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Figure 2
Contour maps of nodal stresses (clockwise from top left) σ11, σ12, σ33 and σ22 with node position for a meso-scale volume containing seven anisotropic Cu grains. These were obtained from FEM analysis (Section 4[link]) when the polycrystalline mesh shown in Fig. 1[link](a) was subjected to uniform (isotropic) biaxial far-field stresses. Averaging these local stress tensors over individual grains, or over this meso-domain, did not eliminate Heyn stresses; the stress distributions in element, grain and meso-domain volumes were not isotropic in the slab plane.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 56| Part 4| August 2023| Pages 1144-1167
https://doi.org/10.1107/S1600576723004351
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