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Figure 4
A preprocessed image from an inline detector showing the search for Friedel pairs from a duplex steel sample. Diffraction spot A was recorded in another image 180° offset in ω. Following a 180° rotation around the axis, a search point shows its position in the sample reference frame relative to the displayed image. From this search point, the Bragg angle for Friedel pair B can be calculated. Lines (conic sections) show the positions in the image that correspond to the Bragg angles of the {hkl} reflections from the ferrite and austenite phases. The search is restricted to spots that result in a valid Bragg angle and are inside the sample envelope projected from the search point onto the detector plane.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 46| Part 2| March 2013| Pages 297-311
doi:10.1107/S0021889813002604
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