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All Journal Transmisi TELKOMNIKA (Telecommunication Computing Electronics and Control) Sinergi Seminar Nasional Informatika (SEMNASIF) IJFAC (Indonesian Journal of Fundamental and Applied Chemistry) JURNAL PENDIDIKAN TAMBUSAI Journal of Multidisciplinary Academic Jurnal Teknik Mesin Indonesia Kalijaga Journal of Communication International Journal of Engineering, Science and Information Technology Jurnal Hurriah: Jurnal Evaluasi Pendidikan dan Penelitian Malikussaleh Journal of Mechanical Science Technology Automotive Experiences Jurnal Kajian Konstitusi Jurnal Intelek Insan Cendikia Jurnal Polimesin
Nurul Islami, Nurul
Material Engineering Department, Universitas Malikussaleh
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KAJIAN PAVING BLOCK CAMPURAN LIMBAH PLASTIK PET TERHADAP KUAT TEKAN DENGAN STANDARD SNI 03-0691-1996 Islami, Nurul; Bahri, Syamsul; Zulnazri, Zulnazri; Muarif, Agam; Arafah, Sadinda
Malikussaleh Journal of Mechanical Science and Technology Vol. 7 No. 2 (2023): Malikussaleh Journal of Mechanical Science and Technology
Publisher : E-Journal Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/mjmst.v7i2.13657

Abstract

Currently the estimation of each person goes through 170 plastic bags every year. More than 17 billion plastic bags are distributed for free by supermarkets or markets around the world. This research aims to reduce PET plastic waste by reusing it, plastic bottles can be used as a mixture in making paving blocks. The compressive strength test was carried out based on variations in the curing of PET plastic waste paving blocks, namely when the PET plastic waste paving blocks were 28 days old. PET plastic waste paving blocks have the best compressive strength value at Pb 5 of 8.8 MPa and meet SNI 03-0691-1996 which is classified into quality D
Pengaruh Fraksi Volume Serat Terhadap Kekuatan Tarik Komposit Serat Daun Nanas dan Sabut Kelapa dengan Polyester Bening 108 Muhammad, M; Putra, Reza; Hafli, T; Islami, Nurul; Malik, Abdul
Malikussaleh Journal of Mechanical Science and Technology Vol 7, No 1 (2023): Malikussaleh Journal of Mechanical Science and Technology
Publisher : Malikussaleh University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/mjmst.v7i1.12490

Abstract

The goal of this study is to determine the effect of the matrix-to-filler ratio on the characteristic value of composites made from pineapple leaf fiber and coco fiber using clear polyester resin 108 as a matrix. The composite printing process involves combining 70% resin and 5% pineapple fiber: 15% pineapple fiber, 25% coconut fiber: 15% coconut fiber, 25% pineapple fiber, and 5% coconut fiber with 1% catalyst. The Hand-Lay Up method is used to create composites. Tensile strength testing mechanical properties are based on standards (ASTM D-3039). The tensile strength of 25% pineapple leaf fiber is the highest in this percentage variation: 5% coconut fiber with an average value of 44.88 MPa, 3.37% tensile strain, while pineapple leaf fiber 5% has the lowest tensile strength value: 25% coconut fiber with a 25.26 MPa average and a 2.54% tensile strain. According to the findings, the composite of 25% pineapple leaf fiber: 5% coconut fiber immersed in NaOH is suitable for use as an alternative tensile material.
Pengaruh Fraksi Volume Serat Terhadap Peningkatan Kekuatan Impak dan Kekuatan Tarik Komposit Berpenguat Serat Daun Nanas (Ananas Cosmosus) Zahrani, Amilia; Sayuti, Muhammad; Zulnazri, Zulnazri; Putra, Reza; Islami, Nurul
Malikussaleh Journal of Mechanical Science and Technology Vol. 8 No. 1 (2024): Malikussaleh Journal of Mechanical Science and Technology
Publisher : E-Journal Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/mjmst.v8i1.14659

Abstract

A composite is a technical material that is made by combining two or more materials that have different properties to become a new material with different properties. Natural fibers used as composite reinforcement are more environmentally friendly and biodegradable. The use of natural fibers as composite reinforcement in recent years has experienced very rapid development. One of them is pineapple leaf fiber. The aim of this research is to determine the effect of fiber volume fraction and NaOH immersion on the mechanical properties (Tensile Strength and Impact Strength) of composites reinforced with pineapple leaf fibers with an epoxy matrix. In this research, woven composites were made with variations in volume fraction and NaOH immersion time for the fibers, then tensile tests according to ASTM D-3039 standards and impact tests according to ASTM D256 standards. Based on test results with varying fiber volume fractions of 15%, 20%, and 25%, the strength results increase and decrease. The tensile strength of the composite tends to increase with increasing fiber volume fraction and NaOH immersion. However, the longer the soaking time, namely 4 hours, the tensile strength of the composite tends to decrease. The most optimal average value of tensile strength is at a fiber volume fraction of 25% with fiber soaking for 2 hours with a value of 23.07 MPa and the lowest average value of tensile strength is at a fiber volume fraction of 15% with fiber soaking for 4 hours with value 11.31 MPa. Meanwhile, the highest average impact value was owned by a composite with a fiber volume fraction of 20% without soaking, namely 0.0589 j/mm2 and the lowest impact value was with a fiber volume fraction of 20% with fiber soaking for 4 hours, namely 0.0124 j/mm2.
Analysis of Temperature Variations, Types of Insulation and Coating on Corrosion Under Insulation on ASTM A53 Pipes Putra, Reza; Muhammad, Muhammad; Hafli, T; Islami, Nurul; Apandi S, Arpan
International Journal of Engineering, Science and Information Technology Vol 2, No 1 (2022)
Publisher : Department of Information Technology, Universitas Malikussaleh, Aceh Utara, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (951.974 KB) | DOI: 10.52088/ijesty.v2i1.220

Abstract

Corrosion Under Insulation (CUI) can be described as localized corrosion that forms as a result of the penetration of water or moisture through an insulating material. The pipe material used is of the ASTM A53 standard and the fluid used in seawater because almost all industries are located on the coast. This type of coating is carried out on the test pipe using Meiji Epoxy Filler. The test method is carried out by flowing seawater fluid in pipes with water temperature variations of 30°C, 50°C, and 70°C. This pipe varies the type of insulation by using glasswool and Rockwool (ASTM G 189-07). This insulation is conditioned in a wet state by giving 2 ml of seawater drops with a pH value of 4 per 6 hours. The test equipment is divided into 3 series according to temperature variations with 4 test specimens and 2 coating variations respectively. The test time was carried out for 336 hours to obtain the corrosion rate results using the ASTM G31-72 weight loss method. The results showed that the type of Glasswool insulation with specimens coated had the lowest corrosion rate value of 0.00483 mmpy at a temperature of 30°C when compared to the same type of treatment on Rockwool insulation of 0.00724 mmpy or an increase of 2.41 times. This study shows that the type of insulation, temperature variation, and coating greatly affect the rate of corrosion and the type of corrosion that occurs is uniform corrosion.
Fabrication of Dye Sensitized Solar Cell Using Cassava Leaf Extract and Red Dragon Fruit Purnomo, Teguh; Nayan, Ahmad; Sayuthi, Muhammad; Islami, Nurul; Rahman, Abdul
TRANSMISI Vol 19, No 2 (2023): September 2023
Publisher : Universitas Merdeka Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26905/jtmt.v19i2.10262

Abstract

This research aims to identify the absorbance and consistency of the efficiency of DSSC (Dye-Sensitized Solar Cells). The study was conducted with variations of chlorophyll-anthocyanin mixture using different volumes of dye solutions: 10 ml of a cassava leaf and 20 ml of red dragon fruit, 20 ml of a cassava leaf and 10 ml of red dragon fruit, and 10 ml of a cassava leaf and 10 ml of red dragon fruit. The Dye-Sensitized Solar Cell system consists of natural dye as the colorant, electrolyte solution, two FTO glass substrates with dimensions of 2.5 cm x 2.5 cm, which function as working electrodes coated with titanium dioxide as the semiconductor using the doctor blade method, and counter electrode coated with carbon. All components of the Dye-Sensitized Solar Cell are arranged in a sandwich-like structure, with the counter electrode facing the working electrode and clamped together using paper clips. The highest absorbance value was obtained with the variation of 20 ml red dragon fruit and 10 ml cassava leaf compared to other mixtures. The highest efficiency and power of the Dye-Sensitized Solar Cell were also obtained with 20 ml of red dragon fruit and 10 ml of cassava leaf
Analisis Uji Tarik dan Bending Komposit Hybrid Serat Nanas dan Glasswool Dengan Matriks Polyester Hidayat, Rizki; Muhammad, Muhammad; Islami, Nurul; Putra, Reza; Rahman, Abdul
Malikussaleh Journal of Mechanical Science and Technology Vol. 8 No. 2 (2024): Malikussaleh Journal of Mechanical Science and Technology
Publisher : E-Journal Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/mjmst.v8i2.17436

Abstract

Salah satu serat yang dapat dimaanfaatkan sebagai bahan pengisi pada produk komposit yaitu serat nanas dan glasswool yang sangat mudah didapatkan serta ramah lingkugan. Tujuan penelitian ini adalah untuk menganalisis kekuatan tarik dan bending yang teringgi pada setiap variasinya. Spesimen uji dibuat menggunakan metode hand lay up dengan pengujian tarik menggunakan ASTM D638-02 dan bending ASTM D90. Hasil pengujian kekuatan tarik yang paling optimal terdapat pada fraksi volume (SN 40% : GW 20% ) dengan nilai rata-rata sebesar  = 37,11 MPa untuk kekuatan luluh sebesar 29,87 MPa dan regangan tarik sebesar  6,49 % pada variasi (SN 30% : 30% GW) nilai rata-rata sebesar  = 24,48 MPa untuk kekuatan luluh sebesar 18,38 MPa dan regangan sebesar  6,74%, variasi (SN 10% : GW 50%) rata-rata kekuatan tarik sebesar  =17,05 MPa dengan kekuatan luluh sebesar 13,89 MPa dan regangan meningkat sebesar  829%. Hasil pengujian bending tertinggi terdapat pada variasi (SN 40% : GW 20%) dengan rata-rata kekuatan bending sebesar 115,79 MPa untuk kekuatan luluh didapatkan sebesar 5,23 MPa untuk variasi (SN 30% :GW 30%) didapatkan kekuatan bending sebesar 90,19 MPa dengan kekuatan luluh 5,23 MPa dan variasi (SN 10% : 50% GW ) didapatkan kekuatan bending sebesar 68,13 MPa dengan kekuatan luluh 3,11 MPa. Pencampuran yang terbaik terjadi pada spesimen dengan komposisi 40% serat nanas dan 20% glasswool. Jenis patahan yang terjadi berupa getas.
Effect of Hydroxy Gas Enrichment and Higher Biodiesel Concentration on Diesel Engine Performance Asnawi, Asnawi; Muhammad, Muhammad; Putra, Reza; Islami, Nurul
Automotive Experiences Vol 8 No 1 (2025)
Publisher : Automotive Laboratory of Universitas Muhammadiyah Magelang in collaboration with Association of Indonesian Vocational Educators (AIVE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/ae.12903

Abstract

The hydroxy gas enrichment as an additive of biodiesel fuel for internal combustion engines affected the combustion characteristics. Hydroxy gas can be produced through water electrolysis to produce hydrogen and oxygen, significantly enhancing the combustion rate. This combined effect increased efficiency, reduced pollution, and improved air quality. This study aims to determine the impact of hydroxy enrichment generated from water electrolysis on engine performance with biodiesel-diesel fuel blends. The experimental work was conducted under diverse operating conditions and tested on a 418 cc single-cylinder engine. Experiments have been performed at a constant hydroxy gas flow rate of 500 mL/min and a constant speed of 2000 rpm under various torques. The result shows that B30 and B40 without hydroxy gas decreased diesel engine performance across various engine torque. The addition of hydroxy has been observed to positively impact the combustion reaction and increase the energy conversion efficiency of diesel engines. Compared to pure diesel fuel, the efficiency of B30 and B40 decreased by 9.26% and 11.59%, respectively. The enrichment of hydroxy gas increases the engine efficiency by an average increase of all torque to 7.95% for B30H (B30 with hydroxy) and 8.68% for B40H (B40 with hydroxy). Therefore, compared to pure diesel fuel, the efficiency slightly decreases by an average of 1.31% for B30H and 2.91% for B40H at all tested torques. This phenomenon indicates that the presence of hydroxy gas in a diesel engine increases the stability of the combustion process, which results in higher cylinder pressure with lower energy input.
Leveraging Social Media for Da’wah and Waqf: Al-Bahjah’s MIZKA Program in Enhancing Community Engagement and Pesantren Development Syaefudin, Mochamad; Bakti, Andi Faisal; Islami, Nurul
Kalijaga Journal of Communication Vol. 7 No. 1 (2025)
Publisher : Communication and Islamic Broadcasting Study Program, Faculty of Da'wah and Communication, Universitas Islam Negeri Sunan Kalijaga Yogyakarta, Yogyakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/kjc.71.06.2025

Abstract

Al-Bahjah Islamic Boarding School in Cirebon has intensified promotional efforts to boost community participation in charitable giving, including donations and almsgiving, to support its land endowment (waqf) program and pesantren development through the MIZKA initiative, increasingly utilizing social media as a primary medium. This shift reflects a transition from conventional to digital da’wah models. This study examines the mechanisms of this transition, employing a qualitative approach informed by Anthony Giddens’ structuration theory to analyze interactions between social media and da’wah activities. Findings reveal that pesantren administrators, recognizing technological advancements, leverage social media to sustain da’wah’s core identity. They disseminate Qur’anic verses, hadith, and scholarly opinions to foster followers’ awareness and encourage contributions. The effectiveness of this approach is maintained through transparent social media posts showcasing construction progress and funds raised, establishing a new model of accountability. This indicates that tech-savvy preachers reconstruct social media not only as a tool for outreach but also as a platform for managerial transparency and responsibility.
Politik Hukum Desentralisasi Aceh: Kritik atas Peran Instrumen Perencanaan dalam Reharmonisasi Nilai Islam di Daerah Rifan, Mohamad; Basyar, Sayyidatun Nashuha; Islami, Nurul
Jurnal Kajian Konstitusi Vol. 5 No. 1 (2025): JURNAL KAJIAN KONSTITUSI
Publisher : Department of Constitutional Law, Faculty of Law, University of Jember, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/j.kk.v5i1.53700

Abstract

Politik Hukum Desentralisasi Aceh tidak lepas dari “Historical View” atas hubungan antara Pusat-Daerah dan dinamika politik untuk mencapai titik tengah "Konsolidasi Demokrasi", yang bermuara pada sensitif politik yang belum tuntas penyelesaiannya. Tulisan ini merupakan sebuah catatan atas konsekuensi dari karakteristik perencanaan (het plan/plannen) di Provinsi Aceh dalam kacamata desentralisasi. Melalui metode penelitian yuridis normatif, terdapat beberapa poin yang dapat disimpulkan, Pertama, dalam sistem desentralisasi di Indonesia mengenalkan Sistem Perencanaan Pembangunan Nasional sebagaimana diatur dalam Undang-Undang Nomor 25 Tahun 2004, dimana  pendekatan dalam menyusun perencanaan tidak memungkinkan adanya bentuk “diskoneksi” melalui jalur “pengkhususan.” Kedua, Desentralisasi membuka daerah untuk menetapkan “nilai” khusus sebagaimana Aceh menerapkan syariat Islam sebagai hukum yang hidup dalam masyarakat Aceh sepanjang sejarah mereka. Ketiga, berdasarkan pada kondisi tersebut, maka Rencana Pembangunan Jangka Panjang Provinsi yang diatur dalam Qanun Aceh Nomor 9 Tahun 2012 tentang Rencana Pembangunan Jangka Panjang Aceh Tahun 2012-2032 mengalami “diskoneksi” dan butuh upaya reharmonisasi sebagaimana tercantum dalam Qanun Aceh tentang Rencana Pembangunan Jangka Panjang Aceh Tahun 2025-2045. Kata Kunci: Aceh; Desentralisasi; Perencanaan; Plannen/Het-Plan. The Legal Politics of Decentralization in Aceh is inseparable from the historical view of the relationship between the central and regional governments, as well as the political dynamics aimed at reaching a middle ground of democratic consolidation, which ultimately centers around unresolved political sensitivities. This paper serves as a note on the consequences of the characteristics of planning (het plan/plannen) in Aceh Province from the perspective of decentralization. Using a normative juridical research method, several conclusions can be drawn.First, Indonesia’s decentralization system introduces the National Development Planning System (SPPN) as regulated in Law Number 25 of 2004, where the planning approach does not allow for a “disconnection” through “specialization.”Second, decentralization allows regions to adopt specific “values,” as in the case of Aceh, which implements Islamic law as a living legal system within its society throughout its history.Third, based on these conditions, the Long-Term Development Plan (RPJP) of the province, as regulated in Qanun Aceh Number 9 of 2012 concerning the 2012–2032 Aceh Long-Term Development Plan, experiences a “disconnection” and requires reharmonization efforts as reflected in the Qanun Aceh on the Aceh Long-Term Development Plan for 2025–2045. Keywords: Aceh; Decentralization; Planning; Plannen/Het-Plan.
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.
Co-Authors A, Aljufri Abbas Abbas Abdul Rahman Abdul Rahman Aby, Muhammad Adi Setiawan Agam Muarif Ahmad Kamal Arifin Ahmad Nayan Alchalil Alchalil Ali Nur Muhammad Zaidin Balatif Andi Faisal Bakti & Venny Eka Meidasari Andika Syahputra Apandi S, Arpan Arafah, Sadinda Arnawan Hasibuan Asnawi Asnawi Asnawi Asnawi, A Azi Maulana Ikbal Azis, Andy Baihaqi Baihaqi Basyar, Sayyidatun Nashuha Binawati Ginting Branco, Margareta Virnia Dailami, D Daniel Happy Putra Dedi Afandi Diki Dian Andika EKA SAFITRI Eka Safitri Fadhil Risky Ramadhana Faizar Abdurrahman Faizar Abdurrahman Faizar Abdurrahman Faizar Abdurrahman Fitri Zulfidar Fitria, Ananda Hafiz, Ridho Hafli, T Hasni, Dwi Meutia Hendra Syahputra Hidayat, Rizki Ihsanul Fikri Hutabarat Irmawati Irmawati Irwansyah Situmorang Julinawati Julinawati Khairi Suhud KHAIRI SUHUD Khairul Munadi Khairunnisa, Resa M Ihsan M Irsyad K M Muhammad M Munawar M Sayuti M. H. Rais Mendrofa, Intan Nuraini Muhammad Muhammad Muhammad Gazza Muhammad Ihsan Muhammad Ihsan Muhammad Ilham Muhammad Isra Muhammad Muhammad Muhammad Muhammad Muhammad Muhammad Muhammad Nugraha P Muhammad Nuzan Rizki Muhammad Sadli, Muhammad Muhammad Sayuthi Muhammad, M Muhammad, Muhammad Mukhlisuddin Ilyas Murdani Murdani, Murdani Muzamir Isa Nasruddin Nasruddin Nur Azura Lubis P. A. Pane Panggabean, Septina Hafy Safitri Putra, Reza Qulfaj, Asadda Razali Amna Reza Putra Rianda, Faizar Rifan, Mohamad Rizki Aulia Nanda Rohana Ismail Rossiana Br Ginting Safrizal Safrizal Safrizal, S Sagir Alva Sayuti, Muhammad St Risnawati Basri Suryadi Suryadi Syaefudin, Mochamad Syafrizal Fonna Syamsul Bahri T Hafli T Hafli Teguh Purnomo, Teguh Teuku Hafli Teuku Mudi Hafli Wahyu Fuadi Wahyuni, Rita Willy Ivan Lucky Yasir Amani Yusuf, Jafaruddin Zahrani, Amilia Zahrila Ismail Zulfahmi Zulfahmi Zulnazri, Z