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A little light light....

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bhowden:
This thread, now thoroughly off topic, has given me an interesting idea.  I wonder if the home foundry type could use thermite to cast iron.  Make up the normal green sand flask but instead of a furnace and crucible, scoop out a funnel in the sand and fill it with a mixture of thermite and cast iron bits.  In theory you could work out how much extra cast iron it would take to absorb the surplus heat released by the thermite and make the process much more efficient and regulate the temperature of the pour.  Not sure how well it would mix but, in theory you could add other elements to make all sorts of alloys.  Add high carbon steel and get a low carbon steel mix.  The major snag I can see is what happens to the aluminum oxide released by the thermite.  Anybody know if it stays in the melted iron released or if it boils or floats off?  There must be something in all the smoke!

Brian

raynerd:
Andy, I expect I am safe from that trick. It comes out with such a force that there is a good 2" gap if you ""accidentally"" light the tap directly. Still clever little trick!

krv3000:
well dun

Divided he ad:

--- Quote ---well dun
--- End quote ---
    Are we finally back on topic?  :lol:


Thanks  Bob  :thumbup:




Here we go  :offtopic: again....  :lol:     Thermite casting!!! :jaw:  This I've got to see!!   :borg:

 (brave man who tries this one.... Possibly a little nuts too :loco:  )





Ralph.

bhowden:
>>>a brave man that tries this

In the interest of staying on topic and broadening the audience I will repost my original off topic reply as a new posting over in a more appropriate topic.

Brian

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