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Figure 6
Laue spots displacement field between an end fiber at xech = 1.82 mm and the neutral fiber xech = 0.91 mm of the four-point bent Si crystal, at a loading of 50 N. (a) Experimental data analyzed by digital image correlation. (b) Theoretical field calculated after having estimated the corresponding transformation gradient [{\bf F}]. (c) Calculated field assuming uniaxial tensile stress. The scale of arrows has been enlarged by a factor of 75. The circle represents the active detector edge. Here, the detector axis Xcam lies (approximately) parallel to the specimen loading direction, and Ycam is (approximately) parallel to the incident X-ray beam. Both Xcam and Ycam are given in pixel units. Low-intensity spots have been filtered out. Note that more spots appear in (c) than in (a) and (b) since theoretical patterns include all spots in the energy range 5–22 keV whereas low-intensity high-index spots have been filtered out from experimental data.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 22| Part 4| July 2015| Pages 980-994
https://doi.org/10.1107/S1600577515005780
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