Abstract
Modes for heat treatment for homogenizing the cast structure and raising the processibility of alloy AA2014 are determined by empirical methods with the use of light microscopy. The time and temperature of annealing, which determine minimization of dendritic segregation and dissolution of particles of secondary phase, are chosen for a typical commercial ingot. Homogenization at 500°C for 26 h is chosen for alloy AA2014 (the Russian counterpart is AK8) with a mean grain size of 200 μm.
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