In a previous video I tried casting a blade shape with welding thermite. The idea worked but I had used a lousy mold and got a deformed result. Today I used the lost foam method and got much better results. I have a casting but it seems to have a very large crystal structure as cast. Hopefully I can do some normalizing in the forge and then see if the casting can be forged to shape. I will show the attempt at normalizing and forging in another video.
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Thanks to backyard scientists for sharing your link..
For a multitude of reasons this is becoming my favourite YouTube channel. This deserves big views, not 500 but 500 million. If I were king I would force schools to show it at assembly and break time.
Hello Bill Gillmour,
Very interesting video.
1- From where did you get the Welding Thermite, and How much does it cost?
2- Is it possible to find a Thermite without the steel particles, for example, to use for Bronze Casting?
Thanks.
that's the first time I have ever seen that done,, very interesting.
I wonder what would happen if you took styrofoam, melted it in styrofoam, and used that goop to make a mold for casting? Maybe roll it onto a mold using a fiberglass roller to even it out. I wish there was a material that could be used in a rotocasting machine, and later as a lost "fill in the blank" method for metal casting. That could be an interesting way to make hollow statues.
I've seen this tried before, but all of those attempts were unsuccessful. I wonder how much better the surface finish would have been if you had coated the foam in plaster?
Awesome! Always wondered about this being possible. Good luck!
Very interesting concept! Nicely done!