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posted by martyb on Tuesday April 10 2018, @11:37PM   Printer-friendly
from the Who's-afraid-of-the-big-bad-bomb? dept.

Armor-Piercing Bullet Turned to Dust When Fired at Composite Metal Foam

Essentially a metal sponge consisting of hollow metal beads within solid metal, composite metal foam (CMF) generally retains some physical properties of its base materials. While its defining characteristic is ultra-high porosity, CMF boasts 5 to 6 times greater strength as well as over 7 times higher energy absorption than previously developed metal foams. Typically created by melting aluminum around hollow metal spheres, it is impressively 70% lighter than sheet metal and 80 times more energy absorbent than steel.

The foam is claimed to be non-toxic, resistant to radiation, fire and heat resistant.

http://www.breitbart.com/tech/2016/04/21/watch-armor-piercing-bullet-turned-to-dust-when-fired-at-composite-metal-foam/

Youtube video (13 seconds) https://www.youtube.com/watch?v=lWmFu-_54fI

Related video (2:30) demonstrates automotive and other applications https://www.youtube.com/watch?v=7uE_f9rXLlk

Slightly different coverage at https://newatlas.com/metal-foam-bullets/42731/

Another Youtube video, demonstrating an explosion - https://youtu.be/yMVEQh5Akcc


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  • (Score: 2) by Freeman on Wednesday April 11 2018, @12:51PM (1 child)

    by Freeman (732) on Wednesday April 11 2018, @12:51PM (#665340) Journal

    So, now it's ok for me to use smake in scrabble?

    --
    Joshua 1:9 "Be strong and of a good courage; be not afraid, neither be thou dismayed: for the Lord thy God is with thee"
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  • (Score: 2) by bob_super on Wednesday April 11 2018, @04:16PM

    by bob_super (1357) on Wednesday April 11 2018, @04:16PM (#665413)

    Sure, but "lynx" is more points.