New Updates in Body Armor Technology: Clear Metal?

I look at how body armor technology has changed in my lifetime and then wonder what amazing discoveries will be coming over the next 40 years? Clear metal? Force Fields? Who knows? –Marky

 

TSSBulletproof

While the U.S. Navy is busy with the development of a new bulletproof material called Spinel, Surmet Corporation is already commercially producing its own version called ALON®.

Developed by Raytheon, ALON or aluminum oxynitride, begins as a powder, which is then molded and baked in very high heat. The heating process causes the powder to liquefy and cool quickly, leaving the molecules loosely arranged, as if still in liquid form. It is this crystalline structure that provides ALON its level of strength and scratch resistance comparable to rugged sapphire. Polishing the aluminum oxynitride strengthens the material and also makes it extremely clear.

Comparing Aluminum Armor to Traditional Bulletproof Glass
Traditional bulletproof glass is comprised of multiple layers: polycarbonate sandwiched between two layers of glass. Similarly, transparent aluminum armor is also composed of three layers: an outer layer of aluminum oxynitride, a middle layer of glass and a rear layer of polymer backing. However, the similarities stop there.

Aluminum armor can deflect the same rounds from small-caliber weapons as traditional bulletproof glass, but it will still be more clearly transparent even after being shot. Also, a .50-caliber armor-piercing bullet could sink nearly three inches into bulletproof glass before stopping. Aluminum armor can stop it in half the distance and yet is half the weight and thickness of traditional transparent armor.

In addition, transparent aluminum armor can be produced in virtually any shape and can also hold up to the elements much better than traditional bulletproof glass, which can be worn away by blowing desert sand or shrapnel.

Despite aluminum oxynitride’s ability to produce a superior transparent aluminum armor, this material has not been put into widespread use. The largest factor in this is cost. Transparent aluminum armor can be anywhere from three to five times as much to produce as traditional bulletproof glass. In theory, however, it would not need to be replaced as often, saving money in the long run. Further, there is no existing infrastructure to produce the material in large panes like the size of a front windshield of a vehicle. ALON is currently used for smaller applications, such as the lenses in battlefield cameras or the windows over the sensors in missiles.

 

  • Fedup Veteran

    Sounds like things are advancing however in the case of body armor, there is no longer any restriction on who can purchase it and so all the bad guys either already have it or will have it soon. For the life of me, I can’t imagine why stuff like this is so readily available to everyone instead of just the good guys!

    • B. Young

      I don’t understand your answer as I, my wife and kids all have body armor and we are the good guys???

      • tacticaltshirts.com

        Body armor in itself is prima facia passive. But some people are trained to project emotions and feelings to inanimate objects.

        Marky

        • B. Young

          Not following you completely but we gun up way before we armor up! I may have misunderstood Fedup Veteran but most people term the “good guys” as police only and we are not police but good guys non the less..

          • tacticaltshirts.com

            In short, what I am saying is Good Guys wear body armor. The argument of Fed Up Vet is illogical. By his way of thinking, only speeders and scofflaws would wear seatbelt or want air-bags in their cars.

            Not so.

            Carry on, Brother!

            Marky

  • Pablo Parra

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    This blog is amazing, keep it up!