Fun with thermite

Interested in building a foundry to smelt your own metal and try your hand at metal casting? Topics here will range from different foundry designs, burners and blowers to sand casting and lost foam casting.

Fun with thermite

Postby Jehu » Wed Mar 24, 2010 3:36 am

Mmmmm, I like this stuff.

I finally got around to trying it out and it's fun. I rusted and ground the Iron for the iron oxide and hand ground the Aluminium powder via a file. Took ages but it's all nice and fine. Took 3 party sprinklers crushed on top of the thermite and three poked into the mix to get it started but it went quite nicely. I set it off in a hole about 2/3rds a foot deep and about an inch in diameter. I got a nice flame about the height of the hole high. went for a good 30 seconds. I used 30gm of FeO to about 15-20gm of the Al powder.

I dug the resulting metal core out of the ground and I'm gonna clean it up a bit to see how it went.
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