![]() A presence of Si led also to essential changes in the alloy crystallization with the melting range widened substantially from 10 ☌ to 91 ☌ mainly due to a reduction in the solidus level. pct Si to the Al5Ce0.5Mg base increased the room temperature yield stress almost three times, from 47 to 135 MPa, but reduced its elongation by an order of magnitude from 8 pct to that below 1 pct. ![]() pct) reference was cast and tested under identical conditions. To determine a role of Si, the Al5Ce0.5Mg (wt. pct) cast hypoeutectic composition, designed based on the commercial A356 (Al–7Si–0.3Mg, wt pct) grade by substituting a portion of Si with Ce. An attempt at strengthening the aluminum-cerium-based alloys through additions of silicon was assessed using the experimental Al5Ce3Si0.5Mg (wt.
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