1. Ramp up the temperature of the furnace. Set temperature slightly above the melting temperature for aluminum. Look up the specs on the melting temperature of aluminum ingots Online
2. Add in a crucible in the furnace heated using metal tongs.
3. Wait until completely melted metal. If the model is ready remove the crucible from the furnace.
4. Have a helper from the slag using slag stick holding a pair of pliers. Add the slag in the crucible or other designated area waiting for a hot topic.
5. Pour the melted aluminum flask slowly and evenly into the cup pouring.
6. When the riser filled with molten metal, stop pouring.
7. Put in area crucible to cool down or to return into the furnace, if for spare parts.
8. Add any sign that something is very hot in the area, if left unattended express. Wait until the next class period and disassemble the flask and remove the cast.
9. Note the cast piece quality and conclusions from the experiment students.
As an additional activity and to help concrete the concept of how to change the properties of materials are processed, such as, cutting at least two of thefinal castings and perform hardness testing them. (See Module Hardness Testing Materials).