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Figure 3
(a) Schematic of the con-rod diffraction set-up. The inclined cross section shows the angle at which the con-rod stands with respect to the Y-axis of the set-up in I12. Highlighted in red is the cross-sectional definition of the gauge volume defined by the double set of collimation slits and the incident beam cross-sectional size (0.1 × 2.1 mm). (b) Cross section of the plane analysed by diffraction 17 mm below the pin end of the con-rod. Highlighted in red is the x-scan used to determine the overall width of the section, and blue indicates the z-scan to locate the gauge volume in the middle of the con-rod. Scans in x (AA′) and z (BB′, CC′, DD′) show the integrated intensity from all channels of the EDXD detector. The observed intensity variation comes from the combination of absorption and scattering power (polycrystalline structure) of the material within the gauge volume.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 20| Part 2| February 2013| Pages 316-323
doi:10.1107/S0909049513000885
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