Abstract
The influence of various ratios of copper (Cu), titanium (Ti) and magnesium (Mg) elements on the properties of the deformed zinc (Zn)–copper–titanium alloy was investigated by the orthogonal design experiment in this work. The results show that copper has a significant impact on the microhardness of the alloy, while titanium has an effect on the elongation, and both copper and titanium have equal influence on the tensile strength. Within the range of experiments, 2·0, 0·05 and 0·001% are the most optimal concentrations of copper, titanium and magnesium, respectively, which makes the alloy have high tensile strength, microhardness and elongation. The optimum ratio of the alloy was Zn–2·0Cu–0·05Ti–0·001 Mg, which was verified; the microhardness of the alloy attained a value of 88 HV, the tensile strength reached 255 MPa, and the elongation was 63% after extrusion.
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