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New type of armor made of foam

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  • New type of armor made of foam

    There is a foam armor that can stop bullets and the US Army is hoping that it can do the same with Tank rounds.
    If it works they can make Tanks and other Armored vehicles up to 65% lighter.

    http://www.foxnews.com/tech/2018/04/...e-enemies.html

  • #2
    Weird.

    But then, making armor out of porcelain seemed strange, too.

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    • #3
      Originally posted by Arnold J Rimmer View Post
      Weird.

      But then, making armor out of porcelain seemed strange, too.
      Very Weird, but makes some sense.

      Against blast it's very logical. The porous structure can collapse while solid armor either has to wholly deflect, flex, or crack. I can see where a foam panel would be an excellent middle layer backer for a plate on belly armor, able to crush under blast pressure without sending spalling into the vehicle.

      Against AP rounds a couple of thoughts: You could suspend very hard particles in the foam, like BBs or a scaled equivalent, that could function like a 'decapping layer' for AP projectiles. The foam also provides no structure whatsoever for something that rigid and fast moving into it, it might as well be a very thick liquid. So if the round started to yaw, it would probably just shatter. Obliterate that piece of armor, sure, but if you have a plate backer to take the pieces, it might contain the round and stop penetration. Overall it seems similar to some composite designs the Soviets tried to make with mixed results....suspending ceramic balls inside a cast steel plate.

      Against HEAT rounds I'm seeing it as a type of 'spaced armor. I'd put this stuff between a RHA plate and another plate with ERA on the outside.
      Tacitos, Satrap of Kyrene

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      • #4
        Originally posted by TacCovert4 View Post

        Against AP rounds a couple of thoughts: You could suspend very hard particles in the foam, like BBs or a scaled equivalent, that could function like a 'decapping layer' for AP projectiles. The foam also provides no structure whatsoever for something that rigid and fast moving into it, it might as well be a very thick liquid. So if the round started to yaw, it would probably just shatter. Obliterate that piece of armor, sure, but if you have a plate backer to take the pieces, it might contain the round and stop penetration. Overall it seems similar to some composite designs the Soviets tried to make with mixed results....suspending ceramic balls inside a cast steel plate.
        In 1940 Britain developed an armour system that consisted of very hard stone fragments embedded in a softish bitumen matrix. It was used with some success to armour superstructure on coasters and was able to stop machine gun fire and sometimes cannon from attacking aircraft. Using non strategic material it was seen as having other advantages over steel armour plate - when hit steel fragments were not produced.
        Human history becomes more and more a race between education and catastrophe (H G Wells)
        Mit der Dummheit kaempfen Goetter selbst vergebens (Friedrich von Schiller)

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        • #5
          Sounds promising but time will tell

          “Unthinking respect for authority is the greatest enemy of truth.” -- Albert Einstein

          The US Constitution doesn't need to be rewritten it needs to be reread

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          • #6
            How many of you remember Fiberglass armor? It stopped HEAT but failed against High Velocity AP. There was an issue with Fiberglass being removed each hit, possibly leaving it vulnerable to a second hit in the same place.

            Let us see if "Foam" can stop both types of AT rounds.

            Pruitt
            Pruitt, you are truly an expert! Kelt06

            Have you been struck by the jawbone of an ASS lately?

            by Khepesh "This is the logic of Pruitt"

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