Composites/Polymers (Kevlar?) for defence application

[tsurani]

Hi all,

I am currently searching for a composite/poylmer in the form of a cylidrical/cone geometry (~60mm diam, L~200mm) that can withstand an axial (longitudinal) pressure of up to 550MPa with little deformation over a time period of approx. 5ms. Good ol' Matweb provides stats of Kevlar with UTS>3GPA and E~115GPa. But how good is it in compression, being a composite lay-up and all? Im open to suggestions of other materials. Any help would be gretly appreciated.

Cheers!


tsurani

"Catapultam habeo. Nisi pecuniam omnem mihi dabis, ad caput tuum saxum immane mittam."

 

[IRstuff]

Is the object rigid? Can you use ceramic or carbide armor?

TTFN

 

[tsurani]

At this stage in the conceptual development, I dont see why not, as long as the said ceramic/carbide could withstand the aforementioned loads without brittle/impact failure. Ill be the first to admit I know little of ceramic behaviour. Could you perhaps provide data on applicable ceramics/carbide armour?

Thanks for the suggestion.

Cheers,

tsurani

"Catapultam habeo. Nisi pecuniam omnem mihi dabis, ad caput tuum saxum immane mittam."

 

[IRstuff]

Ceradyne and Simula are a couple of example companies that make a ceramic or carbide armor that's backed with a composite or Kevlar backing. This allows the armor to take single hits wihout completely disintegrating as the backing material keeps the armor in place

TTFN