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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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On Wed, 20 Apr 2005 09:52:02 -0700, Tim Wescott
wrote: John Sefton wrote: "Ignoramus20427" wrote in message ... On Wed, 20 Apr 2005 01:27:17 GMT, Bruce W.1 wrote: I've read that depleted uranium is six times as dense as lead. It would be nifty to have a chunk of it, that is if it's not radioactive. only 1.5 times heavier. The US military uses it for missile nosecones and whatnot, so it can't be very dangerous. nosecones are very dangerous Is this a controlled material? If not then does anyone know where I can get a small piece? you can easily buy tungsten, it is jhust as heavy and also very hard material. To the military, tungsten is more expensive than DU, but for us mortals, it is more easily obtainable. I have a piece of tungsten at home, it feels incredibly heavy./ Another reason depleted uranium is used by the military is for its "self sharpening" property - instead of flattening out like lead and other metals upon impact, it lengthens and gets thinner - great for armour piercing. It would be interesting to see how that property would work in a machining context - either as the metal being machined, or as the cutting tool.. It also catches fire once it's through the armor -- that's very handy for distracting the crew of the tank that you're firing on. Distracting...I like that. Flaming spalls the temperature of the face of the sun ricochetting at ultra high speeds around the inside of the crew compartment setting fire to the hydraulics, padding, clothing, ammunition..... Distracting..thats good. Gunner Rule #35 "That which does not kill you, has made a huge tactical error" |
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