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Journal : Jurnal Polimesin

The effect of honeycomb and rectangular structures made with PLA 3D printing on the impact strength of sandwich composite Setiawan, Ferry; Sofyan, Rifal Ma'rifatulloh; Putra, Ikbal Rizky
Jurnal Polimesin Vol 23, No 1 (2025): February
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v22i4.3713

Abstract

Composites with a sandwich structure with a core using polymer materials has been widely applied, 3D printing technology makes polymer structures with various geometric variations, but research on the influence of geometric shapes made with 3D printing machines with PLA materials bonded using a one-step manufacturing process with a hand lay up method is still not widely done. The purpose of this study is to determine the comparison of the impact strength of sandwich composite materials with core honeycomb and rectangular made from PLA 3D printing made with a one-step process manufacturing system with the hand layup method. The sandwich composite composition used is fiberglass as the face skin and the matrix uses epoxy resin, where this resin also functions as an adhesive. The absorption energy data obtained with the best value was a honeycomb core specimen with an average value of 3.2758 Joules compared to the absorption energy data from the rectangular core which had an average value of 3.1552 Joules. The impact price data obtained with the best value was the honeycomb core with an average value of 0.0225 J/mm2, when compared to the impact price data from the rectangular core which had an average value of 0.0217 J/mm2. From this study, it can be concluded that sandwich composites with honeycomb cores have better impact strength property values because they have a more compact arrangement of materials that are bonded to each other on 6 sides, and also because honeycomb structures have a higher weight of 20 grams compared to rectangular structures that weigh 18.
Co-Authors Adiksa, Ekklesia Christian Aditya Mahendra, Dimas agung nusantoro Ahmad Saefulloh Akmal Akmal Aldo novando, Aldo novando Alexandro Grandy, Yoseph Alkhalif, Farhan Amelia, Sonia Amri, Chairul Ani Yuningsih Arfie Armelia Erissonia assidiq, maulana hasbi Atie Rachmiatie Atmoko, Dwi Ayu, Katriani Puspita Azies, Ibnu Abdul B, Berkat Benny Aprianto Saputra Bhayu Rama Bhayu Rhama Chalik, Faturrahman Christina, Meilianna Devita Christopher Cahyadi Cris Aditya Pratama Dian Yulie Reindrawati Dina Prasetia, Gilang Djuwansah Suhendro Dotrimensi . Edi Sofyan Edi Sofyan, Edi Edy Sofyan, Edy Emi Triani Endy Aditya, Virgiawan Eva Forwanti Evi Puspitasari Fajar Pradana Febriyanto, Chandra Ferry Yeferson Tulle Fikri, Moh Afif Fikri Hapsari, Andriyani Haris Ardianto, Haris Hazhari, Fadhlah Hermawan, Aldi Henda Hillal, Raden Fatchul Hotma P. Sibuea Ilhami, Zaqi Arya Zullfawas Jayadi, Arid Jiwangga Hadi Nata Juanda Julianus Ka'Issa, Adestima Kandriana, Kandeg Kasanah, Mauridhatul Lili Mulyani M. Zainuddin L. F Mahendra, Dimas Aditya Malik, Kurnia Marausna, Gaguk MARIA BINTANG Marvy Ferdian Agusta Sahay Miswanto Muh Anhar Muhammad Ditya Satrianto Muhammad Luqman Bukhori Mulianto Mulianto Nazarullah, Ibny Noerachman, Edy Nur Hamzah, Muhammad Nurdiana, Yuda Nurul Hikmah NURUL HIKMAH Octaline Putri Efma Primagratha, Imam Putra, Aldi Maha Putra, I Wayan Sumardana Eka Putra, Ikbal Rizki Putra, Ikbal Rizky Qayyum, A Reny Puspita Sari Nasution Reny Puspita Syari Nasution Reo Yudhono Retno Widyaningrum, Retno Rilah Fitria Utami Riswanto, Cipto Rizki, Ikbal Romadhon, Doni Sakti , Faras Bimo Saphira, Bella Saputro, Bayu Sapto Saraan, Muhammad Imanuddin Kandias Satria Maulana, Dede Satrya Buana, Allan Sehono Selvia, Fitriana Septiane, Faradiba Sintha, Melia Sitio, Elisabeth Fransisca Saragi Sofiyan, Edy Sofyan, Rifal Ma'rifatulloh Sontoe Sri Rejeki Murtiningsih Suja’i, Imam Sukwatus Suroso, Indreswari Syahirul Alam, Mochamad Doddy Syahirul Alam Taaqbier, Mohammed Tri Afirianto, Tri Tulis, Riamona Sadelman Ulfah, Sri Mujiarti Utami Irwan, Andi Ilmi Wahyuni Christiany Martono Wicaksono, Dhimas Wichaksono, Dhimas Widagdo, Djoko Widodo S Pranowo Widyananto, Eksi Wira Samudra, Elang Wiratama, Arif Prasetya Yolan Daniel Beni Yongki Candra Yorgen Kaharap Zulfa, Auliya Failaih Zulfikar Ramdhan, Muhammad