ANALISIS PENGARUH DENSITAS DARI INTI PROYEKTIL BAJA DAN TUNGSTEN CARBIDE – COBALT (WC – 8Co) TERHADAP PENETRASI PROYEKTIL PADA TARGET SILICON CARBIDE (SiC)
DOI:
https://doi.org/10.33172/tsj.v1i2.477Abstract
Teknologi body armor terus mengalami perkembangan secara simultan. Awalnya material utama dari body armor adalah baja, kemudian berkembang menjadi material keramik, karena keramik mempunyai properti low density, high hardness, dan high compressive strength. Salah satu teknologi yang dapat dilakukan untuk meningkatkan performa amunisi adalah dengan menggunakan material yang high density dan high hardness pada inti proyektil dari amunisi, seperti material tungsten carbide – cobalt (WC – 8Co). Berdasarkan hal tersebut, maka akan dilakukan analisis tentang pengaruh substitusi material proyektil inti baja standar Pindad dengan inti WC – 8Co terhadap performa amunisi kaliber 5.56 × 45 pada material target keramik silicon carbide (SiC). Penelitian ini menggunakan metode eksperimen yang mengacu pada STANAG 4241 dengan melakukan uji balistik. Dari penelitian ini didapat data bahwa untuk material target SiC (1) Proyektil inti WC – 8Co menghasilkan DoP 1.5 kali lebih besar daripada proyektil inti baja standar Pindad, dan (2) Proyektil inti WC – 8Co menghasilkan diameter kawah 1.3 kali lebih besar daripada proyektil inti baja standar Pindad. Data ini menunjukkan bahwa untuk material target SiC, performa penetrasi proyektil yang menggunakan inti WC – 8Co lebih baik daripada performa penetrasi proyektil yang menggunakan inti baja standar Pindad.
Kata kunci: WC – 8Co, baja standar Pindad, dan SiC.
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