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All Journal Jurnal Teknologi International Journal for Educational and Vocational Studies Jurnal Teknik Mesin Journal of Welding Technology Journal of Applied Sciences and Advanced Technology Jurnal Mekanik Terapan Jurnal Hurriah: Jurnal Evaluasi Pendidikan dan Penelitian Malikussaleh Journal of Mechanical Science Technology Chemical Engineering Journal Storage (CEJS) Jurnal Teknologi Kimia Unimal Electronic Journal of Education, Social Economics and Technology International Journal of Trends in Mathematics Education Research (IJTMER) Jurnal Malikussaleh Mengabdi Jurnal Polimesin
Muhammad Nuzan Rizki
Program Studi Teknik Mesin, Fakultas Teknik, Universitas Malikussaleh, Bukit Indah, Lhokseumawe, 24352, Indonesia
Religion Arts Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Nursing Public Health Social Sciences Veterinary Other

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Pengembangan Alat Pengering Pisang Sale untuk Meningkatkan Kualitas Produksi dan Pemberdayaan Ekonomi Masyarakat Kampung Baroh, Langsa Fadhilla, Cut Alna; Isra, Muhammad; Harmin, Amalia; Gunawan, Chichi Rizka; Bravikawati, Marini; Rizki, Muhammad Nuzan; Kamar, Iqbal
Jurnal Malikussaleh Mengabdi Vol. 3 No. 2 (2024): Jurnal Malikussaleh Mengabdi, Oktober 2024
Publisher : LPPM Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/jmm.v3i2.20412

Abstract

Pengeringan pisang sale merupakan langkah krusial dalam proses produksi pisang sale, sebuah produk olahan tradisional yang menjadi sumber mata pencaharian utama bagi masyarakat Kampung Baroh, Langsa. Namun, metode pengeringan tradisional yang selama ini digunakan sering kali tidak efisien, memakan waktu lama, dan kurang memenuhi standar kebersihan. Oleh karena itu, pengabdian ini bertujuan untuk mengembangkan alat pengering pisang sale yang sederhana, efisien, dan mudah digunakan oleh masyarakat setempat, dengan harapan dapat meningkatkan kualitas produksi serta memberdayakan ekonomi lokal. Proses pengembangan alat pengering ini melibatkan partisipasi aktif dari masyarakat Kampung Baroh. Tim pengabdian bekerja sama dengan warga untuk merancang, menguji, dan memperbaiki prototipe alat pengering yang sesuai dengan kondisi lingkungan dan budaya setempat, serta memenuhi standar keamanan pangan dan sanitasi. Hasil dari pengabdian ini menunjukkan bahwa penggunaan alat pengering yang dikembangkan mampu menghasilkan pisang sale dengan kualitas yang lebih baik, baik dari segi tekstur, rasa, maupun kebersihan. Selain itu, alat ini juga mempercepat proses pengeringan yang sebelumnya memakan waktu berhari-hari menjadi hanya sekitar 10 jam. Dampak positif dari keberadaan alat ini adalah peningkatan produktivitas masyarakat Kampung Baroh, yang kini dapat memasok pisang sale ke pasar lokal dan regional dengan lebih cepat dan efisien.
Sosialisasi Penyelesaian Soal Pada Aplikasi Quizzy Dengan Menggunakan Chromebook Untuk Meningkatkan Minat Belajar Siswa Kelas Vi SD Negeri 03 Lapang Faisal, Faisal; Rizki, Muhammad Nuzan; Kamar, Iqbal; Bahri, Syamsul; Fibarzi, Wiza Ulfa; Ulfa, Raudhatul
Jurnal Malikussaleh Mengabdi Vol. 3 No. 2 (2024): Jurnal Malikussaleh Mengabdi, Oktober 2024
Publisher : LPPM Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/jmm.v3i2.19646

Abstract

Motivasi untuk belajar di pihak siswa dianggap sebagai salah satu faktor kritis dalam menentukan keberhasilan proses pengajarannya. Penelitian ini, di sisi lain, bertujuan untuk menilai bagaimana penggunaan aplikasi Quizzy dengan bantuan perangkat Chromebook telah mempengaruhi minat belajar siswa kelas VI di SD Negeri 03 Lapang. Pelaksanaan pengabdaian dilakukan dengan survey lokasi, pengumpulan data,  pretest dan posttest kepada siswa. Pengabdian dilakukan selama 1 hari. Sosialisasi berisi materi mengenai pengenalan, pemafaatan, dan penerapan Cromebook.  Hasil pengabdian menunjukkan adanya peningkatan terkait motivasi dan minat belajar untuk mayoritas siswa setelah penerapan aplikasi quizzy dengan bantuan  cromebook.
Pengamatan Cacat Material Aluminium 6061 Proses Pemotongan Laser Menggunakan ESP32CAM Nanda, Rizki Aulia; Karyadi, Karyadi; Tukino, Tukino; Suhara, Ade; Rizki, Muhammad Nuzan; Ramadhan, Muhammad Faiz; Akmal, Khafid Khaulsar
Jurnal Teknik Mesin Vol 17 No 2 (2024): Jurnal Teknik Mesin
Publisher : Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jtm.17.2.1609

Abstract

Using high-pressure and high-temperature laser light emission techniques, laser cutting works to cut materials in such a way that components at the laser cutting point produce cutting results. However, the current problem is that laser cutting often produces material defects including protruding parts, burnt surfaces, and pores on the laser-cut parts. Given this problem, the purpose of this study is to develop a camera capable of identifying material defects caused by laser cutting . The research method is the preparation of 6061 aluminum material, the preparation of the ESP32CAM camera, and the preparation of laser cutting parameter settings. In order to run the ESP32CAM program, C and OpenCV programming languages ​​are needed to identify items with material defects, color images, histograms, and FPS are needed. The results of the study showed that detecting defects at the highest FPS reading of 15.57 and a histogram value of 250 at the x coordinate and 950000 at the y coordinate. Eight defects in the material were found using Open CV detection on the ESP32CAM camera sample 3. From this technique it can be concluded that ESP32CAM is capable of identifying material defects caused by laser cutting.
Analysis of the influence of temperature and hold time in the solid carburization process on the hardness and microstructure of AISI 1020 and 1045 using Oil Cooling Safriwardy, Ferri; Rizki, Muhammad Nuzan; Masrullita, M; Daniel, Muhammad
International Journal for Educational and Vocational Studies Vol. 5 No. 1 (2023)
Publisher : Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/ijevs.v5i1.12486

Abstract

This study aims to determine the effect of variations in temperature and holding time on the value of hardness and microstructure in the carburizing process of low-carbon steel and medium-carbon steel. The temperature variations used during the carburizing process were 850oC and 950oC with variations of the holding time used being 15 minutes and 30 minutes. The types of materials used are AISI 1020 steel and AISI 1045 steel. In the carburizing process, the carbon source used is wood charcoal powder. After the process of adding carbon elements, the material will be quenched in the oil medium. The tests carried out were hardness testing and microstructure observations. The hardness test used the B-scale Rockwell hardness test method. The surface etching process of the material used a nital etching solution, namely a mixture of 3% nitric acid (HNO3) and 97% ethanol. The results showed that the lowest increase in hardness occurred at 850oC with a holding time of 15 minutes, namely 82.00 HRB for AISI 1020 steel and 95.66 HRB for AISI 1045 steel. Meanwhile, the highest increase in hardness occurred at a temperature of 950oC with a holding time of 30 minutes. namely 93.00 HRB on AISI 1020 steel and 105.33 HRB on AISI 1045 steel. This shows that the higher the temperature and the longer the holding time, the higher the hardness value.
Utilization of Waste Paper as Fiber for Motorcycle Fender Manufacturing Raw Materials Aljufri, Aljufri; Riskan, Ardi; Rizki, Muhammad Nuzan; Putra, Reza; Akmal, Syarifah
Jurnal Teknologi Vol 17, No 1 (2025): Jurnal Teknologi
Publisher : Fakultas Teknik Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/jurtek.17.1.23-30

Abstract

The selection of paper as the main material for making composites in this study is driven by several considerations. HVS paper is produced by factories with the main raw material being wood. Besides, the use of HVS paper as a fiber for composites offers the potential to reduce industrial waste and reduce dependence on conventional raw materials. The purpose of this study was to determine the effect of variations in the volume fraction of HVS pulp fiber on the mechanical properties of the specimen surface and hardness test to determine the use of HVS pulp composites as raw material for making motorcycle fenders. The benefits of this research provide information for the manufacturing industry in developing innovative composite materials, offering sustainable alternatives that are environmentally friendly, increasing the use value of HVS paper processing, which has only been used as waste. From the results of the research conducted, the results obtained with the value: the hardness of the specimen with a volume fraction variation of 70% fiber has the highest average hardness value of 11.5 kg/mm2, and the variation of the volume fraction of 50% fiber has the lowest average hardness value of 8.6 kg/mm2, which has a difference of 2.9 kg/mm2 with a volume fraction variation of 70% fiber. The highest impact price value is obtained at a 70% pulp volume fraction with an average impact price of 0.0402 J/mm², while the lowest pulp composite impact price is at the volume fraction of 70% fiber. 50% pulp with an impact price of 0.0263 J/mm². The increase in hardness and impact resistance with increasing pulp volume explains that this composite can be an alternative material for application on motorcycle fenders.
Initial Crack Analysis on 175 Nm Torque Differential Helical Gear Using Finite Element Method for Structural Failure Prediction Fauzan, Fauzan; Harmin, Amalia; Isra, Muhammad; Rizqullah, Akbar; Rizki, Muhammad Nuzan
Malikussaleh Journal of Mechanical Science and Technology Vol. 9 No. 1 (2025): Malikussaleh Journal of Mechanical Science and Technology (MJMST)
Publisher : E-Journal Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/mjmst.v9i1.21607

Abstract

Differential helical gears are critical components in power transmission systems of vehicles, responsible for transmitting torque from the engine to the drive wheels. These components operate under continuous high torque loads and are susceptible to failure due to material fatigue and the presence of initial cracks. This study aims to predict the initial crack location and evaluate the potential failure of a differential helical gear subjected to a 175 Nm torque using the Finite Element Method (FEM). The gear was modeled with actual dimensions and simulated using ANSYS software under two conditions: without cracks and with an initial crack. The simulation results show that the maximum shear stress without a crack is 45.82 MPa, while with an initial crack, it increases to 66.14 MPa, exceeding the allowable shear stress of ASTM A36 material at 45.45 MPa. This significant increase in stress due to the crack indicates a high risk of structural failure. Therefore, finite element analysis proves to be an effective tool for early crack detection and stress distribution evaluation, which is essential for improving the reliability of gear design and material selection.
Feasibility Analysis and Implementation of FreeCAD Open Source Computer-Aided Design (CAD) Software as an Alternative Replacement for Inventor Student Version Software Isra, Muhammad; Zulfri, Muhammad; Fauzan, Fauzan; Harmin, Amalia; Rizqullah, Akbar; Rizki, Muhammad Nuzan
Malikussaleh Journal of Mechanical Science and Technology Vol. 9 No. 1 (2025): Malikussaleh Journal of Mechanical Science and Technology (MJMST)
Publisher : E-Journal Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/mjmst.v9i1.21740

Abstract

Industry 4.0 is supported by nine foundational pillars, including Big Data and Analytics, Autonomous Robots, Simulation, Horizontal and Vertical System Integration, the Industrial Internet of Things (IIoT), Augmented Reality, Cloud Computing, Additive Manufacturing, and Cybersecurity. This study focuses on horizontal and vertical system integration, which enables seamless information flow across departments, suppliers, and customers through smart systems and IoT devices. One important tool in supporting industrial integration is Computer Aided Design (CAD), which plays a key role in product design and the generation of blueprints that bridge design and manufacturing functions. Most widely used CAD software such as AutoCAD, SolidWorks, Inventor, and CATIA are commercial and come with high licensing costs. At Samudra University, Autodesk Inventor Student Version was previously utilized for educational purposes; however, due to its feature limitations and temporary license, an alternative was sought. In collaboration with the Mechanical Engineering Department, FreeCAD was explored as an Open Source solution. This research aims to identify a free and open-source CAD software that offers features comparable to commercial CAD tools and can be further developed without licensing constraints. The methodology involves collecting various Open Source CAD applications, establishing evaluation criteria, testing core functionalities, and selecting the most suitable application to support academic and industrial design needs.
Peningkatan Literasi Matematika melalui Media Ular Tangga Matematika di SD Negeri 10 Syamtalira Bayu Faisal, Faisal; Kamar, Iqbal; Rizki, Muhammad Nuzan; Fibarzi, Wiza Ulfa; Ulfa, Raudhatul; Bahri, Syamsul; Yani, Firda Tirta
Jurnal Malikussaleh Mengabdi Vol. 4 No. 1 (2025): Jurnal Malikussaleh Mengabdi, April 2025
Publisher : LPPM Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/jmm.v4i1.22839

Abstract

Kegiatan pengabdian masyarakat ini bertujuan untuk meningkatkan kemampuan literasi matematika siswa SD melalui pendekatan permainan edukatif “Ular Tangga Matematika” dan juga salah satu program kampus mengajar dalam meningkatkan asistensis sekolah dasar di daerah-daerah terutama literasi dan numerasi. Permainan ini dirancang untuk membantu siswa memahami konsep dasar matematika seperti operasi hitung, satuan ukuran, dan geometri dalam bentuk yang menyenangkan. Sasaran kegiatan adalah siswa kelas V SD Negeri 10 Syamtalira Bayu. Metode pelaksanaan meliputi tahap perencanaan, implementasi media ular tangga matematika, dan evaluasi. Hasil kegiatan menunjukkan bahwa media ini mampu meningkatkan minat dan pemahaman siswa terhadap pelajaran matematika. Literasi matematika siswa meningkat signifikan, ditandai dengan peningkatan hasil tes dan keterlibatan aktif dalam proses pembelajaran
Analysis of the Mechanical Properties of SMAW Welded Joints on ST 37 Plate Material after PWHT as a Case Study in Welding Engineering Education Qulfaj, Asadda; A, Aljufri; Rizki, Muhammad Nuzan; Islami, Nurul; Isra, Muhammad
JURNAL HURRIAH: Jurnal Evaluasi Pendidikan dan Penelitian Vol. 6 No. 2 (2025): Jurnal Hurriah: Journal of Educational Evaluation and Research
Publisher : Yayasan Pendidikan dan Kemanusiaan Hurriah Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56806/jh.v6i2.260

Abstract

One of the techniques in improving the mechanical properties of a welding result is the Post Weld Heat Treatment (PWHT) process. Attempts to improve these properties are the main goal of users so that the construction they build can last a long time from the influence of natural phenomena. This research aims to analyze the mechanical properties of SMAW welded joints on ST37 plate material that undergoes the PWHT process, as well as contribute as a practicum teaching material or case study in learning welding techniques in the technical education environment. In this study, welding was carried out with E7016 electrodes, and then three variations of the PWHT process were carried out, namely at temperatures of 400, 500, and 600°C with a holding time of 30, 60, and 90 minutes, respectively. The joints were tested using a penetrant test and a hardness test. The results showed that PWHT at 600°C with a holding time of 90 minutes produced the highest average hardness value compared to 400°C and 500°C with 30 and 60 minutes. This finding reinforces the understanding that temperature and holding time in the PWHT process significantly affect the hardness value of the weld. Therefore, the results of this study are not only useful in the development of manufacturing technology but also utilized as an applicable learning medium. By knowing the effect of PWHT on the mechanical properties of welded joints, welding instructors can design a more effective practicum in teaching the principles of welding.
Pelatihan Pembuatan Inhibitor Korosi dari Ekstrak Daun (Carica papaya L.) di Gampong Mekar Jaya Isra, Muhammad; Fauzan; Muhammad Syahril; Amalia Harmin; Faris Ahmad Mizanus Sabri; Rita Syntia; Muhammad Nuzan Rizki
Jurnal Malikussaleh Mengabdi Vol. 4 No. 2 (2025): Jurnal Malikussaleh Mengabdi, Oktober 2025
Publisher : LPPM Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/jmm.v4i02.24121

Abstract

Fasilitas infrastruktur serta lingkungan sekitar berpotensi mengalami kerusakan lebih cepat akibat korosi. Jika korosi tidak segera ditangani, hal ini dapat menimbulkan kerugian yang cukup besar. Salah satu metode pencegahan korosi adalah proteksi katodik dengan anoda korban. Namun, karena biaya perawatan yang tinggi, teknik ini lebih sesuai digunakan dalam skala industri. Selain metode anoda korban, penggunaan inhibitor juga dapat menjadi solusi untuk mengendalikan korosi. Inhibitor adalah zat yang mampu memperlambat laju korosi meskipun diberikan hanya dalam jumlah kecil pada konsentrasi tertentu. Untuk menekan biaya perlindungan, beberapa inhibitor alami dapat dimanfaatkan dari bahan-bahan yang tersedia di sekitar, salah satunya adalah daun pepaya yang memiliki kandungan organik berpotensi menghambat proses korosi. Tujuan umum kegiatan pengabdian ini adalah memberikan edukasi kepada masyarakat mengenai pemanfaatan ekstrak daun pepaya sebagai penghambat korosi, khususnya untuk menjawab kebutuhan kelompok tani Limpah Ruah di Gampong Mekar Jaya, yang menghadapi permasalahan besi konstruksi pertanian seperti pagar yang cepat berkarat. Adapun tujuan khususnya adalah memberikan informasi mengenai cara pembuatan ekstrak daun pepaya sebagai inhibitor. Kegiatan yang dilakukan meliputi survei, pembuatan dan pengujian larutan inhibitor, serta penyuluhan kepada kelompok tani Limpah Ruah. Proyek pengabdian masyarakat ini merupakan kegiatan perdana yang dilaksanakan di wilayah Gampong Mekar Jaya.
Co-Authors A, Aljufri Abdul Rahman Abdul Rahman Adi Setiawan Agus Supriyanto Ahmad Fikri Ahmad Nayan Akbar Rizqullah Akmal, Khafid Khaulsar Akmal, Syarifah Alchalil Alchalil Aljufri Aljufri aljufri aljufri, aljufri Amalia Harmin Asnawi Asnawi Asnawi Daniel, Muhammad Dedi Afandi Dodi Mulyadi Durmuş, Alpaslan Fadhilla, Cut Alna Faisal Faisal Faisal Faris Ahmad Mizanus Sabri Fathan Mubina Dewadi Fatima zahra sitompul zahra fatimah Fatimah Fatimah Zahra Fauzan Fauzan Ferri Safriwardy Fibarzi, Wiza Ulfa Firza Ahmad Kurniawan Gultom, Akbar Gunawan, Chichi Rizka Hadi, Dodi Alfarasi Hery Widijanto Ibrahim, Maulana Agil Indra Mawardi Iqbal Kamar Iqbal Kamar Iqbal Kamar Isra, Muhammad Kamar, Iqbal Karyadi Karyadi Karyadi Karyadi Marini Bravikawati Masrullita, M Masrullita, Masrullita Maulidan, Rahmat Maysyarah, Tjut Rizqi Muhammad Habibi Muhammad Habibi Muhammad Isra Muhammad Muhammad Muhammad Syahril Muhammad Zulfri Mutia, Sri Nanda, Rizki Aulia Nurlaila, Rizka Nurul Islami, Nurul Putra, Reza Qulfaj, Asadda Ramadhan, Muhammad Faiz Rambe, Farhan Wafi Rangkuti, Mhd. Saleh Raudhatul Ulfa Riskan, Ardi Rita Syntia Rizki Aulia Nanda Rizqullah, Akbar Shaki Saptiadi Putra Simbolon, Muhammad Iqbal Sofyan Sofyan Suhara, Ade Sumawijaya Syahiir Kamil Syamsul Bahri Tjut Rizqi Maysyarah Hadi Tukino, Tukino Ulfa, Raudhatul Yani, Firda Tirta Yasir Amani Yusuf, Edy Z Zulfahmi Zulmiardi, Zulmiardi