Aspects of Residual Stress Determination Using Energy-Dispersive Synchrotron X-Ray Diffraction


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In this paper we discuss certain aspects of residual stress measurements using energy-dispersive synchrotron X-ray diffraction using very high X-ray energies in the range up to 200keV. In particular, we focus on the strain resolution and its relation to the geometric contribution to the instrumental resolution. This energy range together with the brilliance of insertion devices allows measurements in bulk materials with penetration approaching those of neutrons, and the technique is demonstrated to have a high potential for residual stress determination. However, the use of high X-ray energies implies a relatively small diffraction angle and in turn a relatively elongated gauge volume, which favours the application of the technique to essentially 2D problems.



Materials Science Forum (Volumes 524-525)

Edited by:

W. Reimers and S. Quander




A. Steuwer et al., "Aspects of Residual Stress Determination Using Energy-Dispersive Synchrotron X-Ray Diffraction ", Materials Science Forum, Vols. 524-525, pp. 267-272, 2006

Online since:

September 2006




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