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From "Unobtanium" to Titanium

Posted November 29, 2007 9:06 AM

Early in aviation history, designers identified a material they called "unobtanium" a material that would make their theoretical designs possible if only it was readily available. Today, aerospace engineers and researchers have discovered that a combination of composites and titanium could help them achieve their dreams. The challenges that remain are in the thermal processing of these materials, including dealing with surface oxide scale and hydrogen absorption during heat treating.

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Power-User
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#1

Re: From "Unobtanium" to Titanium

12/01/2007 2:45 AM

According to common usage of the term, if they have found a way to manufacture it, it is no longer "unobtanium". That is unless it is so expensive that no one can afford it.

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#2

Re: From "Unobtanium" to Titanium

12/01/2007 1:42 PM

"unobtanium" is a smelted product of "sweep-alloy".

Used it for years WHEN SOMETHING TURNED OUT UNEXPECTEDLY GOOD!

(joke..don'y get serious on me)

MR. GUY

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#3

Re: From "Unobtanium" to Titanium

12/03/2007 6:29 PM

Hmmmm. That reminds me of .......this.

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Associate

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#4

Re: From "Unobtanium" to Titanium

12/04/2007 6:05 PM

Titanium is "Unobtainium" if you're a small quantity user of 6-2-4-2 plate. Lead time is around 76 weeks, last time I checked.

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Guru

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#5
In reply to #4

Re: From "Unobtanium" to Titanium

12/05/2007 9:42 AM

The last shop I was at we were buying for offshore component manufacture/machining. 8" diameter x 14" length at about $2300 per. It has been a couple to 3 years ago. It was the Hastelloy and Inconel that really ate us up. We scrapped 2 of the Ti parts and were offered $1200/pc for scrap value....ouch!

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