I am fabricating magnesium composite by reinforcing alumina nanoparticles. in this connection, I want to estimate the shooting temperature (temperature rise) while incorporating the ceramic particles in magnesium at molten state. I am in need of your valuable suggestions.
Thanks in advance.
The shooting temperature will be minimum in most of the cases.
Reduce the height from which, the reinforcements are introduced into the Mg melt. Or, slide it over a hooper at a very slow pace.
Gravity effects will be negligible.
The first requirement is that you need to melt your metallic alloy, so you need to reach at least 580-600 cent degrees (depending on the alloy's composition). The next requirement is that the processing temperature must be minimized to minimize the undesired oxidation. The third: you can perform a semi-solid stirring. In this case you need remain between solidus and liquidus points, which you should find for the specific alloy which you use.
The rise in the temperature will be minimum, it depends also on the temperature difference between alloy reinforcing particles and the melt...better to preheat particles 100 to 150 deg cel, before adding to reduce the temperature gap
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