Saputra, Hendriansyah (2022) Analisa Laju Korosi Material Stainless Steel 304 Dengan Pelapisan CR Dalam Media Synthetic Body Fluid. Other thesis, Universitas Islam Riau.
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Abstract
ABSTRACT In the medical world, there is an implantation in orthopedic or so-called orthopedic science, where stainless steel or other metallic materials are used to assist and replace the function of certain body parts. One way to improve the physical and mechanical properties of materials is to engineer the properties of steel and its alloys by means of stress and surface treatment (electroplating). This study aims to obtain the best corrosion rate on stainless steel 304 (as-received), stainless steel 316L (as-received) and stainless steel 304 which have been treated with suppression and Cr coating. In this study, the pressure was varied 100 kg/cm2, 150 kg/cm2 and 200 kg/cm2. The material is immersed in the corrosion medium, namely synthetic body fluid (SBF) within 48 hours. The results showed that stainless steel 304 (as-received) which had been immersed in a synthetic body fluid (SBF) solution had the highest weight loss value of 0.31 grams with a time of 48 hours. While the smallest weight loss value is 0.01 gram on stainless steel 304 given an emphasis of 200 kg/cm2 and Cr coating within 8 hours. The highest corrosion rate is shown by stainless steel 304 (As-received) which is 0.0099 mm/year at 8 hours while the lowest corrosion rate is shown by stainless steel 316L (As-received) with a time of 48 hours, which is 0.00083 mm/year. The application of pressure before Cr coating can reduce the corrosion rate. Pressure of 200 kg/cm2 can reduce corrosion to 0.00035 mm/year. This rate is the lowest compared to the corrosion rate shown by stainless steel 304 material which is stressed at 100 kg/cm2 and 150 kg/cm2. Overall, the application of pressure combined with Cr coating can reduce the corrosion rate so that it can be used as an alternative to 316L stainless steel.
| Item Type: | Thesis (Other) | ||||||
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| Uncontrolled Keywords: | Stainless steel 304, Stainless steel 316L, Cr Plating, Corrosion Rate, | ||||||
| Subjects: | T Technology > TJ Mechanical engineering and machinery | ||||||
| Divisions: | > Teknik Mesin | ||||||
| Depositing User: | Budi Santoso S.E | ||||||
| Date Deposited: | 22 Dec 2022 02:59 | ||||||
| Last Modified: | 22 Dec 2022 02:59 | ||||||
| URI: | http://repository.uir.ac.id/id/eprint/18602 |
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