Burhani, Muhammad Akmaluddin (2026) Analisa Pengaruh Variasi Temperatur Dan Holding Time Pada Proses Pack Carburizing Baja Astm A36 Terhadap Kekerasan, Struktur Mikro Dan Laju Korosi. (Analysis Of the Effect of Temperature and Holding Time Variations in the Pack Carburizing Process of Astm A36 Steel on Hardness, Microstructure, And Corrosion Rate). Undergraduate thesis, Universitas 17 Agustus 1945 Surabaya.
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Abstract
ASTM A36 steel has relatively low hardness and corrosion resistance; therefore, surface treatment is required to improve its material properties. This study aims to determine the effect of temperature and holding time variations in the pack carburizing process on the hardness, corrosion rate, and microstructure of ASTM A36 steel. The pack carburizing process was carried out using coconut shell charcoal as the carburizing medium with temperature variations of 850°C, 900°C, and 950°C and holding times of 20 minutes, 40 minutes, and 60 minutes, followed by quenching in distilled water. Hardness testing was conducted using the Rockwell method on the B scale (HRB), corrosion rate testing was performed using the ASTM G31 method, and microstructural observations were carried out using Scanning Electron Microscopy (SEM). The results showed that increasing the carburizing temperature and holding time enhanced the hardness and corrosion resistance of ASTM A36 steel. The highest hardness value was obtained at a temperature of 950°C with a holding time of 60 minutes, reaching 114.1 HRB. Microstructural analysis revealed the formation of a martensitic phase on the surface of the specimens after the carburizing process.
| Item Type: | Thesis (Undergraduate) |
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| Uncontrolled Keywords: | ASTM A36 Steel, Pack Carburizing, Temperature, Holding Time, Hardness, Corrosion Rate, Microstructure |
| Subjects: | T Technology > TJ Mechanical engineering and machinery |
| Divisions: | Fakultas Teknik > Program Studi Teknik Mesin |
| Depositing User: | 1422200155 Muhammad Akmaluddin Burhani |
| Date Deposited: | 24 Aug 2026 05:23 |
| Last Modified: | 24 Aug 2026 05:23 |
| URI: | http://repository.untag-sby.ac.id/id/eprint/46457 |
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