretation of the first experiments carried out on JEEP are reported. Energy dispersive diffraction patterns from titanium alloy Ti-6Al-4V were collected using the new 23-cell ‘horseshoe’ detector and interpreted using Pawley refinement to determine the residual elastic strains at the macro- and meso-scale. It provides a clear demonstration of the tensile-compressive hardening asymmetry of the hexagonal close-packed grains oriented with the basal plane perpendicular to the loading direction.

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Corresponding author

Email address for correspondence:Alexander.korsunsky@eng.ox.ac.uk

References

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Korsunsky, A. M., James, K. E. & Daymond, M. R. 2004 Intergranular stresses in polycrystalline fatigue: diffraction measurement and self-consistent modelling. Eng. Fract. Mech. 71, 805812.
Withers, P. J. & Lewandowski, J. J. 2006 Three-dimensional imaging of materials by microtomography. Mater. Sci. Technol. 22, 10091010.
Korsunsky, A. M., Song, X., Hofmann, F., Abbey, B., Xie, M. Y., Connolley, T., Reinhard, C., Atwood, R. C., Connor, L. & Drakopoulos, M. 2010 Polycrystal deformation analysis by high energy synchrotron X-ray diffraction on the I12 JEEP beamline at Diamond Light Source. Mater. Lett. 64, 17241727. doi:10.1016/j.matlet.2010.04.023

Residual stress measurement on the I12 JEEP beamline at Diamond Light Source

  • A. M. Korsunsky (a1), X. Song (a1), F. Hofmann (a1), B. Abbey (a1), M. Xie (a1), T. Connolley (a2), C. Reinhard (a2), R. Atwood (a2), L. Connor (a2) and M. Drakopoulos (a2)...

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