Google doesn’t want to give me an answer and I really want to know. Thanks!
In: Engineering
The answer to your question is “Yes”.
Yes, the penetrator (the bit that actually goes through, the round isn’t uniform) has to be harder than the armor to get through. Otherwise it will just deform on impact without punching a hole.
But also yes, speed matters. Materials don’t behave the same when impacting at slow vs. high speeds. The higher the speed, cleaner the penetration will be, as the material doesn’t have time to react to the impact properly. You’re literally hitting it faster than it can “notice”.
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