Research Article
Effect of Rare Earth Metals, Sr, and Ti Addition on the Microstructural Characterization of A413.1 Alloy
Table 2
Chemical composition and codes of the A413.1 alloys used in the present study, graphite mold castings.
| Alloy | Mold type | Mold temp (°C) | Alloy code | Additives (wt%) | Aimed | Actual | Sr | La | Ce | Sr | La | Ce |
| A413.1 | Graphite | 600 | TE | 0 | 0 | 0 | 0 | 0 | 0 | TE10 | 0 | 0.2 | 0 | 0 | 0.187 | 0 | TE1 | 0 | 0.5 | 0 | 0 | 0.284 | 0 | TE2 | 0 | 1 | 0 | 0 | 0.717 | 0 | TE3 | 0 | 1.5 | 0 | 0 | 0.940 | 0 | TE11 | 0 | 0 | 0.2 | 0 | 0.022 | 0.083 | TE4 | 0 | 0 | 0.5 | 0 | 0.237 | 0.308 | TE5 | 0 | 0 | 1 | 0 | 0.067 | 0.300 | TE6 | 0 | 0 | 1.5 | 0 | 0.078 | 0.634 | TE7 | 0 | 0.5 | 0.5 | 0 | 0.321 | 0.163 | TE8 | 0 | 1 | 1 | 0 | 0.511 | 0.387 | TE9 | 0 | 1.5 | 1.5 | 0 | 0.840 | 0.497 | TES | 0.1 | 0 | 0 | 0.0088 | 0 | 0 | TE10S | 0.01 | 0.2 | 0 | 0.0078 | 0.187 | 0 | TE1S | 0.01 | 0.5 | 0 | 0.0087 | 0.284 | 0 | TE2S | 0.01 | 1 | 0 | 0.0065 | 0.717 | 0 | TE3S | 0.01 | 1.5 | 0 | 0.0079 | 0.940 | 0 | TE11S | 0.01 | 0 | 0.2 | 0.0193 | 0.022 | 0.083 | TE4S | 0.01 | 0 | 0.5 | 0.0123 | 0.237 | 0.308 | TE5S | 0.01 | 0 | 1 | 0.0081 | 0.067 | 0.300 | TE6S | 0.01 | 0 | 1.5 | 0.008 | 0.078 | 0.634 | TE7S | 0.01 | 0.5 | 0.5 | 0.0079 | 0.321 | 0.163 | TE8S | 0.01 | 1 | 1 | 0.0084 | 0.511 | 0.387 | TE9S | 0.01 | 1.5 | 1.5 | 0.0081 | 0.840 | 0.497 |
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Ti in the amount of 0.15 wt% was added to selected alloys.
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