What is this project about?
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Using thermite, a combustible material of aluminium and iron oxide to cast iron parts, as it produces molten iron when burned.
What do you want to get out of this project?
A faster way to make iron parts, as well as experience with different thermite mixtures.
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Turn your idea above into a guiding question.
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The main commercial use of thermite is welding railroad tracks. Why is it not used for casting?
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I also researched some thermite mixtures, and I've decided on four to test; plain thermite, thermite + carbon (coal), thermite + steel, and thermite + carbon + steel. The steel idea came from this video:
Mar 26, 2021: I attempted to fire the next three mixtures, starting with the plain+16 grams steel. This one refused to light, and I used up all my starter mix in the process. I have ordered magnesium ribbon to use as an ignitor, but it won't arrive until Sunday.
What will it take for you to complete this project?
Use the table below to set your own timeline for deliverables, keep in mind when your final work product is due at the end of the cycle.
Research common thermite mixtures, and see if any are appropriate for casting. If not, create my own mixture.
Cast an iron ingot with various thermite mixtures, and test them for strength, flexibility and brittleness.
I was only able to perform the tests on the plain mixture, as the second one I tried refused to light, and by then I had run out of starting mix.
Once a suitable mixture has been obtained, cast a usable part with it.
Unable, unforeseen issues caused excessive slag formation (lack of flux).
Work Product due
March 5, 2021