Cold compression of heat treated aluminium alloys and investigating the associated {311} peak broadening.
This experiment will aim to measure the size and distribution of residual stresses remaining in heat treated 7449 aluminium alloy rectilinear blocks bodies when cold water quenched and subsequently stress relieved using cold compression. The amount of cold compression will be systematically varied from 0% to 5%. Six rectilinear blocks will be characterised, each with a sacrificial pair used for a stress free sample. The {311} diffraction peak will be utilised for all measurements and the characteristics of the peak assessed to quantify the influence of plastic deformation on peak broadening. The aim of the experiment is twofold. The first objective will be to characterise the efficacy of cold compression on residual stress, the second to determine the nature of the relationship of peak broadening with plastic deformation.
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TRUMAN Christopher; PIRLING Thilo and ROBINSON Jeremy. (2012). Cold compression of heat treated aluminium alloys and investigating the associated {311} peak broadening.. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.1-02-119
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