Zidan Galik, . (2025) PENGARUH TEMPERATUR DAN AGING TIME TERHADAP LAJU KOROSI TEMPERATUR TINGGI SS304. Skripsi thesis, Universitas Pembangunan Nasional Veteran Jakarta.
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Abstract
This research investigates the effect of temperature and aging time on the high-temperature corrosion rate of SS304 stainless steel. SS304 was selected due to its widespread use in industrial applications such as pipes, boilers, and heat exchangers, which often operate under elevated temperature conditions. The specimens were heated at 800°C, 900°C, and 1000°C with aging times of 0.5, 1, 1.5, 2, and 2.5 hours. The corrosion rate was characterized using the weight gain method, while microstructural analysis was conducted using Scanning Electron Microscope (SEM) and Energy Dispersive Spectroscopy (EDS).The results show that at 800°C and 900°C, a stable protective Cr₂O₃ layer was formed, effectively hindering oxygen diffusion and resulting in a relatively slow oxidation rate. However, at 1000°C, the Cr₂O₃ layer lost its stability, leading to dominant Fe diffusion and the formation of brittle Fe₂O₃ and Fe₃O₄ oxides accompanied by cracks and spallation. This condition significantly increased the corrosion rate. In general, the corrosion rate increased with higher temperatures and longer aging times, following the parabolic law of metal oxidation.This study confirms that the stability of protective oxide layers is strongly influenced by operating temperature. The findings are expected to serve as a reference for material selection and the design of machine components operating under high-temperature conditions to enhance resistance against oxidative corrosion.
| Item Type: | Thesis (Skripsi) |
|---|---|
| Additional Information: | [No.Panggil: 2110311006] [Penguji 1: Fahrudin] [Penguji 2: Fitri Wahyuni] |
| Uncontrolled Keywords: | SS304, High Temperature Corrosion rate, Aging time, Oxidation, Cr₂O₃ |
| Subjects: | T Technology > TJ Mechanical engineering and machinery |
| Divisions: | Fakultas Teknik > Program Studi Teknik Mesin (S1) |
| Depositing User: | ZIDAN GALIK |
| Date Deposited: | 21 Jan 2026 04:03 |
| Last Modified: | 21 Jan 2026 04:03 |
| URI: | http://repository.upnvj.ac.id/id/eprint/40962 |
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