Abstract
1. During tempering of a brass containing silicide inclusions in the structure of α-and β-phases, two stages of strengthening, accompanied by a decrease in plasticity, are established. The first (low temperature) one is related to decomposition of the supersaturated solution of α-phase, while the second (medium-temperature) one is related to decomposition of the supersaturated β-phase solid solution. 2. Within certain quenching temperature ranges of the brass, precipitation of alloying elements (Mn and Si) and impurities (Fe and Ni) from the solid solution takes place, with formation of compounds. 3. To improve the combination of mechanical properties it is recommended that the brass parts be heat-treated (quenching + tempering).
Published Version
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