Abstract
The ZK60 magnesium alloys add Y were deformed with extrusion simulation system, and extruded products for various heat treatment processes. The mechanism properties of Y element in ZK60 and its effect on microstructure were analyzed. as well as heat treatment process for ZK60 and ZK60 +1.0Y two influence of alloy microstructure and properties were investigated. The results showed that the addition of rare earth Y can effectively refine the grain ZK60 alloy, and can significantly improve the performance of ZK60 alloy plasticity. Artificial aging treatment can improve ZK60 and ZK60 +1.0Y alloy yield strength and ductility, the best artificial aging treatment ZK60 and ZK60 +1.0Y alloy extrusion products for the 180°C×24h.
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