General Question

ragingloli's avatar

How feasible is it to make a blade out of pure diamond?

Asked by ragingloli (35392 points ) June 7th, 2014

Since artificial diamonds can already be produced, how difficult would it be to grow an entire blade, like a knife or sword?
And how robust would it be in combat?

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6 Answers

talljasperman's avatar

It would be sharp but very brittle. It would only be good for the first strike.

kritiper's avatar

Yes, very brittle.

Seek's avatar

http://en.wikipedia.org/wiki/Synthetic_diamond#Chemical_vapor_deposition

Looks like it could be done, theoretically.

I wouldn’t want it to be my main weapon, however. Good ceremonial sacrifice weapon, bad fencing sword.

ninjacolin's avatar

best question ever? possibly.

downtide's avatar

They already use diamonds for surgical instruments but these things are very small and are treated gently. It’s not robust enough for anything bigger.

28lorelei's avatar

Yeah, it would not do well as a combat blade. The surgical instruments they make with diamond are excellent- good at cutting through things like bone. I believe they use them in some diamond-tip drills as well- those can drill through pretty much anything. Not for a larger blade though- making a diamond that big would be a hassle too.

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