Hacked Gadgets Forum

June 20, 2012

Make Silicon Metal using a Thermite including Sand

at 4:56 am. Filed under Complex Hacks, DIY Hacks

 

shows us how to Make Silicon Metal using a Thermite including Sand. If you haven’t seen the destructive power of thermite before have a look at this video where some is used to kill a hard drive. If you intend to play with the stuff be very careful and only use it in an environment where there isn’t much around that can’t burn, a kitchen sink would be a bad choice. 🙂 You can see the nice looking  silicon metal at the end of the video which is the result of this burn. Good thing Youtube doesn’t have smell-o-vision since this substance would not smell good!

“The ideal ratio for this type of thermite is 1.67:1 SiO2:Al, but here I use a 9:10:12 mix of SiO2:Al:S (by weight). The ideal composition of just sand and aluminum is very difficult to ignite, so the sulfur is needed for a side reaction with the extra aluminum that provides the heat to drive the real reaction.”


 

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