Melt-Conditioned, High-Pressure Die Casting of Mg–Zn–Y Alloy |
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| Authors: | Mingxu Xia Subhajit Mitra Brij Dhindaw Guojun Liu and Zhongyun Fan |
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| Affiliation: | (1) BCAST, Brunel University, Uxbridge, Middlesex, UB8 3PH, United Kingdom;(2) Tata Steel, Jamshedpur, India;(3) Indian Institute of Technology, IIT Ropar, Rupnagar, India; |
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| Abstract: | The liquid Mg–Zn–Y alloy was conditioned by an application of high-intensive shearing with a pair of intermesh twin screws
prior to high-pressure die casting (HPDC). Melt conditioning produces a uniform microstructure with fine grain size and high
integrity. The microstructure was analyzed thoroughly, and the solidification characteristics of the melt-conditioned HPDC
(MC-HPDC) structure were discussed. The enhancement in I-phase precipitation and the improvement in mechanical properties
of MC-HPDC Mg–Zn–Y alloy can be achieved through cyclic annealing. |
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