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relatively good fluidity and castability, when the Al content is in the range 6-9wt%, and relatively good ductility when the Al content is below 4 wt%.
For a Mg-Al alloy transmission housing and a Mg-Al alloy sheet for fabricating car body panel.  
which composition and which casting technologies (among sand casting, high-pressure die casting, and twin-roll casting technologies) would you select for fabricating them?
What is the basis of your selection?
How to achieve the useful mechanical properties in these two components?
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ding2008212ÕûÀí

[ Last edited by ding2008212 on 2011-4-21 at 14:11 ]
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