Dyneema, Kevlar and Ceramics

>>33060446
Deforms in heat, doesn't work well with high moisture/heat environments. This causes degradation issues when applied to body armor.

>>33060542
So basically dyneema plates and protection wears out faster than kevlar and ceramics?

>>33060672
Yeah pretty much that.

>>33060673
what kinda times are we discussing here? As in how much longer can kevlar and ceramics be worn/used than dyneema?

This if course depends on the amount of use, but lets say in a combat zone like Afghan, Iraq or, for a colder climate, Ukraine?

>>33060732
Depends on useage, I don't have exact numbers on hand. Field conditions were tested with this stuff several years ago and it was found to be grossly unsatisfactory. A lot of these high-strength polymers have one or two serious weaknesses that prevent them from being used outdoors, like poor UV resistance (Vectran) or environment fatigue (Dyneema). Ceramic composites are a totally different type of material and are made for this job.

>>33060778
Any idea where I could find info on these tests?

>>33061020
No idea. Maybe with a SIPR.

It's kinda weird that the only sources I've been able to find about Dyneema being unsatisfactory on the field are random forum and imageboard comments.

Not really saying you are lying, just interested in the subject.

http://www.hendonpub.com/law_and_order/articles/2014/01/dsm_dyneema_ballistic_materials

Here it says

"DSM has published several studies into the ballistic resistance of artificially aged Dyneema fiber and Dyneema UD grades. These studies found that—extrapolated to real-world conditions—both UHMWPE fiber and UHMWPE unidirectional composites from DSM Dyneema will retain their tensile properties and ballistic performance for five years. This is the typical baseline requirement for ballistic-resistant vests. Even tougher tests have found no significant drop in the ballistic performance of the artificially aged samples. These are impressive results, but they are also theoretical results.

A real-world study explored the retention of ballistic performance of used and real-time aged vests, inserts and helmets made from Dyneema UD unidirectional composite. The items, which ranged in age from five to 12 years old, had either been used by law enforcement officers or military officers in theater or stored. The study found that these used and aged articles continued to perform in line with the specifications that applied when the articles were made and certified. The results are in line with the predictions of DSM’s aging models."

Isn't this contradictory to what you just said?