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The true stress-strain curves of the annealed (circles) and aged samples (squares). The monotonic-tension experiments were carried out at room temperature with a strain rate of 0.001 /s.
(a) The SANS-intensity distribution obtained from the annealed (circles), the undeformed-aged (squares), the 30%-elongated, deformed-aged samples (triangles), and fits (lines). The curves have been displaced for the sake of better visibility. (b) The coherent scattering obtained from the aged samples: undeformed (squares) and deformed (triangles).
(a) The TEM results of the aged alloy after the 30%-deformation with the [2,2,0]-zone-axis diffraction patterns marked on the top-right. The arrows point the shear bands, which accumulate dislocations. (b) The two-beam-condition TEM showd that only part of the precipitates located on the shear bands is cut.
The structural information of the nanoprecipitates (unit: ).
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