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All Journal IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA)
M. Fatih Priyanto
Universitas PGRI Semarang
Automotive Engineering Energy Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Pengaruh Ukuran Partikel Serbuk Cangkang Kerang Perna Viridis terhadap Kekuatan Tarik dan Impak Komposit Resin Epoksi M. Fatih Priyanto; Muhammad Budi Haryono; Muhammad Faesal Febriandyono
IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA) Vol 5 No 2 (2026): Agustus
Publisher : CV. IRA PUBLISHING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56862/irajtma.v5i2.470

Abstract

As a maritime country, Indonesia generates substantial amounts of shell waste that remain underutilized. This study aimed to utilize Perna viridis shell waste as a filler in epoxy resin composites and investigate the effect of particle size on their physical and mechanical properties. We used a quantitative experimental approach, fabricating specimens using the mold casting method. The composite contained 35% filler by mass. Tensile testing followed ASTM D638 Type I, and impact testing followed ISO 179 using the Charpy method. We also performed porosity testing and macrographic observations to evaluate the material structure. The results showed that increasing the mesh size from 80 to 120 reduced porosity from 18.61% to 13.37% and increased tensile strength from 28.77 to 33.04 N/mm². In contrast, impact toughness decreased from 0.051 to 0.047 J/mm². Finer particles improved composite density and interfacial bonding, resulting in higher tensile strength but greater brittleness under impact loading.
Co-Authors Muhammad Budi Haryono Muhammad Faesal Febriandyono