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All Journal TEKNIK Jurnal Ilmu Dasar Jurnal Simetris Jurnal Pengembangan Pendidikan Jurnal Teknosains Jurnal Teknologi SINTEK JURNAL: Jurnal Ilmiah Teknik Mesin Rekayasa Mesin Sinergi Journal of Engineering and Technological Sciences REKAYASA ROTOR: JURNAL ILMIAH TEKNIK MESIN Jurnal Litbang Industri EMITTER International Journal of Engineering Technology R.E.M (Rekyasa Energi Manufaktur) Jurnal Journal of Mechanical Engineering Science and Technology Panrita Abdi - Jurnal Pengabdian pada Masyarakat Turbo : Jurnal Program Studi Teknik Mesin Journal of Energy, Mechanical, Material and Manufacturing Engineering STATOR: Jurnal Ilmiah Mahasiswa Teknik Mesin Multitek Indonesia : Jurnal Ilmiah Jurnal Elemen ComTech: Computer, Mathematics and Engineering Applications Jurnal Teknologi Informasi dan Pendidikan Abdi Dosen : Jurnal Pengabdian Pada Masyarakat Jurnal Riset Teknologi Industri J-Proteksion: Jurnal Kajian Ilmiah dan Teknologi Teknik Mesin JURMA : Jurnal Program Mahasiswa Kreatif Jurnal Abdi Masyarakat Indonesia Jurnal Litbang Industri National Multidisciplinary Sciences Jurnal Polimesin J-Proteksion : Jurnal Kajian Ilmiah dan Teknologi Teknik Mesin
Mahros Darsin
Jurusan Teknik Mesin Fakultas Teknik Universitas Jember
Religion Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Public Health Social Sciences Other

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Characterization of FDM 3D Printed Parts Using TPU + PETG Filaments For Shin Guard Products Darsin, Mahros; Yulio, Agit Yoga; Syuhri, Ahmad; Ramadhan, Mochamad Edoward; W.C.S, I Made Ivan; Sumarji, Sumarji
Jurnal Polimesin Vol 22, No 1 (2024): February
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v22i1.4122

Abstract

3D printing machines are used to print products that support sports activities, such as shin guards. During sports, shin guards are protective equipment to prevent injury to the lower legs. Filaments that are suitable for making shin guards are thermoplastic polyurethane (TPU) and polyethylene terephthalate (PETG) because they have impact resistance properties needed to protect the feet during sports. The variation is the level parameter layer height, nozzle temperature, printing speed, and bed temperature. Next, an impact test will be carried out to determine the optimal parameter variation on the 3D printing machine, which is expected to be a reference for printing quality products. This study uses a 3D printer, Ender v3, to print specimens and shin guard products. The material used is TPU+PETG filament. The Taguchi method with the orthogonal matrix L9(3)4 was repeated thrice for each experiment. After that, an analysis of variance was carried out. Parameter variations used in the study were layer height (0.1 mm, 0.2 mm, 0.3 mm), nozzle temperature (220℃, 225℃, 230℃), printing speed (45mm/s, 45mm/s, 50mm/s) and bed temperature. (70℃, 75℃, 80℃). In this study, Charpy impact testing will be carried out. The combination of factors that can produce an optimal impact test is layer height level 2 (0.2 mm), nozzle temperature level 1 (220℃), printing speed level 3 (50 mm/s) and bed temperature level 2 (75℃) with an impact strength value the highest was 27.20 and the lowest was 11.07. The combination of factors that have the most significant effect on the impact test strength values is layer height 63.97%, nozzle temperature 6.19%, printing speed 2.07% and bed temperature 4.74%.
Chemical Modification of Petung Bamboo Fiber to Hybrid Composites: Modifikasi Kimia Serat Bambu Petung terhadap Komposit Hibrida Yusron Maulana, Raden Muhammad; Rahma Rei Sakura; Nasrul Ilminnafik; Sumarji; Mahros Darsin
R.E.M. (Rekayasa Energi Manufaktur) Jurnal Vol 10 No 2 (2025): December
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/r.e.m.v10i2.1768

Abstract

This study evaluates the effect of alkali treatment using NaOH solution on the mechanical properties and microstructure of hybrid composites based on epoxy resin reinforced with petung bamboo fiber and fiberglass. Bamboo fibers were immersed in five NaOH concentration variations (0%, 3%, 6%, 9%, 12%) before composite fabrication using the hand lay-up method. Tensile testing was performed according to ASTM D-638 standard and microstructural characterization using Scanning Electron Microscope (SEM). The results showed that 9% alkali treatment produced the best mechanical performance with a tensile strength of 58.68 MPa, elongation of 4.15%, and elastic modulus of 1413.49 MPa. SEM analysis indicated improved fiber-matrix adhesion due to removal of lignin and hemicellulose. Optimal alkali concentration enhanced composite performance, making it a potential candidate for eco-friendly vehicle interior applications.
Co-Authors ,, Sumarji Agil Widhy Azizi Agus Triono Ahmad Adib Rosyadi Ahmad Iqbal Fawaid Ahmad Rendi Maulana Ahmad Syuhri Al Wafi, Adib Ales, Steve Korakan Alfi Hasan Anam, Khairul Andi Sanata Angger Sudrajat Angger Sudrajat, Angger Antonius Cahya Prihandoko Aris Zainul Muttaqin Ariyo Anindito Asrofi, M Azmi Saleh Bambang Irawan Basuki , Hari Arbiantara Boy Arief Fachri Cahya Alief Prasetyo Cahya Alief Prasetyo Catur Suko Sarwono Chatarina Umbul Wahyuni Chen, Zhan Clarissa Putri Sholeha Danang Yudistiro Danang Yudistiro, Danang Yudistiro Danny Febriansyah Dedi Dwilaksana Deny Tomy Andrianto Digdo Listyadi, Digdo Dinata, Gerry Gardika Surya Doddy Parningotan Dwi Djumhariyanto Dwi Hidayatul Qoryah, Rika Efendi , Moh Riski Elhamzah, Denaldy Elza Setya Faqih, Muhammad Fadhlurrohman Faradin Adyatama Faris Ahmad Junaedi Fatkhur Rohman Firman Gustiawan Gaguk Jatisukamto Hadi Samsul Halmi Palwa Guna Hanifudin, Muhamad Hardiatama , Intan Hari Arbiantara Hari Arbiantara Basuki Hari Arbiantara, Hari Hary Sutjahjono Hayun Indra Nur Iman Hermawan , Yuni Hutama, Tri Surya Ilminafik, Nasrul Imam Rudi Sugara Imam Sholahuddin Indra Surya Iwanata Intan Hardiatama Ismono, Firman Ema Jatisukamto , Gaguk Joni Anggianto Khamdan Khavivi Kusno Kusno Kustanto, Muh. Nurkoyim Kustanto, Nurkoyim Laily Ilman Widuri Luviandy, Allen Miftakhul Rohman Mochamad Asrofi Mochamad Edoward Ramadhan Mochamad Edoward Ramadhan Mochamad Edoward Ramadhan Mochammad Edoward Ramadhan Mohammad Firman Mohammad Firman, Mohammad Muh Nurkoyim Kustanto Muhammad Dimyati Nashrullah Muhammad Ghilman Badri Muhammad Ghilman Badri, Muhammad Ghilman Muhammad Mukti Ali Muhammad Nur Cahyo Hidayat Nasrullah Muhammad Sholihul Amin Muhammad Trfiananto Muhammad Trifiananto Nasrul Ilminnafik Naufal Fardio Albajili Nugraha, Dicky Aprilian Nurkoyim Kustanto, Muh Pasang, Timotius Pieter Muhammad Iko Marrendra Prakoso, Muhammad Ihsan Prayogo Alim Pangestu Puranggo Ganjar Widityo R. Koekoeh Koenjtoro Wibowo Rahma Rei Sakura Raihaan . Ramadhan, Ivan Fadilla Renald Rochman Mauludy Rika Dwi Hidayatul Qoryah Rizal, Ahmad Ayyub Syaiful Robertoes Koekoeh Koentjoro Wibowo Robertus Sidartawan Rossy, Rio Martha Febriana Rudi Sugara, Imam Sains Ilham Akbar Salahuddin Junus Salman Al Farisi Siregar Salmansyah, Dathantara Samsuri . Santoso Mulyadi Sari, Herninda Ayu Meylinda Soesatijono Soesatijono Soesatijono Soesatijono Sukma, Kinanti Wilujeng Sumarji Sumarji Susanti, Rizqa Putri Syahriza, Mochamad Rifki Syuhri, Skriptyan Noor Hidayatullah Taqdissillah, Doohan Timotius Pasang TRI HANDOYO Tri Surya Hutama Triana Lindriati W.C.S, I Made Ivan Wardatul Jannah Wazirotus Sakinah Wibowo, Robertoes Koekoeh K. Wibowo, Robertoes Koekoeh Koentjoro Yahya, Hafiz Indratma Yohan Rizal Kharisma Yulio, Agit Yoga Yuni Hermawan Yusron Maulana, Raden Muhammad Zhan Chen