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All Journal Rekayasa Mesin JST ( Jurnal Sains Terapan ) Indonesian Journal of Chemistry SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Indonesian Physical Review Specta Journal of Technology Industrika : Jurnal Ilmiah Teknik Industri PIKAT ILTEK : Jurnal Teknologi AMMA : Jurnal Pengabdian Masyarakat Indonesian Journal of Maritime Technology or abbreviated (ISMATECH)
Idhil Ismail, Andi
Institut Teknologi Kalimantan
Agriculture, Biological Sciences & Forestry Humanities Chemical Engineering, Chemistry & Bioengineering Chemistry 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 Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Nursing Physics Public Health Social Sciences Transportation Other

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Analysis of Shielded Metal Arc Welding (SMAW) with Current Variations Against Tensile Strength, Bending Strength, and Microstructure of API 5L X52 Matin, Qowi; Haliq, Ridhwan; idhil ismail, andi; Jamil, Muchammad
Indonesian Journal of Maritime Technology Vol. 2 No. 1 (2024): Volume 2 Issue 1, June 2024
Publisher : Naval Architecture Department, Kalimantan Institut of Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35718/ismatech.v2i1.1055

Abstract

This study aims to analyze the effect of current variations on the V seam with a seam angle of 37.5° on the testing of mechanical properties and the appropriate welding method as a connector for two API 5L X52 materials using the Shielded Metal Arc Welding (SMAW) welding method. The current variation used is (70, 100, 115 A) in Sample A, the current variation is (70, 120, 130 A) in Sample B, and the current variation is (70, 125, 130 A) in Sample C. After the welding process is carried out, the samples are then tested for tensile, bending, observing macro structures, and microstructures. The test results obtained the highest value of tensile testing on current variations (70, 125, 130 A) with a value of 715.4 MPa, while the lowest value on current variations (70, 100, 115 A) with a value of 596.66 MPa. The results of the bending test show that the highest value is obtained in the current variation (70, 125, 130 A) with a value of 1417.93 MPa, while the lowest value is obtained in the current variation (70, 100, 115 A) with a value of 1289.01 MPa. The results of metallographic testing showed that the microstructure data on variations in the welding current strength of (70, 100, 115 A), (70, 120, 130 A), and (70, 125, 130 A) resulted in a phase that composed of ferrite and pearlite. The microstructure formed is influenced by the magnitude of the welding current used. The results of macro observations obtained porosity in the weld metal area.
ANALISIS JARAK GRID HARDFACING TERHADAP NILAI KEKUATAN BENDING PADA MATERIAL ASTM A36: Hardfacing Awali, Jatmoko; Dewanto, Hizkia Alpha; Ismail , Andi Idhil
Jurnal Rekayasa Mesin Vol. 16 No. 1 (2025)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v16i1.1869

Abstract

Welding is the joining of metals in liquid form using heat energy in making products in the process of joining materials such as in the automotive sector. The development of welding has reached the additive manufacturing process, one of which is hardfacing, namely the thickening of a component that already exists in the industrial sector. In the automotive sector, many people use ASTM A36 or mild steel, namely carbon steel, for standard specifications for structural applications. Hardfacing is a process with an angle welding approach and the resulting structure has a direct relationship with the welding parameters and material characteristics during welding. Adding corner welding grids to increase the strength value of special mechanical properties such as car bodies. This research aims to determine the effect of the shape of the welding grid on the mechanical properties of GMAW welding using ER70S-6 electrodes and a welding current of 80 Ampere with variations in the weld metal spacing, namely 5 mm, 10 mm, 15 mm, and with ASTM A 36 material with a thickness of 2 mm. GMAW welding uses constant current by varying the hardfacing grid. From the research results it is known that the largest stiffness value is found at a variation of the weld metal distance of 10 mm with an average value of 1737.5 N. In the microstructure the phase formed is ferrite (F) and along the grain boundaries pearlite (P) is formed.
Lulusan Institut Teknologi Kalimantan Sebelum dan Sesudah Pandemi Covid-19 Diana Nurlaily; Ridhwan Haliq; Chaerul Qalbi A.M; Andi Idhil Ismail; Gad Gunawan; Devy Setiorini Sa’adiyah
AMMA : Jurnal Pengabdian Masyarakat Vol. 2 No. 4 (2023): AMMA : Jurnal Pengabdian Masyarakat
Publisher : CV. Multi Kreasi Media

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Abstract

Every year, a program called a "tracer study" is run to collect and analyze data from graduates (a year after graduation). Seeks to guarantee that graduates have good work and submit it on time following university or institute criteria after graduation. Within 1-2 months of filling it out, a data analyst processes the data and validates its accuracy. Data for 10 study programs were collected, and comparisons were made between the graduation years of 2019 and 2020. In 2020, the Covid-19 pandemic started. The Institut Teknologi kalimantan (ITK) was significantly impacted by Covid-19, which led to all work being done online on campus. Evaluation criteria for ITK include the length of time it takes graduates to find employment, their GPA, the nature of their alumni employment, and their reasons for not finding employment one year after graduation. In order to be able to create more qualified alumni, the rate ranking approach will help examine the success of the study program and provide an evaluation of the study program. This paper's two lowest-ranking disciplines are electrical engineering, materials engineering, and metallurgy..
Penyuluhan Penyakit Tidak Menular (PTM) Untuk Menumbuhkan Kesadaran Pencegahan Pada Masyarakat Menggunakan Aplikasi GEMPITA Di Wilayah Karang Jati, Balikpapan Ridhwan Haliq; Andi Idhil Ismail; Muchammad Jamil; Alfian Djafar; Kholiq Deliasgarin Radyantho; Faisal Manta
AMMA : Jurnal Pengabdian Masyarakat Vol. 3 No. 11 : Desember (2024): AMMA : Jurnal Pengabdian Masyarakat
Publisher : CV. Multi Kreasi Media

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Noncommunicable diseases (NCDs) are common in Indonesia; this is also true in Karang Jati, Balikpapan, and East Borneo. Despite this, the villagers have little knowledge about prevention, despite being aware of the grave consequences that diseases can have on their well-being and social standing. This exercise aims to raise villagers' understanding of the need to prevent non-communicable diseases. Using NCD screening with information distribution, this activity has encouraged the villagers to become more aware of the condition and motivated them to take preventative action. Most of the villagers are at high risk of noncommunicable diseases (NCDs), specifically hypertension, according to the screening results. These data have effectively supported the villagers in establishing NCD screening and management in their neighborhood through Pos Pembinaan Terpadu (Posbindu) PTM, a community-based NCD prevention and management activity.
CHARACTERIZATION OF GREEN-SYNTHESIZED COBALT OXIDE NANOPARTICLES USING Nigella sativa SEED EXTRACT Hizkia Alpha Dewanto; Sarah Toding; Irfan Riadin; Jatmoko Awali; Andi Idhil Ismail; Fredy Kurniawan; Yosua Anjupaian Situmeang; Yunita Triana
Indonesian Physical Review Vol. 9 No. 2 (2026)
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/ipr.v9i2.630

Abstract

Cobalt oxide nanoparticles (CoO NPs) were synthesized via green synthesis using Nigella sativa seed extract as a natural reducing and stabilizing agent. This approach enables environmentally friendly production of ultrafine nanoparticles while incorporating bioactive plant compounds. The CoO NPs were characterized using XRD, XRF, UV–Vis, FTIR, and TEM. XRD confirmed CoO formation with diffraction peaks at 2θ = 31.247°, 36.712°, 42.5°, 44.771°, 59.359°, 61.536°, 65.227°, 74.31°, and 76.111°, which are indexed to the (100), (111), (200), (102), (110), (103), (220), (311), and (222) planes of face-centered cubic (fcc) CoO. XRF showed cobalt as the main element (71.36 wt%) with minor P, S, K, Ca, Fe, Zn, Cu, Mn, and Ti. UV–Vis exhibited peaks at 320 nm and 344 nm, TEM revealed nearly spherical particles (1.72 nm with a standard deviation of 0.55 nm), and FTIR confirmed Co–O bonds (700–663 cm⁻¹) along with organic functional groups from the extract. The formation mechanism involves phytochemical-mediated bioreduction, surface stabilization, and producing well-dispersed CoO NPs. Overall, all characterization techniques consistently confirm the successful formation of highly crystalline, pure, and well-dispersed CoO nanoparticles with nanoscale dimensions. The combined results demonstrate that Nigella sativa extract effectively acts as both reducing and stabilizing agent, leading to stable CoO NPs suitable for potential applications in catalytic and functional material systems.
Penggunaan teknologi komposter pada pengolahan sampah di pemukiman padat prona tiga Kota Balikpapan Faisal Manta; I Made Ivan Wiyarta Cakra Sujana; Yongki Christandi Batubara; Rijal Surya Rahmany; Ridhwan Haliq; Martina Puspita Sari; Kholiq Deliasgarin Radyantho; Gad Gunawan; Alfian Djafar; Devy Setiorini Sa’adiyah; Diniar Mungil Kurniawati; Chaerul Qalbi AM; Azhar Syafiq Putra; Andi Idhil Ismail; Ariel Muda Simanungkalit; Julianto Hadi; Muhammad Haedir Ali Ahmad; Suci Nur Kholifah; Muhammad Kamil; Rosita Hanna Sri Yuliani B.P; Valentino Rifai Oroh; Sukma Maharany
SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Vol 10, No 3 (2026): June
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jpmb.v10i3.39579

Abstract

Abstrak      Pengelolaan sampah organik di Bank Sampah Wonorejo Prona 3 Balikpapan menghadapi kendala dalam efisiensi dan nilai tambah. Kegiatan pengabdian masyarakat ini bertujuan untuk memperkenalkan teknologi komposting guna mempercepat proses penguraian sampah organik dan meningkatkan nilai ekonominya. Metode yang digunakan meliputi penyuluhan, pelatihan, demonstrasi alat komposter sederhana, serta pendampingan langsung dalam pembuatan kompos. Pada akhir kegiatan menunjukkan peningkatan pemahaman pengelola dan masyarakat mengenai teknik pengomposan yang efektif dengan penggunaan digester aerobik, teknik penyusunan berlapis dan penghalusan.  Dampak yang diperoleh adalah masyarakat mampu pengolahan sampah organik dengan waktu lebih singkat, mengurangi bau yang tidak sedap selama proses komposting, memproduksi pupuk padat dan cair bernilai ekonomi. Kegiatan berpotensi  pengembangan skala produksi dan kolaborasi dengan pemangku kepentingan dalam keberlanjutan program. Kata kunci: aerobik; bank sampah; komposting; kota balikpapan; sampah organik. Abstract      The management of organic waste at the Wonorejo Prona 3 Waste Bank in Balikpapan faces challenges related to efficiency and value addition. This community service activity aimed to introduce composting technology to accelerate the decomposition process of organic waste and enhance its economic value. The methods employed included counseling, training, demonstration of simple composter devices, and direct assistance in compost production. The results indicated an improvement in the understanding of waste bank managers and the local community regarding effective composting techniques using aerobic digesters, layered arrangement methods, and size reduction. The outcomes achieved include the community’s ability to process organic waste in a shorter time, reduced unpleasant odors during the composting process, and the production of economically valuable solid and liquid fertilizers. This activity holds potential for scaling up production and fostering collaboration with stakeholders to ensure the sustainability of the program. Keywords: aerobic; garbage bank community; composting; balikpapan city; biodegradable waste.
DIGITAL OPERATION AND MAINTENANCE MANUAL FOR SMALL EXCAVATORS: A CASE STUDY OF KOMATSU PC135F-10M0 AT PT ABC, NORTH SUMATRA Dedi Hamdani; Gembong Baskoro; Andi Idhil Ismail
ILTEK : Jurnal Teknologi Vol. 21 No. 01 (2026): ILTEK : Jurnal Teknologi
Publisher : Fakultas Teknik Universitas Islam Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47398/iltek.v21i01.470

Abstract

Penelitian ini mengkaji penerapan Digital Operation and Maintenance Manual (DOMM) pada excavator Komatsu PC135F-10M0 yang dioperasikan PT ABC di Sumatera Utara. Pengguna alat berat sering mengalami kesulitan perawatan karena tidak tersedianya manual di lapangan, tingginya turnover operator, serta jarak yang jauh dari teknisi dealer. Dengan kerangka DMAIC, dikombinasikan dengan Failure Mode and Effect Analysis (FMEA), diagram Pareto, dan Training Needs Assessment (TNA), penelitian ini mengidentifikasi masalah utama perawatan dan menawarkan solusi berbasis smartphone yang terintegrasi dengan WhatsApp Business. Data diperoleh dari 38 pertanyaan pelanggan, validasi ahli, serta survei operator dengan hasil kelayakan di atas 92% dan penerimaan pengguna 87%. Hasil penelitian menunjukkan DOMM mampu mengurangi downtime, mempercepat troubleshooting, dan meningkatkan kemandirian operator di area terpencil. Kesimpulannya, digitalisasi manual tidak hanya meningkatkan efisiensi operasional dan kepuasan pelanggan, tetapi juga mendukung keandalan jangka panjang serta layanan purna jual strategis.
Analysis on the Improvement to the Mechanical Properties of ASTM A36 Using Spot Hardfacing Method Awali, Jatmoko; Rohimsyah, Fikan Mubarok; Ismail , Andi Idhil; Dewanto , Hizkia Alpha; Al-Shehan, Khulafaur Nawaf; Akram, Muhammad; Yusuf, Chiara; Triana, Yunita; Zulfikar, Ainun
Jurnal Rekayasa Mesin Vol. 17 No. 2 (2026)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/

Abstract

Hardfacing is considered to be an optimum, lightweight method to improve the strength of electrical vehicle chassis to be used in many places with variable road conditions in Indonesia, especially around the New National Capital (IKN) area. In this study, carbon steel (ASTM A36) plates were strengthened by spot hardfacing using an ER70S-6 electrode. Variables used in this study are weld dwelling time (4, 7, and 10 seconds with a constant distance of 30 mm) and spot distance (20, 30, and 40 mm with a 7 second dwelling time). From this study, the increase of dwelling time and the decrease of the spot distance enhanced the toughness of the specimens. Further observations discovered that both dwelling time increase and spot distance decrease correlated to the increase of the average grain size of the phases present in the specimens. The optimum variations observed in this research are 10 seconds dwelling time of 1,321-1,508 J/mm2 and 20 mm of spot distance of 1,312-1,456 J/mm2.
Co-Authors Al-Shehan, Khulafaur Nawaf Ali, Shodikin Ariel Muda Simanungkalit Azhar Syafiq Putra Azhary, Kartika Nerissa Batatta, Denada Yudhistira Bayu Akhmad Nugraha Bayu Wijaksana Atmawijoyo Budi Prayitno Chaerul Qalbi Chaerul Qalbi AM Dedi Hamdani Devy Setiorini Sa’adiyah Dewanto , Hizkia Alpha Dewanto, Hizkia Alpha Diana Nurlaily Djafar, Alfian Dzaki Allam Ziha Endrawati, Budiani Fitria Fachry Abda El Rahman Fadhilah, Hana’ Faisal - Manta Fitrianto, Ahmad Fredy Kurniawan Gabriel Sianipar Gad Gunawan Gembong Baskoro Haliq, Ridhwan Haris Arief Fahrurroji Hizkia Alpha Dewanto Hizkia Alpha Dewanto I Made Ivan Wiyarta Cakra Sujana Intan Dwi Wahyu Setyo Rini Irfan Riadin Jamil, Muchammad Jatmoko Awali Jatmoko Awali Julianto Hadi Kholiq Deliasgarin Radyantho Kurniawati, Diniar Mungil Laksono, Andromeda Dwi Lesmana, Muhammad Zidan Marippi, Alan Martina Puspita Sari Matin, Qowi Miles, Austin Muchammad Jamil Muhammad Akram Muhammad Ghiffari Faza Muhammad Haedir Ali Ahmad Muhammad Kamil Muqimuddin Muqimuddin Musyarofah Musyarofah, Musyarofah Nuraini, Inas Purba, Arini Anestesia Rasidah Rasidah, Rasidah Rijal Surya Rahmany Rima Nurhaliza Rohimsyah, Fikan Mubarok Rosita Hanna Sri Yuliani B.P Rungsa, Yudianto Sarah Toding Seviolla, Geyska Siti Zulaykha Suci Nur Kholifah Sukma Maharany Tajalla, Gusti Umindya Nur Triwikantoro Triwikantoro Valentino Rifai Oroh Yongki Christandi Batubara Yosua Anjupaian Situmeang Yunita Triana, Yunita Yusuf, Chiara Zulfikar, Ainun