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Kevlar is used in bullet proof vests, not bullets themselves. Because Kevlar is so light and so strong (5 times stronger than steel) it's used in a variety of things. Certain ropes, bicycles, boats, airplanes, and of course...bullet or knife proof vests. o.o
 
I'm sorry, but that's a really dumb rule. Not to be n00bish, but what does that rule accomplish?
 
Good thing there's MMC. *hides*
 
On the topic of guns, a car dealership where I live is giving away a free gun with every purchase of a vehicle. I don't think that's a good idea...
 
[ray.z] said:
Well I don't know too much about firearms, but I think that they do have bullets tipped in some sort of material so that they can go through Kevlar.

Ain't sure what it is though ...
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Most likely it's either steel, tungsten-carbide, or depleted uranium enclosed within a copper or steel alloy jacket. Small arms typically use steel and tungsten penetrators; aircraft and tank rounds sometimes use depleted uranium.

Contrary to popular belief, Teflon is ineffective at piercing armour; bullets are coated in Teflon to reduce wear on the barrel, not to defeat Kevlar and other such materials.
 
Jack O'Neill said:
Most likely it's either steel, tungsten-carbide, or depleted uranium enclosed within a copper or steel alloy jacket. Small arms typically use steel and tungsten penetrators; aircraft and tank rounds sometimes use depleted uranium.

Contrary to popular belief, Teflon is ineffective at piercing armour; bullets are coated in Teflon to reduce wear on the barrel, not to defeat Kevlar and other such materials.
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I thought depleted uranium was no longer used. I had read that tungsten replaced depleted uranium in military use. I'm not exactly sure why it's no longer used though. I guess just because tungsten-carbide is more practical. o.o
 
MegaFuz said:
I thought depleted uranium was no longer used. I had read that tungsten replaced depleted uranium in military use. I'm not exactly sure why it's no longer used though. I guess just because tungsten-carbide is more practical. o.o
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Depleted uranium is still used by the United States, Great Britain, Russia, and France, among other nations. Raw material costs are lower with DU than with tungsten, and DU is also easier to melt and shape. In addition, DU is a pyrophoric compound; it ignites on contact with armour, a quality that tungsten carbide does not possess.

However, pure depleted uranium is softer than tungsten and thus has to be alloyed with other metals, such as titanium; on the other hand, tungsten carbide is one of the hardest materials known to man. Still, DU is cheaper, easier to work, and incendiary.
 
Jack O'Neill said:
Depleted uranium is still used by the United States, Great Britain, Russia, and France, among other nations. Raw material costs are lower with DU than with tungsten, and DU is also easier to melt and shape. In addition, DU is a pyrophoric compound; it ignites on contact with armour, a quality that tungsten carbide does not possess.

However, pure depleted uranium is softer than tungsten and thus has to be alloyed with other metals, such as titanium; on the other hand, tungsten carbide is one of the hardest materials known to man. Still, DU is cheaper, easier to work, and incendiary.
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Ah...guess I was mistaken then. I wish I knew where I read that article. =\
 
MegaFuz said:
Ah...guess I was mistaken then. I wish I knew where I read that article. =\
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I practically know nothing about those sorts of materials~

._. Diamonds are the hardest substance or whatever, right?
 
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Kura said:
I practically know nothing about those sorts of materials~

._. Diamonds are the hardest substance or whatever, right?
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Gosh...you should really read up on the stability of materials. XD
 
Aggregated diamond nanorods may be the hardest substance known to man, but I doubt they have any practical civilian or military applications.

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