Stupid idea :P

Just had to share it, i was sitting and thinking of how to make a big and light sword for example, as titan wont be able to hold a good edge and as
i read about "explosive" welding before, the thing they do with ship steel for the hull or whatever its called and stuff, and how that would be able to weld together diferent materials by using it (correct me here if im wrong .. im just stating what ive read :> ), why not "explosive" weld a steel core with 2 titan bits on the outside, will be light, strong, flexible and hold a good edge right? :>
As i said, a stupid idea, wont even test it .. just want to hear what you think about it :>
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There is a "tool-steel" version of titanium, refered to as Beta Titanium, There are a few knife companies making knives from it.
http://www.scubapro.co.uk/products.asp?PI3 http://www.divebooty.com/equipment_details.asp?pid882 http://home.flash.net/~table/Knives/parkwaytitanium.htm
I don't see why you couldn't make a sword from it.
Might be handy if you come up against an acid breathing dragon.
I have a titanium spearhead I forged many years ago. It is a conversation piece now since it is useless. You can't hot forge most alloys of titanium in open air. The metal absorbs nitrogen at a frightening rate at elevated temps and becomes extremely brittle.
Titaniums are either cold forged in enormous presses or hot forged in controlled atmosphere chambers.
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More than I want to know here. http://www.azom.com/details.asp?ArticleID 5 Les
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Tomas Wilhelmsson wrote:

Seem to me that you'd want to reverse the metals composition, a titanium core and steel edges. If you formed the edge into a wedge with a male dovetail in the base (cross section), you could set it into a channel machined in the core edge then cold form the channnel shut around it. (Bhob I wish I had pictures here...) That way, you'd have the hard edge, heat treated before assembly, and the lightweight body for the bulk of the weapon's volume. It would be tricky, and expensive, but it would work.
I thought about aluminum and bearing steel, say 2024 T6 and SAE 52100. Easier and cheaper to get locally, but the machining would be a bitch to set up.
Charly
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