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All Journal Majalah Ilmiah MOMENTUM JOURNAL OF MECHANICAL ENGINEERING, MANUFACTURES, MATERIALS AND ENERGY Jurnal Rekayasa Material, Manufaktur & Energi APTEK JTTM: Jurnal Terapan Teknik Mesin Jurnal UNITEK Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse) SAINSTEK
Weriono
Sekolah Tinggi Teknologi Pekanbaru
Aerospace Engineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Karakterisasi Hasil Pack Carburizing Menggunakan Campuran Serbuk Arang Kayu Jati Dan Cangkang Sawit Pada Baja Aisi 1040 Setelah Double Quenching Bambang Prahoro Aji; Hakim Nasution, Lukman; TO Rajagukguk; Chandra Aditiya; Candra Irianto; Aditya Sapta Nugraha; Weriono; Nazaruddin; Heri Suripto
Aptek Jurnal Apliksai Teknologi (APTEK): Volume 16, No. 02, Juni 2024
Publisher : Fakultas Teknik Universitas Pasir Pengaraian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30606/aptek.v16i2.2695

Abstract

Hasil karakterisasi proses pack carburizing menggunakan campuran serbuk arang kayu jati dan cangkang sawit berukuran mesh 40 dengan perbandingan 1:1 pada baja AISI 1040 setelah double quenching dilakukaan dengan X-Ray Fluorescence portable dan Field Emission Scanning Electron Microscopes Energy Dispersive X-Ray Spectroscopy. Raw material (RA) yaitu baja AISI 1040 yang dipanaskan pada suhu 8000C dengan holding time 120 menit sebagai spesimen A, dan 8000C dengan holding time 360 menit sebagai spesimen B, dimana ukuran masing-masing spesimen adalah tebal 3 mm, panjang 50 mm dan lebar 20 mm; menggunakan media pendingin air biasa 1.200 ml. Hasil analisis karakterisasi X-Ray Fluorescence portable menunjukkan peningkatan nilai persentase kadar unsur Fe sebesar 1,04% dan Si 0,04% pada spesimen A, dan pada spesimen B unsur Fe sebesar 0,4% dan Si sebesar 0,18% dibandingkan dari Fe dan Si pada spesimen RA. Sedangkan berdasarkan analisis karakterisasi Field Emission Scanning Electron Microscopes Energy Dispersive X-Ray Spectroscopy manunjukkan bahwa distribusi ukuran partikel lebih menstubtitusi ke area permukaan spesimen B, yang menunjukkan proses pack carburizing menggunakan campuran serbuk arang kayu jati dan cangkang sawit berukuran mesh 40 setelah double quenching terbaik untuk meningkatkan ketahanan aus baja AISI 1040 adalah pada suhu 8000C dengan holding time selama 360 menit.
Effect of Venting Equipment Installation on Oil Production Stability Weriono, Weriono; Junaidi, Abdul Khair; Indarto, Kabul
Journal of Ocean, Mechanical and Aerospace -science and engineering- Vol 68 No 3 (2024): Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse)
Publisher : International Society of Ocean, Mechanical and Aerospace -scientists and engineers- (ISOMAse)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36842/jomase.v68i3.377

Abstract

Electric Submersible Pumps (ESPs) are one of the most prominent artificial lifting methods in the oil and gas industry today. In the operation of Electric Submersible Pumps on wells in the Ko-Pet field, a gas lock may occur when liquid and gas separate in the tubing above an electric submersible pump and inside the pump. This study aims to determine the effect of installing venting equipment on oil well production. Venting equipment was installed in three oil wells: KI090, KI183, and KI495 in the Ko-Pet oil field. From the production data, it was found that the installation of Venting Equipment affected production stability, namely by increasing the fluid that could be pumped by the ESP to the surface facility. The installation of venting equipment increased oil production by 1251 barrels or an increase of 8%. Electrical Submersible Pump performance was more stable because the gas lock problem can be overcome by continuously releasing the casing pressure with venting equipment.
Hubungan Matriks Stirling Jenis Kedua dengan Matriks Tetranacci Mirfaturiqa, Mirfaturiqa; Weriono, Weriono; Palaha, Fadhli
SAINSTEK Vol. 11 No. 2 (2023)
Publisher : Sekolah Tinggi Teknologi Pekanbaru

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35583/js.v11i2.218

Abstract

Matriks Stirling jenis kedua dinyatakan dengan setiap entrinya bilangan Stirling jenis kedua. Selanjutnya, matriks Tetranacci dinyatakan dengan dengan setiap entrinya bilangan Tetranacci. Dalam Artikel ini, membahas hubungan antara matriks Stirling jenis kedua dan matriks tetranacci. Kemudian, dari hubungan kedua matriks tersebut diperoleh sebuah matriks baru yaitu matriks , sehingga matriks dapat dinyatakan sebagai
Influence of SMAW Welding Current Variations on the Tensile Strength of API 5L Grade B Pipe Weriono, Weriono; Rinaldi, Rinaldi; Rahmi, Rahmi; Mirfaturiqa, Mirfaturiqa
Journal of Ocean, Mechanical and Aerospace -science and engineering- Vol 69 No 3 (2025): Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse)
Publisher : International Society of Ocean, Mechanical and Aerospace -scientists and engineers- (ISOMAse)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36842/jomase.v69i3.560

Abstract

Welding often fails or rejects weld joints on API 5L Gr.B material, which is a critical problem, because the pipe is a very important part. It will have fatal consequences for the production process. This research is proposed to study the effect of Shielded Metal Arc Welding (SMAW) process current variations on the tensile strength of API 5L Gr. B Pipe material. Results from previous investigations reveal that, single pass welded joint was found to possess adequate strength and meet requirements and the impact toughness for API 5L Gr.B steel pipe oil and gas. The parent material was superior to that of multi-pass weld zone and heat affected zone (HAZ) at all test of temperatures. The ultimate stress with 50 A welding is 295.31 MPa and the yield stress is 216.41 MPa. The tensile stress with a welding current of 140 A produces an ultimate strength of 261.98 MPa and a yield stress of 191.41 MPa so that the SMAW welding process by increasing the current can reduce the tensile strength of the welding results.
Mechanical Properties of Laminar HDPE–Coconut Fiber Composites With Different Fiber Volume Weriono; Lusi Dwi Putri; Fajar Maulana
JTTM : Jurnal Terapan Teknik Mesin Vol 7 No 1 (2026): JTTM: Jurnal Terapan Teknik Mesin
Publisher : Teknik Mesin - Universitas Muhammadiyah Cileungsi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37373/jttm.v7i1.2322

Abstract

This study aims to analyze the mechanical properties of High Density Polyethylene composites reinforced with coconut fiber. The analysis was carried out through tensile and impact tests on composites with variations in coconut fiber volume fractions of 0%, 10%, 20%, and 30%. The main objective of this study was to determine the effect of variations in fiber volume fractions on tensile strength and impact toughness, and to determine the fiber volume fraction that produces the most optimal mechanical properties. The research method includes the process of making HDPE-coconut fiber composite specimens according to testing standards, then conducting tests using a tensile testing machine and an impact testing machine. The test data were compared for each variation of fiber volume fraction to obtain the relationship between increasing fiber fractions on tensile strength and impact absorption energy. The results showed that increasing the coconut fiber volume fraction had an effect on increasing tensile strength and impact toughness to a certain limit. The mechanical strength of the composite increased at a fiber fraction of 20%, then tended to decrease at a fraction of 30% due to uneven fiber distribution and decreased fiber-matrix interfacial bonding. Thus, the HDPE–coconut fiber composite with a fiber volume fraction of 20% produced the most optimal mechanical properties among the variations tested.
Co-Authors Abdul Khair Junaidi Achmad Jusuf Zulfikar Adi Isra Adi Isra . Aditya Sapta Nugraha Ahmad Marabdi Siregar Ahmad Rambe, Ibrahim Ajar Darmawan Akmal, Nasrol AMRU SIREGAR Bambang Prahoro Aji Candra Irianto Chandra Aditiya Darianto Darianto Darianto, Darianto Deden MS Din Aswan Ritonga Fadhli Palaha Fajar Maulana . Felix Sigalingging Firdaus M Hakim Nasution, Lukman Hariman Hariman Harnis, Emri Juli Haryon, Tri Hendery Dahlan, Hendery Hendri Hendri Holyness Nurdin Singadimedja Husnadi, Andi Hypocrates Sihite, Hendra Indarto, Kabul Indra Hermawan Indra Hermawan Irawansyah, Purnama IRWANSYAH Isra, Adi Joko Joko Julnaidi, Julnaidi JUNAIDI Junaidi Karo Karo, Septa Fernando Kurniawan, Mauliade Lusi Dwi Putri M. Dalil M.Y. Yuhazri Meifal Rusli, Meifal Mirfaturiqa, Mirfaturiqa Muhammad Idris Muhammad Idris Muhammad Idris N, Nazarudin Nasution, Lukman Hakim Nazaruddin Nazaruddin Nazaruddin Nazaruddin, Nazaruddin Pertiwi, Eka Pratiwi, Sheliona Rahmi Rahmi Rinaldi Rinaldi . Rinaldi Rinaldi Rinaldi, Rinaldi Sahputra, Roni Eka Sepfitrah, Sepfitrah Siswo Pranoto Sopyan Hadi Suripto, Heri Syafril Syafar Syafril Syafar TO Rajagukguk Yudi Aditya