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All Journal Cakrawala Pendidikan Biospecies Bumi Lestari Acta Interna : The Journal of Internal Medicine Biota: Jurnal Ilmiah Ilmu-Ilmu Hayati JURNAL PEMULIAAN TANAMAN HUTAN Jurnal Online Mahasiswa (JOM) Bidang Keguruan dan Ilmu Pendidikan INFOKAM Jurnal Ilmu-Ilmu Pertanian Indonesia Jurnal Ketahanan Nasional Jurnal Teknologi Informasi Komunikasi Pendidikan e-Jurnal Arus Elektro Indonesia Tajdida Jurnal Varidika Forum Geografi Jurnal Rekayasa Mesin Manajemen Pendidikan Jurnal Edukasi: Kajian Ilmu Pendidikan Jurnal Ilmiah Universitas Batanghari Jambi DWIJA CENDEKIA: Jurnal Riset Pedagogik Jurnal Pendidikan : Riset dan Konseptual Jurnal Kimia Terapan Indonesia Jurnal Manajemen Pendidikan Penelitian Kualitatif Jurnal JUMPED (Jurnal Manajemen Pendidikan) Jurnal Agroqua: Media Informasi Agronomi dan Budidaya Perairan Indonesian Journal of Primary Education Jurnal Pertanian Agros Hasanuddin Journal of Applied Business and Entrepreneurship SEIKO : Journal of Management & Business Jurnal Neraca: Jurnal Pendidikan dan Ilmu Ekonomi Akuntansi Jurnal Ilmiah Adiraga : Jurnal Penelitian Olahraga JUARA : Jurnal Olahraga Jurnal Pengembangan Wiraswasta YUME : Journal of Management JABE (Journal of Applied Business and Economic) Voices of English Language Education Society Pedagonal : Jurnal Ilmiah Pendidikan as-sibyan : Jurnal Pendidikan Anak Usia Dini EARLY CHILDHOOD : JURNAL PENDIDIKAN METIK JURNAL Social, Humanities, and Educational Studies (SHEs): Conference Series Diakronika Jurnal Dinamika UMT Jurnal Ilmiah Biologi Eksperimen dan Keanekaragaman Hayati (J-BEKH) Seminar Nasional Teknologi Informasi Komunikasi dan Administrasi [SEMINASTIKA] Jurnal Edukes: Jurnal Penelitian Edukasi Kesehatan Multica Science and Technology Prosiding Konferensi Nasional PKM-CSR Jurnal Ilmu Pendidikan Sekolah Dasar Jurnal Akuntansi, Ekonomi dan Manajemen Bisnis Dinamika Kesehatan: Jurnal Kebidanan dan Keperawatan Jurnal Teknik Mesin Sinergi Jurnal Pengabdian Masyarakat Waradin Jurnal Publikasi Sistem Informasi dan Manajemen Bisnis (JUPSIM) PEDADIDAKTIKA: Jurnal Ilmiah Pendidikan Guru Sekolah Dasar Community: Jurnal Pengabdian Pada Masyarakat Diagnosa: Jurnal Ilmu Kesehatan dan Keperawatan Jurnal Riset Rumpun Ilmu Sosial, Politik dan Humaniora (JURRISH) Journal of Educational Innovation and Public Health Jurnal Riset dan Inovasi Manajemen Lokawati: Jurnal Penelitian Manajemen dan Inovasi Riset Faedah: Jurnal Hasil Kegiatan Pengabdian Masyarakat Indonesia International Journal of Educational Best Practices Jurnal Polimesin Muara: Jurnal Manajemen Pelayaran Nasional EKOBIS ABDIMAS : Jurnal Pengabdian Masyarakat Jurnal Mesin Sains Terapan Indonesian Journal of Primary Education Jurnal Historica
Sumardi Sumardi
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Journal : Jurnal Polimesin

 1 
The Effect of Current Density on Mechanical Properties of Electroplated Thin Copper Foil Luthfi Luthfi; Yuniati Yuniati; Darmein Darmein; Sumardi Sumardi
Jurnal POLIMESIN Vol 21, No 1 (2023): February
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v21i1.3456

Abstract

Thin copper foils are commonly used in arts, crafts, and manufacturing industries. Although copper electroplating processes have been widely studied, most focused on either copper in bulk material form factor or copper in extremely thin film shape. Thin copper foils are considered neither bulk material nor thin film; thus, it is estimated that they will have unique properties. This study aims to investigate the mechanical properties of thin copper foils coated by electroplating processes. The investigations were conducted experimentally by performing electroplating at current densities of 2, 3, and 4 A/dm2. The copper foil specimen having a dimension of 10 mm wide, 0.2 mm thick, and 125 mm long were electroplated in a bath of copper sulfate, sulfate acid, chloride acid, and copper brightener mixtures for 60 minutes powered by a 30 A DC power supply. The hardness and tensile test diagrams were studied. The strain, yield stress, and ultimate tensile stress data extracted from the tensile test diagram were compared with other previous studies found in the literature and fitted with linear regression lines. The relationship of those parameters with current density has been successfully obtained. The hardness, strain, and yield stress of the electroplated copper foil increased with larger current densities used in the electroplating process except for the ultimate tensile stress, which was found to be slightly decreased with current densities. The optimum operating condition for obtaining the best results was found at a current density of 3 A/dm2.
Thermal analysis and thermography observation of stainless-steel ice cubes Luthfi Luthfi; Azhar Azhar; Zuhaimi Zuhaimi; Syamsuar Syamsuar; Sumardi Sumardi
Jurnal POLIMESIN Vol 21, No 4 (2023): August
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v21i4.3985

Abstract

Alternative products for water ice cubes have long been sought due to the spread of waterborne diseases and microplastic contamination, as they are often made from unhygienic water sources. Recently, stainless-steel ice cubes have been considered as one of the best alternatives, and they have been very popular in marketplaces, although very few studies found in the literature that have investigated their potential in replacing water ice cubes. In this study, the thermal performance of stainless-steel ice cubes will be explored experimentally using a combination of an Arduino microcontroller equipped with DS18B20 thermocouple sensors and a HIKMICRO B20 thermal camera with the aim to find out how good stainless steel ice cubes for cooling food and beverages.  The time evolution of water temperature in glasses filled with stainless-steel cubes of various brands is compared with that of water ice cubes. The temperature field obtained from thermal images is used to further observe the overall temperature of water in the glass. Leeseph stainless-steel ice cubes are found to have thermal performance comparable to water ice cubes, while SSGP ice cubes can retain lower temperatures for a longer time compared with other ice cubes. The effect of the number of ice cubes (N), the volume of water (V), and the average diameter of the glass used (D) are also investigated. At 1 ≤ N ≤ 4, the larger number of ice cubes used are found to lower the minimum temperature, and to decrease the minimum time,  while at 150 ml ≤ V ≤ 300 ml, the larger amount of water used are observed to increase the minimum temperature and to increase the minimum time, . At 53 mm ≤ D ≤ 66 mm, larger glass diameter used are found to increase both the minimum temperature, and the minimum time
Co-Authors Abd Haris, Abd Abdullah Sanusi, Abdullah Afrizal Hasibuan Agus Siswanto Agus Suprihanto Ahimzha Ibnu Wiharnata Ahmad Alfi Adianur Giansyah Akmad Nugraha Ali Mustadi Ali Rizal Chaidir Amin, Fakhrul Ananto Triyogo Andri Cahyo Kumoro Anis Illahi siswanto Apollo Apollo Ardeniswan Ardeniswan ARDIL ARDIL Arlina Dewi Arni Supriyanti Atut Dwi Sartika Azhar Azhar Azizah Azizah Bambang Gonggo Murcitro Bayu Tri Prasetyo Bea Hana Siswati Beni Saputra Bostang Radjagukguk Bungsu Wahyu Sutriningsih Burhanuddin Burhanuddin Christina Nugroho Ekowati Cici Tania Cintya Ramadhani Daeng Ayub Dahroni Dahroni Daram Heriansyah Darmein Darmein Desti Irja Devi Rohana Putri Devia Luthfi Oktaviani Dewi Purwaningrum Dewi Rochsantiningsih Dewi, Andi Ratna Sari Dicky Bagoes Pratama Diky Aprianto Dimas Hudy Ariadie Dinah Nurrohmah Dita Anisa Putri Djabir Hamzah Doni Lagoda Manurung Dwi Nur Imsawati Edi Setiawan Edi Susilo Eka Oktaviana Eka Suhardi Eko Budiono Eko Pujiono Elan Elan Elmy Nur Azizah Endang Hadiati Enny Zubaidah Eric Dheva Tachta Armada Ervan Prasetyo Eska Dwi Prajayanti Fahrurrozi, Fahrurrozi Fajar Harianto Fariha Wilisiani Fatin Nurhayati Fatrodin Fatrodin Fida’ Husain Fikri Hidayat  Fransina Sarah Latumahina Galih Widodo Handoyo Widyanto Harwanto Harwanto Herni Retnowulan Hery Kurniawan I Dewa Putu Pramantara Ijayani Ijayani Ilyas Yusuf Imron Natsir Irma Kristanti Isjoni Isjoni Ismi Noviandira Iwandheny Sepmeitutu Jasfar Jas Jaspar Jas Jimmi Copriady Jusni Jusni Kayan Swastika Kayan Swatika Khairul Anam KOENTARI - Linda Fauziyah Ariyani Lisa Lestari Litha Verlisya Putri Bunyamin Lulu Febriany Luthfi Luthfi Maming, Jumidah Marjono Marjono Mashadi Mashadi Mega Tamara F Mei Dian Sugiarto mohamad fajar setiyawan Mohamad Na'im Muh. Ega Satrya Muhammad Husni Muhammad Ikhsan Fifaldyovan Muhammad Ilham Ekaputra Muhammad Lutfi Muhammad Nur Anggoro Muhammad Rafli Nur Alam Muhammad Sabil Muhammad Yusuf Hamra Mulyana, Edi Hendri Mundzir Mundzir Musyafa Musyafa Muzran Munizu Nadya Sukma Namirah Azizah Nazidatul Khoiro Nibrashanti Nibrashanti Nina Mardiana (F01108057) Ningrum Astriawati Ninik Anggraeini Nisa Fauziah Nisa Noor Asyiqah Sofia Novita Ayu Karisma Nugroho Susetya Putra Nur Arifah Drajati Nur, Lutfi Nuratmojo Nuratmojo Nurkhoiriah Nurkhoiriah Nurul Umamah Pamujianto, Slamet Pargito Pargito Parlindungan Pardosi Pidi Mohamad Setiadi Putri Bayina Rahma Nurdin Raden Ayu Yawmillisa Raden Mohamad Herdian Bhakti Raisah Al Atiyah Rapika Susanti Marpaung Restu Pujianti Richki Hardi Rika Hia Riza Afita Surya Riza Afita Surya Riza Umami Rofiatul Nur Jannah Rosarina Giyartini S. M. Widyastuti S. Widyaningsih Said Suhil Achmad Salman Farisi Saparto Saparto Sartika sri Rahayu Sepriance Sepriance Setyo Ramdhani Shandy Kurnia Yasinanda Sherly Mutiara Cahyani Shintya Elisva Shohib Furqon Farizi Sima Mulyadi, Sima Singgih Bektiarso Siti Hardianti Simatupang Siti Kabirun Sony Permadi Sri Amalia Sri Elvira Sri Handayani Sri Sumaryani Subianto Subianto Sugeng Murdowo Sugiyanto Sugiyanto Suharti Suharti Sulardjaka Sumarno Sumarno Sundari Ayu Oktalia Suriyani Suriyani Suyitno Suyitno Syamsuar Syamsuar Titi Maemunaty Tundjung Tripeni Handayani Ujang Rohman, Ujang Vegy Kamara Efita Wahyuni Apri Astuti Widjonarko Widya Syafitri Wulandari Wilson Wilson Y. Andi Trisyono Yolanda Putri Yuli Mulyawati Yuniati Yuniati Yunita Ika Mujianti Yunita Wulandari Yustian Servanda Ziaul Haq Zuhaimi Zuhaimi Zulpahmi Zulpahmi