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![[Figure 2]](xl5006fig2mag.jpg)
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Figure 2
Schematic cross section of a typical cell assembly in the rotational Drickamer apparatus (RDA, after Nishihara et al., 2008  ). Dimensions are approximate. The outer cylindrical sleeve, made of a hard Al-alloy almost transparent to high-energy X rays, is not represented. Gasket materials consist of polyether ether ketone (PEEK), which has low X-ray absorption, and pyrophyllite (dark hatched when fired). The white rectangle in between top and bottom anvils shows the disc-shape pressure medium (∼1 mm thick), while the black rectangle at its center represents a disc-shape sample. In the RDA, rotation of the bottom anvil with respect to the top anvil promotes shear deformation of the sample. See text for more explanations and for details: Yamazaki & Karato (2001), Xu et al. (2005) and Nishihara et al. (2008). |
![[Figure 2]](xl5006fig2.jpg)
 | JOURNAL OF SYNCHROTRON RADIATION |
ISSN: 1600-5775
