Abstract
The microstructure, hardness and electrical conductivity of as-extruded ZK80 Mg alloy were tested and analyzed by means of microscope, XRD, electrical conductivity and Rockwell hardness tester. The results show that: as-extruded ZK80 Mg alloy has good aging strengthening effect, the change trend of hardness and electrical conductivity of the alloy is the same, that is, the hardness and electrical conductivity of that alloy show a strong linear correlation, with the extension of holding time, the hardness and conductivity increase in an oscillatory manner, and then decrease after reaching the peak value. The relationship between hardness and conductivity is g = 1.06418h-52.29795, and the experimental fitting effect is good.
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