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All Journal Rekayasa Mesin Mekanika: Majalah Ilmiah Mekanika Abdi Dosen : Jurnal Pengabdian Pada Masyarakat Otopro Jurnal Syntax Transformation Journal of Mechanical and Electrical Technology
Pranoto, Bayu
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Surface Roughness and Fiber Angular Orientation Analysis Toward Laminated Composite Crack Propagation Firmansyah, Hilmi Iman; Pranoto, Bayu; Gunawan, Chandra; Wicaksono, Hangga; Fakhruddin, Muhammad
Mekanika: Majalah Ilmiah Mekanika Vol 20, No 1 (2021): MEKANIKA: Majalah Ilmiah Mekanika
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/mekanika.v20i1.48188

Abstract

In this study, fatigue testing of fiber metal composites was carried out to determine the rate of crack propagation so that the age of the fiber metal composite specimen was known. The independent variable in this research is the angular orientation of the carbon fiber and the surface roughness of the aluminium with the dependent variable response is the bridge crack rate. The manufacture of fiber metal laminates specimens uses the Vacuum Assist Resin Infusion (VARI) method, which uses a vacuum pump as a means to flow the resin from the reservoir to the mold. Fatigue testing is performed using the stress amplitude method. That is, the value of the load when the tensile test is one third of the tensile strength. After the fatigue test was carried out, the results were obtained on specimens with an angular orientation of 0/90° fibers, the crack propagation rate slowed down with a cycle value of 90,000 in specimens with a surface roughness value of 2.128 µm then decreased cycles on specimens with a value of 2.887 µm, namely 11,000 cycles.
Co-Authors Aji, Supa Kusuma Asrori Asrori Ekasari, Silvia Rahmi Eko Yudiyanto Faizal, Elka Gunawan, Chandra Hilmi Iman Firmansyah ING Wardana Kris Witono Muhammad Fakhruddin NASIR, MOH. Nugraha, Andhika Angger Perkasa, Rilis Eka Satworo Adiwidodo Sulistyono Sulistyono Supriyanto , Nicky Suwandhy Widhi Susilo, Sugeng Hadi Suwandhy, Nicky Trifiananto, Muhammad Tseng, Chung-Jen Weddakarti, Eva Wicaksono, Hangga Wirawan Wirawan