Microstructural evolution of Mg–5Si–1Al alloy during partial remelting

The microstructural evolution of Mg–5Si–1Al alloy during partial remelting was firstly investigated in the present study. The experimental results indicated that it was difficult to acquire the designed microstructures only by a single partial remelting, since either the globular primary Mg 2Si or t...

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Bibliographic Details
Published in:Journal of alloys and compounds 2009-03, Vol.472 (1), p.L18-L22
Main Authors: Zha, M., Wang, H.Y., Xue, P.F., Li, L.L., Liu, B., Jiang, Q.C.
Format: Article
Language:English
Subjects:
Casting
Grain boundaries
Partial remelting
X-ray diffraction
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Summary:The microstructural evolution of Mg–5Si–1Al alloy during partial remelting was firstly investigated in the present study. The experimental results indicated that it was difficult to acquire the designed microstructures only by a single partial remelting, since either the globular primary Mg 2Si or the granular eutectic Mg 2Si phase can be produced in this process. However, the desired microstructures consisting of both globular primary and granular eutectic Mg 2Si phases are successfully produced by secondary partial remelting.
ISSN:0925-8388
1873-4669
DOI:10.1016/j.jallcom.2008.05.016