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

Published online by Cambridge University Press:  21 October 2010

A. M. Korsunsky ,
X. Song ,
F. Hofmann ,
B. Abbey ,
M. Xie ,
T. Connolley ,
C. Reinhard ,
R. Atwood ,
L. Connor  and
M. Drakopoulos
A. M. Korsunsky*
Affiliation:
Department of Engineering Science, University of Oxford, Parks Road, Oxford OX1 3PJ, England
X. Song
Affiliation:
Department of Engineering Science, University of Oxford, Parks Road, Oxford OX1 3PJ, England
F. Hofmann
Affiliation:
Department of Engineering Science, University of Oxford, Parks Road, Oxford OX1 3PJ, England
B. Abbey
Affiliation:
Department of Engineering Science, University of Oxford, Parks Road, Oxford OX1 3PJ, England
M. Xie
Affiliation:
Department of Engineering Science, University of Oxford, Parks Road, Oxford OX1 3PJ, England
T. Connolley
Affiliation:
I12 JEEP beamline, Diamond Light Source, Harwell Science and Innovation Campus, Didcot OX11 0DE, England
C. Reinhard
Affiliation:
I12 JEEP beamline, Diamond Light Source, Harwell Science and Innovation Campus, Didcot OX11 0DE, England
R. Atwood
Affiliation:
I12 JEEP beamline, Diamond Light Source, Harwell Science and Innovation Campus, Didcot OX11 0DE, England
L. Connor
Affiliation:
I12 JEEP beamline, Diamond Light Source, Harwell Science and Innovation Campus, Didcot OX11 0DE, England
M. Drakopoulos
Affiliation:
I12 JEEP beamline, Diamond Light Source, Harwell Science and Innovation Campus, Didcot OX11 0DE, England
*
†Email address for correspondence:Alexander.korsunsky@eng.ox.ac.uk
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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.

Type
Poster paper
Information
Diamond Light Source Proceedings , Volume 1 , Issue SRMS-7 , October 2010 , e107
Copyright
Copyright © Diamond Light Source Ltd 2010

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References

REFERENCES

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, 805–812.CrossRefGoogle Scholar
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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, 1724–1727. doi:10.1016/j.matlet.2010.04.023CrossRefGoogle Scholar