Aspiantoro, Denny (2025) Eksperimen Analisa Laju Stress Corrosion Cracking Pada Kuningan Dengan Variasi Pembebanan Tarik Dalam Media Asam Klorida, Asam Sulfat, Asam Asetat Dan Natrium Klorida. (Experimental Analysis of the Stress Corrosion Cracking Rate on Brass Under Varying Tensile Loads in Hydrochloric Acid, Sulfuric Acid, Acetic Acid and Sodium Chloride Solutions). Undergraduate thesis, Universitas 17 Agustus 1945 Surabaya.
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Abstract
This study aims to analyse the corrosion rate due to Stress Corrosion Cracking (SCC) on brass material by applying varying tensile loads in four different corrosive media: hydrochlorid acid (HCl), sulphuric acid (H2SO4), acetic acid (CH3COOH) and sodium chloride (NaCl). The experimental method used is the weight loss method, where each specimen was subjected to static tensile loads of 115 MPa, 135 MPa and 155 MPa, then immersed in the corrosive solution for 10 days. The initial and final weights of the specimens were recorded and used to calculate the corrosion rate in mm/year. The results showed that the corrosion rate increased proportionally with higher tensile across all test media. The HCl solution exhibited the highest corrosion rate, followed by NaCl, CH3COOH and H2SO4. The addition of NaCl as a neutral corrosive medium produced significant SCC effects, nearly comparable to those observed in acidic environments. This confirm that chloride ions, even in neutral pH, play a major role in accelerating corrosion-induced cracking in brass. These findings are consistent with SCC theory, which states that the combination of mechanical stress and aggressive environments is a primary factor in metal degradation.
| Item Type: | Thesis (Undergraduate) |
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| Uncontrolled Keywords: | brass, stress corrosion cracking (SCC), corrosion rate, tensile stress, NaCL, weight loss |
| Subjects: | T Technology > T Technology (General) |
| Divisions: | Fakultas Teknik > Program Studi Teknik Mesin |
| Depositing User: | 1421900157 Denny Aspiantoro |
| Date Deposited: | 30 Apr 2002 16:17 |
| Last Modified: | 30 Apr 2002 16:17 |
| URI: | http://repository.untag-sby.ac.id/id/eprint/41643 |
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