Abstract
A quantitative analysis of particle morphologies in a heterophase Al-Cu-Mg-Si alloy after over-aging has been performed using conventional transmission electron microscopy (TEM) imaging in dark- and bright-field modes. An appropriate analytical procedure has been suggested separating {100}Al plate- and 〈100〉Al rod-shaped particles using TEM images taken along 〈100〉Al and 〈110〉Al zone axes. The obtained statistical particle morphology parameters were verified by macroscopic strength contribution calculations.
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