mormanman Posted March 28, 2007 Posted March 28, 2007 how do you mix CuO+Al to make thermite and is thermite even a flash i read it was i think but i'm not real sure and if not can you point me in the right direction i'm not going to blow something up and another thing i read that flash was frowned upon is there a reason or what thanks
pa_pyro Posted March 28, 2007 Posted March 28, 2007 Use a search engine and look on the sight for a ratio for CuO/Al, if you feel the need, althought this isn't a very sensitive mix, you can diaper it by rolling the powder together on a sheet of paper. CuO Al thermite, like most, takes a fair bit of heat to light. In my experience CuO thermite is very powerful if using finer mesh metal and I would say it even matches low to medium grade flash powder. Thermite reactions can be done with about any oxide and a reducing agent like Al or Mg. Thermite is different from flash, look up goldshmidt(sp?) reactions.
qwezxc12 Posted March 28, 2007 Posted March 28, 2007 Stoic ratios are around (IIRC) 44 CuO:10 Al. Here a link to a post with a video of CuO/Al thermite used for ignition of a liquid fireball...it only took 30g. link If you're using fine grades, i.e. -350m or finer Al flake and pottery grade CuO, have a healthy respect for the mix...pa_pyro is right, it WILL go loud unconfined and can pose a significant hazard. You will need a prime or first-fire to ensure ignition; I use Al/S
Mumbles Posted March 30, 2007 Posted March 30, 2007 Can you use oxyclean for what? You really need to specify. If you mean can you use oxyclean in CuO/Al thermite, then no you can't. If you don't see why, you're a dumbass, and I'd highly consider reading around a lot more before posting anymore. I understand you mean well, but you need to get used to the forums. First of all we can't read your mind. You have to be specific if what you are asking. Secondly, look at your keyboard. There are 3 very important keys. The "shift" button, the period, and the comma. I suggest learning their position and starting to use them.
mormanman Posted March 31, 2007 Author Posted March 31, 2007 no i read it wrong sorry about that but thanks though
Frozentech Posted March 31, 2007 Posted March 31, 2007 can you use oxy clean or something Sure ! It's good for removing those pesky charcoal and lampblack stains from your work clothes. Actually, you can cut end disks for small cylinder shells or for capping crossettes from the box cardboard also.
armogedon Posted April 21, 2007 Posted April 21, 2007 are there any other oxides that work or will copper oxide only work to make it.
treelover Posted April 21, 2007 Posted April 21, 2007 are there any other oxides that work or will copper oxide only work to make it.Thermite reactions can be done with about any oxide and a reducing agent like Al or Mg. Thermite is different from flash, look up goldshmidt(sp?) reactions.I think you have some learning (and carefull reading) to do, my friend. You should not be making thermite if you don't know anything about it. Some here consider thermite as harmless, but it isn't in the hands of an inexperienced person. As for the topic title: Milling the components together with a bit of EtOH for some hours will yeild very fast thermite (after it is dried of course).
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