Abstract
Small-angle neutron scattering has been used to study the characteristics of γ′-precipitation during ageing at 575°C in several alloy 800 heats, differing in the initial chemical composition; the effect of a pre-ageing treatment at 700°C and of creep tests have been studied by the same technique. For each investigated sample the volume fraction average size and size distribution function of the γ′-precipitates were determined and quantitatively compared with the prediction of the Lifshitz-Slyozov and Wagner model.
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More From: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms
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