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All Journal Asean Journal of Science and Engineering (AJSE) Journal of Engineering and Technological Sciences
Din, Muhamad Faiz MD
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Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Electrical & Electronics Engineering Engineering Materials Science & Nanotechnology

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Effect of Proper Treatment on Mineral Oils Felix, Stephanie Azlyn Anak; Din, Muhamad Faiz MD
ASEAN Journal of Science and Engineering Vol 3, No 3 (2023): AJSE: December 2023
Publisher : Universitas Pendidikan Indonesia (UPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17509/ajse.v3i3.49523

Abstract

For over a century, a transformer act as a crucial part of the high voltage system. This also acts as an energy alteration device that is used to step-up and step-down voltage for power distribution from power generation to the consumers.  Maintaining a transformer is important since a single mistake can lead to a vast amount of problems in a high voltage system in terms of cost. Thus, nowadays, many researchers study the important parts of a transformer, making it to function more effective. One of the studies involves improving treatment in the insulation medium of transformers to improve its function and performance. Here, the focus of this experiment was to study the effect of proper treatment on mineral oil in terms of electrical properties as an insulator in the transformer. The drying process was the main concern in this experiment. Parameters such as AC breakdown voltage, Tan Delta value, Raman measurement, resistivity, and relative permittivity were particularly measured. Origin software was used to analyze the data obtained from the experiment. The results expected from the experiment is that the proper preparation plays the role in tuning the AC breakdown voltage.
Dry Sliding Wear Behavior of Cemented Carbide at Elevated Temperatures Zamri, Wan Fathul Hakim W; Shamsudeen, Azhari; Din, Muhamad Faiz Md
Journal of Engineering and Technological Sciences Vol. 56 No. 5 (2024)
Publisher : Directorate for Research and Community Services, Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/j.eng.technol.sci.2024.56.5.5

Abstract

The material for a cutting tool needs to be carefully selected to withstand high temperatures during cutting and have good wear performance. The use of cutting tools made from cemented carbide material was studied due to its potential in terms of mechanical properties that are ideal at high temperatures up to 1000 °C and being cheaper than other materials. This investigation of the dry wear of this cutting material focused on temperatures of 25 °C, 200 °C, and 300 °C, with loads of 50 N, 100 N, and 150 N. The weight loss, friction coefficient, and change of the pin microstructure were determined. It was found that the higher the temperature and load applied to the cemented carbide pin, the more the microstructure changed, and the percentage of weight loss increased up to 0.55%. The wear rate on the cemented carbide pins was higher when applied to a stainless steel disc compared to a mild steel disc. The simulation revealed that the von Mises stress on the stainless steel disc was 51.759 Pa, while that on the mild-steel disc was 60.379 Pa. This indicates that both materials did not fail because the von Mises stress was lower than the disc yield stress.
Co-Authors Felix, Stephanie Azlyn Anak Shamsudeen, Azhari Zamri, Wan Fathul Hakim W