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Figure 13
[a^{hkl}_{\psi}][\sin^{2}\psi] distributions for (a) ferritic and (b) austenitic steel which correspond to an in-plane residual stress σ = −1000 MPa and uniform strain-free lattice parameters a0. The gray areas mark the range of angles [\psi^{**,hkl}] under which the strain-free lattice parameters [a_{\psi^{\ast\ast}}^{hkl}] are obtained for the biaxial stress state. The thickness of the anisotropic surface layer was assumed to be z* = 20 µm.

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CRYSTALLOGRAPHY
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