Abstract:Mg-7Zn-xY-0.6Zr (x = 6, 9, 12 wt.%) alloys have been designed to investigate the effects of Y content on the microstructure and mechanical properties. The results show that Y content plays a key role in the phase composition and mechanical properties of the investigated Mg-7Zn-xY-0.6Zr alloys. With the Y content increasing from 6 to 12 %, the phase composition transformed from α-Mg + W-phase (Mg3Y2Zn3) to α-Mg + X-phase (Mg12YZn). The amount of X-phase increases rapidly, and W-phase decreases accordingly. Furt… Show more
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