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Anonymous Poster

Material selection able to stand 200 000 psi UTS

07/02/2007 12:52 PM

I need a light material (< 2.7 g/cc) which is able to stand 200 000 psi UTS. I have to machine a circle 16" OD and 3" thick.

Any suggestion?

M. Mazurkiewicz
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vermin
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Join Date: Jul 2006
Location: Silicon Valley
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#1

Re: Material selection able to stand 200 000 psi UTS

07/03/2007 12:22 AM

Have you looked into molybdenum steel? They use it for (among other things) cannon barrels.

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Codemaster
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#2

Re: Material selection able to stand 200 000 psi UTS

07/03/2007 4:30 AM

I'd be surprised if such a material exists. Aluminium has about the right density but the strongest alloy I can find in the literature is ~ 73000psi.

Titanium max UTS I've found is 144000psi which is approaching your figure, though still well shy, and density is 4.5g/cc.

Various steels can achieve the strength but density is ~ 8g/cc.

Cheers......Codey

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