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Articolul precedent |
Articolul urmator |
691 7 |
Ultima descărcare din IBN: 2021-12-02 19:19 |
Căutarea după subiecte similare conform CZU |
620.197.3 (7) |
Încercarea materialelor. Materiale comerciale și cunoașterea mărfurilor, centrale energetice. Economie energetică (680) |
SM ISO690:2012 POURRIAHI, M., MOJTABA, Nasr-Esfahani, MOTALEBI, A. Effect of Henna and Rosemary Extracts on the Corrosion of 304L Stainless Steel in 3.5% NaCl Solution. In: Электронная обработка материалов, 2014, nr. 6(50), pp. 74-82. ISSN 0013-5739. |
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Электронная обработка материалов | ||||||
Numărul 6(50) / 2014 / ISSN 0013-5739 /ISSNe 2345-1718 | ||||||
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CZU: 620.197.3 | ||||||
Pag. 74-82 | ||||||
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The inhibitive action of two natural compounds – henna and rosemary extracts, on the corrosion of 304L stainless steel in 3.5% NaCl solution has been investigated through electrochemical techniques and surface analysis. Polarization measurements indicate that the investigated compounds are mixedtype inhibitors, and the higher the inhibitor concentration, the higher the inhibition efficiency. Maximum inhibition efficiencies of 92.7% and 90.2% of henna and rosemary extracts are obtained at 1.0 g/L, respectively. The polarization curves show that henna and rosemary extracts act as a cathodetype and an anodic-type inhibitor, respectively. The results show that these additives in saline media are adsorptive inhibitors and their adsorption obeys the Langmuir adsorption isotherm. |
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Cuvinte-cheie corrosion, green inhibitor, henna extract, rosemary extract, stainless steel 304L. |
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