Titanium – The Metal That Made The SR-71 Possible


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Titanium - The Metal That Made The SR-71 Possible



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References:
[1] https://grantadesign.com/education/students/charts/
[2]
http://www.metalary.com/titanium-price/#:~:text=As%20of%20January%202016%2C%20the,2005%20was%20%2421%2C000%20per%20ton.
[3] https://kyocera-sgstool.co.uk/titanium-resources/titanium-information-everything-you-need-to-know/titanium-ores/#:~:text=Titanium%20can%20be%20mined%20from,as%20they%20reach%20the%20sea.
[4] https://www.essentialchemicalindustry.org/metals/titanium.html#:~:text=The%20titanium%20is%20purified%20by,titanium%20ore%20into%20useful%20products.
[5] http://www-eng.lbl.gov/~shuman/NEXT/MATERIALS&COMPONENTS/Pressure_vessels/Ti_forming_ASM.pdf
[6] https://link.springer.com/article/10.1361/105994905X75448
[7] https://www.cia.gov/library/readingroom/docs/CIA-RDP90B00170R000100050008-1.pdf

[8] Page 77 https://www.springer.com/gp/book/9783540713975
[9] https://www.cia.gov/library/readingroom/docs/CIA-RDP90B00170R000100050008-1.pdf
[10] https://grantadesign.com/education/students/charts/
[11] Page 11 https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/20090007797.pdf
[12] https://inversesolutionsinc.com/why-is-machining-titanium-difficult/#:~:text=WHY%20TITANIUM%20IS%20SO%20DIFFICULT%20TO%20MACHINE&text=This%20can%20create%20poor%20surface,the%20tool%20and%20impede%20function.
[13] https://www.cia.gov/library/readingroom/docs/CIA-RDP90B00170R000100080001-5.pdf
[14] https://www.kobelco.co.jp/english/titan/files/details.pdf
[15] https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/20090007797.pdf
[16] https://link.springer.com/article/10.1361%2F105994905X75448

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45 Comments

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  1. Before I saw the spelling of aluminum I thought he was talking about some kind of new material I never heard of before because of the way he pronounced it

  2. I think the 0.14 for hydrogen in the crust is iffy. If you include the upper 50km of the earth, I'm guessing hydrogen is around 20 percent and oxygen is 60…yup, we are a water planet….

  3. China has been importing rutile, or enriched ilmenite(95% TiO2), processing it, exporting TiO2 based pigment, and its been doing so at scale .. for many years now.

  4. The uncovered mascara sequentially divide because gemini symptomatically wander near a light node. heavenly heavy hellish, recondite geometry

  5. Lockheed also developed a material that was given the name "Lockalloy" for the YF-12/SR-71. It consists of 62% beryllium and 38% aluminum and was used as a structural metal because of its high specific strength and stiffness.

  6. Titanium was already used and still is used in aircraft engine hot sections,so it was a natural choice u would say nevertheless extracting a different use out the material o vously calls for advancement in several factors such as metallurgy ,airflow characteristics etc..

  7. So I subscribed to the curiosity stream mainly for the nebula but I found that we can't access it from Australia. /realengineering loops me to the same sign-up page that I've already signed up on

  8. Is it a fact today that the weakest part of a titanium frame, or the most likely failure point, the welds? True of bicycle frames and non bicycle frames or anything built with Ti?

  9. Does "difficult to machine" include electro-chemical and electrical-discharge machining? Is it always the case that if something is hard to mechanically mill then it's hard to electrically machine? (Obviously the reverse is not true, because, like, you can mill wood but you can't EDM it..)

  10. The metal that should actually have an infamous reputation is Beryllium.
    It's the lightest practical metal you can build with, it's rare enough that gemstones that contain it like Beryl and Emeral are considered ore. Its dust is life shorteningly toxic, it can't be cast due to physics or forged due to its stiff nature. Machining it is a nightmare due to the dust being a health hazard. On top of these it's a critical component for nuclear weapons, nuclear reactors and other nuclear equipment, it's also used in missile components, satellites structural members, space telescope mirrors. It does however make a shitty paperweight for my desk.