Abstract
In-situ neutron diffraction measurements of plane specific elastic lattice strains were made during a tensile test of an aluminum 2 pct magnesium alloy. The macroscopic response exhibited a serrated flow curve, evidence of dynamic strain aging. The neutron results are compared to calculations using a self-consistent polycrystal deformation model. The relatively poor agreement with the measured data may suggest that the model has limitations with respect to face-centered cubic (fcc) alloys with low elastic anisotropy.
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