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RE: Investment casting. Redoing a millennia old production process.
Awesome post! You show the steps really well.
If you can melt silver, then you probably can cast copper or brass as well if you needed to for some project.
A few years ago, I was working on a setup for doing sand casting with aluminum, but I never got the melter built. Aluminum is pretty easy to melt compared to most other metals.
Thanks! yes copper and brass is definitely possible. I have done some bronze sand castings for some of my sword fittings. bronze is essentially a brass alloy. I havent played with aluminium yet, but the melting point is way lower than silver or bronze. You can even melt it using a steel crucible ( also known as an old cooking pot)