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All Journal VALENSI The Journal of Pure and Applied Chemistry Research JURNAL KAJIAN TEKNIK MESIN Jurnal Pengabdian UNDIKMA Journal of Metallurgical Engineering and Processing Technology JUKESHUM: Jurnal Pengabdian Masyarakat Creative Research in Engineering (CERIE) Jurnal Ilmiah Sains J-ENSITEC (Journal of Engineering and Sustainable Technology)
Setyani, Atik
Program Studi Teknik Metalurgi, Fakultas Teknologi Mineral, Universitas Pembangunan Nasional “Veteran” Yogyakarta
Religion Aerospace Engineering 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 Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education 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 Medicine & Pharmacology Nursing Physics Public Health Social Sciences Other

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Analysis of Primary Coating Thickness Effects on Adhesion Strength in S355J2+N Steel Material Andika Adevicky Irwansyah; Muhammad Syukron; Atik Setyani; Muji Santoso
Journal of Metallurgical Engineering and Processing Technology Vol 5, No 1 (August 2024)
Publisher : Universitas Pembangunan Nasional "Veteran" Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/jmept.v5i1.12796

Abstract

Steel is a metal alloy primarily composed of iron, with carbon as its main alloying material along with several other components according to specific requirements. Low carbon steel has a carbon content of 0.05-0.3% and is easily manufacturable. This type of steel is commonly used for vehicle frames and other applications. The material used in this study is Carbon Steel S355J2, classified as low carbon steel with 0.15% carbon and 1.46% manganese. Carbon Steel S355J2 is used for the underframe of freight trains by PT Industri Kereta Api Indonesia. Coating and protection are crucial due to its susceptibility to corrosion, which can damage its structure in operational railway environments. As additional data for the company and learning for the researcher, a pull-off test was conducted varying the thickness of the primer coat. The results showed that sample A (110 µm), B (150 µm), and C (200 µm) achieved adhesion strengths of 2.5 MPa, 4.5 MPa, and 5 MPa respectively. The surface roughness level of the samples was 90 - 120 µm. Based on the test results, the most suitable coating system for the UGL underframe painting project for PT Industri Kereta Api (INKA) is a primer with a thickness of 150 µm (Sample B). This thickness is not too high, yet it significantly exceeds PT INKA's minimum criteria and avoids overcoating.
Pengaruh Heat Treatment terhadap Mikrostruktur dan Kekerasan pada Material Low Carbon Stell ST-37 Atik Setyani; Hendy Roesma Wardhana; Mansyur Abdul Shaleh; Stephanus Yoshi Kristanta; Firmansyah Ismudian Syahidin; Nixon Carlotta
Creative Research in Engineering (CERIE) Vol 4, No 2 (2024): Creative Research in Engineering (CERIE)
Publisher : Lembaga Publikasi Ilmiah dan Penerbitan (LPIP)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30595/cerie.v4i2.19590

Abstract

Material low carbon steel ST-37 menjadi salah satu material yang prospektif untuk dikembangkan dalam berbagai aplikasi perkapalan diantarannya lambung kapal. Namun disisi lain diperlukan treatment guna meningkatkan ketangguhan serta kekuatannya yang sampai saat ini menjadi salah satu tantangan dalam fabrikasi material kapal. Oleh karena itu, pada penelitian ini telah dilakukan pengkajian tentang perlakuan panas pada material ST-37. Material low carbon steel ST-37 dihomogenisasi pada temperatur 800 ℃ selama 1 jam diikuti dengan pendinginan udara. Selanjutnya material diaustenisasi pada temperatur 850 ℃ dan 870 ℃ selama 15 menit kemudian di lakukan pendinginan cepat menggunakan media air. Sampel dikarakterisasi menggunakan XRD untuk mengidentifikasi fasa, pengujian metalografi dan uji kekerasan menggunakan microvickers. Hasil pengujian mikrsotruktur menunjukkan bahwa setelah perlakuan panas terjadi pembentukan fasa ferit acicular, retained asutenit dan pengecilan ukuran butir. Analisa struktur mikro dilakukan dengan proses metalografi menggunakan esta NaOH.  Selain itu identifikasi fasa juga terkonfirmasi melalui pengujian XRD yang diketahui terdapat puncak dengan hkl fasa ferit α (111), α (200) dan α (220). Sedangkan fasa reatined austenit terkonfirmasi pada hkl γ (220). Hasil pengujian microvicekrs menunjukkan peningkatan kekerasan pada sampel yang telah diberikan perlakuan panas dari 129.53 HVN menjadi 308.2 HVN pada sampel 850 ℃ dan 312.5 HVN pada sampel 870 ℃ . Peningkatan kekerasan pada sampel terjadi melalui mekanisme penguatan batas butir dan presipitasi.
INVESTIGASI KOROSI PIPA FLOWLINE CARBON STEEL PADA SISTEM PRODUKSI MIGAS DAN PENERAPAN SOLUSI PROTEKTIF Setyani, Atik; Jheno Sheva Hermawan, Moch. Aditya; Prabowo, Imam; Amin, Nur
J-ENSITEC Vol. 11 No. 02 (2025): June 2025
Publisher : Universitas Majalengka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31949/j-ensitec.v11i02.13508

Abstract

Corrosion in flowline pipes represents one of the critical challenges frequently encountered in the oil and gas industry, particularly within fluid transportation systems in the upstream sector. This issue significantly compromises material performance, incurs substantial economic losses, and poses serious occupational safety risks. Carbon steel, commonly used in flowline pipes, is highly susceptible to corrosion due to exposure to aggressive environments, including high humidity, formation water, and corrosive gases such as H₂S and CO₂. In line with the growing demands for infrastructure reliability and compliance with safety standards, effective corrosion mitigation has become increasingly urgent. The degradation of pipe integrity due to corrosion can jeopardize the long-term reliability of fluid transport systems, potentially leading to severe operational disruptions and escalating maintenance costs. This study aims to investigate the primary causes of corrosion and evaluate the effectiveness of applied mitigation strategies on flowline pipes at a production facility. The methods examined include the application of protective surface coatings and the use of wrapping systems to inhibit direct contact between the metal and corrosive agents. Additionally, pipe wall thickness measurements were conducted to estimate the remaining service life of the flowline system based on the extent of corrosion-induced degradation. The findings of this study are expected to offer technically sound and practically applicable recommendations for corrosion control, thereby enhancing operational reliability and contributing to the sustainable performance of oil and gas infrastructure.
PEMANFAATAN EKSTRAK DAUN GAMAL SEBAGAI INHIBITOR KOROSI BAJA KARBON PADA LINGKUNGAN AIR LAUT BUATAN Wardhana, Hendy Roesma; Shaleh, Mansyur Abdul; Setyani, Atik; Mafruhah, Annida Justisia; Sari, Meirinda Anggrita
JURNAL KAJIAN TEKNIK MESIN Vol 10, No 1 (2025): Jurnal Kajian Teknik Mesin
Publisher : Universitas 17 Agustus 1945 Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52447/jktm.v10i1.8426

Abstract

Kegagalan akibat korosi di air laut telah menjadi penyebab kerugian besar pada kegiatan kelautan. Potensi korosi air laut dapat dicegah melalui berbagai cara yaitu coating maupun proteksi katodik. Pada beberapa kasus, metode coating lebih dipilih karena berbagai keunggulan, namun pemakaian zat anorganik coating dipercaya dapat merusak ekosistem laut. Organik inhibitor coating seperti ekstrak daun gamal menjadi kandidat yang cukup tepat untuk menggantikan anorganik coating, karena kandungan gugus kimia yang mendukung sifat corrosion barrier. Studi lebih lanjut dilakukan dengan melapisi ekstrak daun gamal pada baja ST-37 dengan variasi sejumlah 100 ppm, 200 ppm, dan 300 ppm. Proses korosi berlangung pada air laut buatan dengan perendaman selama 14 hari. Pengaruh konsentrasi ekstrak daun gamal menunjukan hasil positif yang siginifikan dan layak untuk dikembangkan.
A Review of Reforming Processes in the Railway Manufacturing Industry : Case Study of PT. Industri Kereta Api (Persero) Kristanta, Stephanus Yosi; Setyani, Atik; Sudaryanto, Sudaryanto; Syukron, Muhammad; Santoso, Muji
Journal of Metallurgical Engineering and Processing Technology Vol 5, No 1 (August 2024)
Publisher : Universitas Pembangunan Nasional "Veteran" Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/jmept.v5i1.12772

Abstract

The railway manufacturing industry is critical for developing efficient and sustainable mass transportation systems. PT. Industri Kereta Api (Persero) (PT. INKA), a leading company in Indonesia, faces significant challenges due to deformation caused by residual stress during welding processes. This study reviews various reforming techniques implemented by PT. INKA to address these issues. The objectives include evaluating the effectiveness of these techniques and identifying potential improvements. Methods such as post-weld heat treatment (PWHT), controlled cooling, and mechanical tools are analyzed for their ability to mitigate deformation. The study demonstrates that PWHT reduces residual stress and improves material quality by homogenizing the microstructure. Controlled cooling techniques effectively reduce distortion by allowing even temperature distribution during the cooling process. Mechanical tools provide nonthermal methods to stabilize and control deformation, significantly reducing distortion levels. Despite the success of these techniques, PT. INKA faces challenges related to process control and skill variance among workers. The study concludes that while reforming techniques significantly enhance the structural integrity and performance of railway components, consistent implementation and clear guidelines are essential for future improvements. Developing new technologies, enhancing workforce training, and creating comprehensive process guidelines are recommended to maintain high standards and competitiveness in the global market.
Analysis of Primary Coating Thickness Effects on Adhesion Strength in S355J2+N Steel Material Irwansyah, Andika Adevicky; Syukron, Muhammad; Setyani, Atik; Santoso, Muji
Journal of Metallurgical Engineering and Processing Technology Vol 5, No 1 (August 2024)
Publisher : Universitas Pembangunan Nasional "Veteran" Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/jmept.v5i1.12796

Abstract

Steel is a metal alloy primarily composed of iron, with carbon as its main alloying material along with several other components according to specific requirements. Low carbon steel has a carbon content of 0.05-0.3% and is easily manufacturable. This type of steel is commonly used for vehicle frames and other applications. The material used in this study is Carbon Steel S355J2, classified as low carbon steel with 0.15% carbon and 1.46% manganese. Carbon Steel S355J2 is used for the underframe of freight trains by PT Industri Kereta Api Indonesia. Coating and protection are crucial due to its susceptibility to corrosion, which can damage its structure in operational railway environments. As additional data for the company and learning for the researcher, a pull-off test was conducted varying the thickness of the primer coat. The results showed that sample A (110 µm), B (150 µm), and C (200 µm) achieved adhesion strengths of 2.5 MPa, 4.5 MPa, and 5 MPa respectively. The surface roughness level of the samples was 90 - 120 µm. Based on the test results, the most suitable coating system for the UGL underframe painting project for PT Industri Kereta Api (INKA) is a primer with a thickness of 150 µm (Sample B). This thickness is not too high, yet it significantly exceeds PT INKA's minimum criteria and avoids overcoating.
Renewable Energy Revolution: A Review Of Innovative Strategies Towards Net Zero Emission (NZE) Naibaho, Nathan Gorga Tona; Setyani, Atik; Pratomo, Dias Dibyo
Journal of Metallurgical Engineering and Processing Technology Vol 5, No 2 (February 2025)
Publisher : Universitas Pembangunan Nasional "Veteran" Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/jmept.v5i2.14023

Abstract

The Net Zero Emissions (NZE) program became a common term after the 2015 Paris Climate Agreement. This program aims to reduce environmental pollution that can cause global warming. Energy is one of the sectors that is the focus of the NZE program implementation efforts. The energy transition is a very important program, especially in relation to the NZE Program issue and mitigation of the Greenhouse Gas effect. The energy transition program must focus on reducing carbon intensity and providing more benefits to all households. Indonesia has committed to achieving NZE by 2060 or sooner. This study aims to examine the role of renewable energy in achieving the NZE program and analyze innovation strategies to accelerate the NZE program. This study uses a narrative literature review method to analyze information and literature. This study presents alternative solutions to the issue of renewable energy transition in realizing NZE. Utilization of abundant renewable energy to replace fossil fuels and also electrification of non-electricity sectors can be a priority solution in realizing NZE. In addition, the development of Carbon Capture, Utilization, Storage (CCUS), and Green Hydrogen technology is also very important for the industrial sector in mitigating the effects of greenhouse gases.
Pelatihan Pembuatan Eco-Friendly Light-Brick dari Sekam Padi sebagai Bata Ringan Tahan Gempa di Dusun Mriyan Utara Kabupaten Bantul Setyani, Atik; Prabowo, Imam; Arif, Nina Fapari; Ichsanudin, Muhammad; Pranoto, Aditya Wahyu; Tantrianita, Rikma; Pradipa, Raditya Khayru
Jurnal Pengabdian UNDIKMA Vol. 5 No. 4 (2024): November
Publisher : LPPM Universitas Pendidikan Mandalika (UNDIKMA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/jpu.v5i4.13264

Abstract

This community service activity aims to enhance the skills of the Karang Taruna in Dusun Mriyan Utara, Bantul Regency, in making eco-friendly light bricks from rice husk as earthquake-resistant lightweight bricks. The method used in this community service involves participatory training, where youth groups actively make light bricks from natural waste. The evaluation instruments for this activity include direct observation and post-tests, which are analyzed descriptively to measure the participants' improvement in skills and knowledge. The results of this community service indicate that the people of Dusun Mriyan Utara are very enthusiastic and have successfully improved their skills in making light bricks, which can be developed as a flagship product of the village and a preventive measure in earthquake disaster mitigation.
Co-Authors Aji, Navela Rahma Alvian Alvin Mubarok Andika Adevicky Irwansyah Arif, Nina Fapari Emas Agus Prastyo Wibowo Emas Agus Prastyo Wibowo Emas Agus Prastyo Wibowo Emas Agus Prastyo Wibowo Emas Agus Prastyo Wibowo, Emas Agus Prastyo Fadila Mauliani Firmansyah Ismudian Syahidin Hani Subagio Hendy Roesma Wardhana Ichsanudin, Muhammad Imam Prabowo, Imam Irwansyah, Andika Adevicky Jheno Sheva Hermawan, Moch. Aditya Kristanta, Stephanus Yosi Mafruhah, Annida Justisia Mansyur Abdul Shaleh Mansyur Abdul Shaleh Maulana, Khoironni Devi Muhamad Ridwan Muhammad Syukron Muji Santoso Muji Santoso Naibaho, Nathan Gorga Tona Navela Rahma Aji Nixon Carlotta Nuni Widiarti Nur Amin, Nur Pradipa, Raditya Khayru Pranoto, Aditya Wahyu Pratomo, Dias Dibyo Santoso, Muji Sari, Meirinda Anggrita Shaleh, Mansyur Abdul Stephanus Yoshi Kristanta Stephanus Yosi Kristanta SUDARYANTO SUDARYANTO Sudaryanto Sudaryanto Syukron, Muhammad Tantrianita, Rikma Utami Nofitasari Wening Dwi Prastiwi Wening Dwi Prastiwi, Wening Dwi Yasmina Amalia Yuliawati Yuliawati