3D atom probe study of solute atoms clustering during natural ageing and pre-ageing of an Al-Mg-Si alloy
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3D atom probe study of solute atoms clustering during natural ageing and pre-ageing of an Al-Mg-Si alloy
The pair-correlation function applied to 3D Atom Probe reconstructed volumes has been used to study the influence of a pre-ageing treatment (363K) on the early stages of precipitation at 458K in an Al-Mg-Si 6016 alloy. Mg-Si short-range positive pair correlation (clustering) is shown to form after a pre-ageing treatment. The hetero-atomic clusters are thought to act as preferential nucleation s...
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Room temperature ‘natural’ ageing in Al-Mg-Si alloys was studied by means of six different techniques: electrical resistivity, thermoanalysis, hardness measurement, lifetime of positrons, 3D atom probe and small-angle neutron scattering in order to identify different clustering stages and to study when the negative effect of natural ageing on subsequent ‘artificial’ ageing sets in. The various ...
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ژورنال
عنوان ژورنال: Philosophical Magazine Letters
سال: 2006
ISSN: 0950-0839,1362-3036
DOI: 10.1080/09500830600643270