Abstract
The effect of Sr, Ti-B addition on structure and properties of cast Zn-Al-Cu alloys is presented in this work. Cu as well as master alloys such as Al-Sr and Al-Ti-B were added to the zinc alloy, which was cast into a metal mould. The thermo-derivative analysis was performed using the UMSA platform (Universal Metallurgical Simulator and Analyzer) with cooling at different rates in the range from 0.09 to about 0.2 ℃ s−1. The effect was investigated of the mass concentration of alloying elements ranging from 0.1 to 1% and of the varying cooling rates on the alloys’ structure and properties, including corrosion resistance in the salt vapour environment, as well as its hardness and abrasion wear resistance in the metal-to-metal setup. Alteration of the chemical composition of the cast Zn alloys by the addition of modifiers was made to change their structure and thereby possibly improve the alloys’ properties and also the functional ones.
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