How to Fail With a Graphite Crucible

About: Hi! I'm a 20 year old guy that likes to work with metal, electronics, and weird materials! Subscribe for cool projects! Future Instructables (in order): DIY high temp firebrick, Synthetic ruby and sapphire...

I recently upgraded my foundry to a propane jet burner and had a small accident during its second use...

Step 1: Turn on Burner and Place the Crucible in Immediately

Step 2: Wait Until the Crucible Explodes.

Step 3: How Not to Screw Up Like This.

If you use a graphite or ceramic crucible, make sure to heat it up gradually and slowly. Or just use a metal crucible like I do now. Please vote for me in the epic fails contest! Thank you!



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    5 Discussions


    2 years ago

    Forgot crucible outside for a while and moisture got into the graphite. When firing it up a month later looking dry, a terrifying bang. Part of the wall was split in half and shot away.


    3 years ago

    Yep, you have to be careful with metalworking. Good luck in the contest!

    1 reply