Transparent Armor

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Transparent Armor

Postby Cralis on Tue 28 Apr 2015 15:34

U.S. Navy research has developed a transparent armor...

Anyone good enough to figure out if this stuff is as strong as aluminum? :)

http://www.nrl.navy.mil/media/news-rele ... mart-phone
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Re: Transparent Armor

Postby Sunwolf on Tue 28 Apr 2015 20:20

Now we know what Wonder Woman's Invisible Plane was made out of :D
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Re: Transparent Armor

Postby Goose on Wed 29 Apr 2015 06:13

Arenak?!?
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Re: Transparent Armor

Postby aramis on Wed 04 Nov 2015 15:42

Cralis wrote:U.S. Navy research has developed a transparent armor...

Anyone good enough to figure out if this stuff is as strong as aluminum? :)

http://www.nrl.navy.mil/media/news-rele ... mart-phone

Magnesium Aluminate... Al2MgO4... Mohs 7.5-8, depending upon contaminants. Essentially, transparent aluminum.

Interesting to note that Aluminum Oxide is transparent - Corundum is Al2O3. (Sapphire and Ruby are alloys of corundum and other chemicals.) Mohs 9... Also transparent aluminum.

Either one is hard enough to be used as part of an armoring system; I'm not able to tell if they are too brittle for that usage. (Diamonds are mohs 10, but would make lousy armor, as you can cleave them with a sharp knife.)

NRL (http://www.nrl.navy.mil/content_images/ ... alobos.pdf) wrote: It transmits from 0.2 to 5.5 µm, and ballistic
testing has shown that 1/4 in. of spinel has the
same resistance as 2.5 in. of bulletproof glass. Spinel is,
therefore, an excellent candidate for transparent armor
in light vehicles and goggles or face shields on infantry
helmets.


So, yes, it's being looked at for light armor.
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