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Nusyirwan Nusyirwan
Teknik Mesin Politeknik Negeri Padang
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Journal : Journal of Technomaterial Physics

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Enhancing the Crack Resistance of Polyester Resin Composites with Rice Husk Fiber Reinforcement Nusyirwan, Nusyirwan; Hijar, Yul; Malik, Adam
Journal of Technomaterial Physics Vol. 7 No. 1 (2025): Journal of Technomaterial Physics
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jotp.v7i1.18895

Abstract

Polymers have been widely developed as alternative materials to replace metal materials due to various advantages such as low density and an easy manufacturing process. Still, polymers have many disadvantages, including not having high mechanical strength, easy to crack when hit by impact. One of the materials studied is an unsaturated polyester polymer widely used for composite matrices in vehicle structural components, aircraft and ship bodies, and vehicle components. One of the studied fibers is rice husk particle fiber. The study of cracks is crucial because it causes the material to no longer be able to support the load according to the previous plan and causes failure to occur more quickly. One way to overcome material failure due to cracks in the composite material is to prevent crack propagation by adding reinforcing material. In this study, a composite material was made using rice husk fiber to increase the crack resistance of the polyester composite matrix. From the results of crack testing, there is a tendency to increase the percentage of rice husks by 5%, 10%, 15%, and 20%. The value expected to be obtained for determining the crack resistance of the material is the value of the stress intensity factor (K1). The largest K1 value was obtained at the variable percentage of rice husk 15% with MMA as much as 10% and MEKP 4% obtained a stress intensity factor of 1,558 MPa.m0.5; this value can increase the value of the stress intensity factor of pure polyester K1 by 0.667 MPa.m0.5 which shows an increase of 233.58%.
Co-Authors AA Sudharmawan, AA Adam Malik Adriansyah Adriansyah Amalia Akita Anggi Septiawan Putra Aprianto, Hibatullah Anis Ardianto, Bagus Arifian, Naf'an Asmed Asmed Astuti, Enny Diah Ayu Putri Ningsih Azizul Kholis, Azizul Basrullah Basrullah Br Bangun, Edmy Febriani CICIK SURIANI Daulae, Abdul Hakim Dedi Erawadi Desmarita Leni Efiandi, Nota Ekayuliana, Arifia Elisma, Netri Eri Setiawan Fadhilla, Nadiyatul Fadilah, Alif Rifqi Fajri Arsyah, Ahmad Hasnul Fardinal Fardinal Fauziyah Harahap Fikri, Hayatul Haliatur Rahma, Haliatur Hamdani, Rifki Hamdani, Rifqi Handayani, Dina Haris Haris, Haris hasyim, hasyim Hendra Hendra Herkules Herkules, Herkules Hidayat, Rahmadani Hijar, Yul Ihsan Putra Erizal Ilham, M. Insani, Farhan Filza Irwan Irwan Jeremiah, Jogi Jumsu Trisno Jusafwar, Jusafwar Kusdiana, Yayu Maimuzar Maimuzar Malik , Adam Martinius Martinius Masril Masril Mega Fatimah Rosana Muhammad Luthfi Mustaqim, Adnan Nasirwan Nasirwan Nefri, Jhon Nofriadi Nofriadi Nota Effiandi Nursamsu Nursamsu Oktavia, Putri Meyla Oktaviani, Jelita Priyanda, Eko Purnomo, Yoga Amin Rama, Hilfama Rani, Mutya Reflin Riezky Idvi Alfitra Riki Rahman Rita Noveriza Robby Novrizal Ruzita Sumiati Safrizal Safrizal Salsabila, Syafira Seno, Abdi Setiadi, Bekti Sibarani, Choms Choms Gary Ganda Tua Sihombing, Josephine Gloria Margareth Simanjuntak, Yolanda Sulastri Sinuraya, Kenari Br Sir Anderson Siti Saudah Sonki Prasetya Sri Wahyuni Sri Yuliani Sulistyo Budi Utomo Syahmi Edi Syarifuddin Syarifuddin Tinaria, Lisa Wahyuningratna, Ratu Nadya Widiyatmoko, Widiyatmoko Yul Hizhar Yuli Yetri Yuliarman Yuliarman Zubir, Zubir