Alümina önyüzlü polietilen destekli kompozit zırhın balistik davranışlarının deneysel incelenmesi

Yıl 2024, , 2091 - 2102, 20.05.2024

Mehmet Akif Akdoğan , Selim Türkbas

https://doi.org/10.17341/gazimmfd.1252226

Öz

Askeri hücum teknolojisinin artan gücü nedeniyle, geleneksel zırh yöntemleri etkinliğini yitirmiştir. Bu nedenle hızla gelişen savunma uygulamaları için farklı mekanik özelliklere sahip yeni ekipmanların geliştirilmesi gerekliliği ortaya çıkmıştır. Bu çalışma kapsamında, ultra yüksek moleküler ağırlıklı polietilen (UHMWPE) destek tabakası ve alümina seramik yüzeyli kompozit zırh sisteminin 7.62×51mm zırh delici mermiye karşı balistik testleri yapılmış ve hasar yapıları incelenmiştir. Bu çalışma kapsamındaki balistik testler özel bir endüstriyel tesis laboratuvarında gerçekleştirilmiştir. Sonuç olarak verilen zırh kombinasyonunun koruyucu performansının yeterince yüksek olduğuna ve saha uygulaması için uygun bir seçim olduğuna karar verilmiştir. Yapılan deneyler sonucunda, meydana gelen kırılma konisi, hasarın boyutu ve yapısı, çatlak ilerlemesi, mermi hasarı, arka destek tabakasındaki çöküntü boyutu gibi birçok özellik açısından mükemmele yakın olduğu görülmüştür. Zırh sisteminin arka yüzeyindeki UHMWPE tabakasında oluşan çöküntü miktarının 18 ile 20 mm arasında değiştiği ölçülmüştür. Elde edilen bu değerler istenilen uluslararası personel koruma standartlarına uygun olduğundan oluşturulan zırh sistemi kompozisyonunun gerekli korumayı sağlayabilen tercih edilen bir kompozisyon olduğu anlaşılmaktadır. Genel olarak alümina seramik ön yüz, UHMWPE kompozit destek plakası ile oluşturulan ve epoksi reçine ile birleştirilen zırh sisteminin standartlar çerçevesinde istenilen özellikleri sağladığı görülmektedir.

Anahtar Kelimeler

Balistik Darbe Davranışı, Seramik Kompozit, Zırh Sistemi, Deneysel Analiz

Kaynakça

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