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All Journal Teknik: Jurnal Teknik Mesin, Elektro dan Ilmu Komputer
Ismail Ismail
Universitas 17 Agustus 1945 Surabaya

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Analisis Perbandingan Pelapisan Hot-Dip Galvanis Dan Elektroplating Terhadap Ketahanan Korosi Pada Pole Bracket Aksesoris Tiang Listrik 20 KV Dhimas Alvinda Maheswara; Ega Bima Putra Hariono; Ismail Ismail
Jurnal Teknik Mesin, Elektro dan Ilmu Komputer Vol. 6 No. 2 (2026): Juli : Jurnal Teknik Mesin, Elektro dan Ilmu Komputer
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/teknik.v6i2.12016

Abstract

Corrosion is one of the main factors causing a reduction in the service life of steel components in electrical power distribution systems, including pole brackets for 20 kV power poles. One method of protection is zinc coating through hot-dip galvanizing and electroplating. This study aims to analyze and compare the corrosion resistance of these two coating methods on steel strip as the base material for pole brackets. The research method employed was an experimental study measuring corrosion rates using the weight loss method. Specimens measuring 43 mm × 3.5 mm × 80 mm, which had been coated via hot-dip galvanizing and electroplating, were tested by immersion for 168 hours in 5% and 10% NaCl and H₂SO₄ solutions. The results showed that electroplating yielded better test results than hot-dip galvanizing, producing a smoother and more uniform coating under all test conditions. Consequently, the corrosion rate was lower, particularly in the 10% H₂SO₄ solution. This indicates that the lower corrosion resistance of the hot-dip galvanized specimens is likely influenced by imperfections in the coating resulting from the galvanizing process. Observations revealed the presence of physical defects such as flash, pinholes, and surface irregularities, which create potential entry points for corrosion. Additionally, while coating homogeneity is a factor, the greater thickness of the hot-dip galvanized coating still has the potential to provide a longer protective life under field application conditions
Pengaruh Variasi Dua Inhibitor Kimia terhadap Korosi dan Morfologi Baja Stainless Steel 316l Mas Cahya Johar Arif; Syahrial Rafli; Ismail Ismail
Jurnal Teknik Mesin, Elektro dan Ilmu Komputer Vol. 6 No. 2 (2026): Juli : Jurnal Teknik Mesin, Elektro dan Ilmu Komputer
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/teknik.v6i2.12056

Abstract

Corrosion is an electrochemical reaction that causes damage to metals due to interaction with the environment, where the metal undergoes oxidation and oxidizing agents such as oxygen undergo reduction. 316l tainless steel is a metallic material characterized by high Surface deterioration resistance, but can still experience degradation in strong acidic environments such as hydrochloric acid (HCl). Efforts to slow the corrosion rate can be done by adding chemical inhibitors. This study seeks to evaluate the effect of adding two types of Compound  inhibitors on corrosion resistance and morphological changes in 316l stainless steel immersed in HCl solution. The inhibitors used in this study were Sodium Benzoate (NaC₇H₅O) and Sodium Silicate (Na₂SiO₃) each with a concentration of 8 grams. Immersion was carried out in three time variations, with immersion durations consisting of 6, 12, and 18 days.. The research methods used include observing the corrosion rate based on the sample mass before and after immersion, as well as documenting changes in surface morphology using a cellphone camera and SEM (Scanning Electron Microscope). The anticipated results of this research are to assess the performance of each inhibitor in reducing corrosion and to examine the resulting changes in the surface morphology of Stainless Steel 316L
Co-Authors Dhimas Alvinda Maheswara Ega Bima Putra Hariono Mas Cahya Johar Arif Syahrial Rafli