2019
DOI: 10.1590/s1517-707620190003.0781
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Estudo da eficiência do Orbignya oleifera como inibidor verde de corrosão para aço com baixo teor de carbono comparado com inibidor comercial em solução HCl 1M

Abstract: RESUMO O trabalho visa um estudo comparativo entre a eficiência do óleo de coco babaçu (Orbignya oleifera) utilizado como inibidor verde de corrosão e um inibidor comercial testados em aço ABNT 1020 em meio contendo ácido clorídrico. A avaliação foi realizada utilizando técnicas eletroquímicas de polarização linear aliado ao Método de Extrapolação de Tafel e Espectroscopia de Impedância Eletroquímica. As concentrações dos inibidores utilizadas foram 3, 4 e 5 g/L em solução contendo ácido clorídrico (HCl) 1M. O… Show more

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Cited by 5 publications
(6 citation statements)
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“…A reduction in the inhibition efficiency was observed with the increase of this concentration, including the intensification of the corrosion of the metal in the medium with 5 g/L of inhibitor in comparison with the medium in the absence of this substance. Among the experimental conditions tested, the highest inhibition efficiency achieved was 56.45%, obtained by using the EIS analysis, for an inhibitor concentration of 3 g/L [24].…”
Section: The Use Of Species Of Brazilian Flora In the Corrosion Inhib...mentioning
confidence: 99%
See 1 more Smart Citation
“…A reduction in the inhibition efficiency was observed with the increase of this concentration, including the intensification of the corrosion of the metal in the medium with 5 g/L of inhibitor in comparison with the medium in the absence of this substance. Among the experimental conditions tested, the highest inhibition efficiency achieved was 56.45%, obtained by using the EIS analysis, for an inhibitor concentration of 3 g/L [24].…”
Section: The Use Of Species Of Brazilian Flora In the Corrosion Inhib...mentioning
confidence: 99%
“…The parameter varied by PERES et al [24] was the concentration of the inhibitor in the corrosion medium, with the values of 3, 4 and 5 g/L being adopted. A reduction in the inhibition efficiency was observed with the increase of this concentration, including the intensification of the corrosion of the metal in the medium with 5 g/L of inhibitor in comparison with the medium in the absence of this substance.…”
Section: The Use Of Species Of Brazilian Flora In the Corrosion Inhib...mentioning
confidence: 99%
“…All materials (Table 3) were analyzed to discover whether they inhibit carbon steel corrosion in acid medium and showed inhibition efficiencies above 80%. The exception was babassu coconut oil, with 56.45% efficiency [39].…”
Section: Green Corrosion Inhibitorsmentioning
confidence: 99%
“…All materials (Table 3) were analyzed to discover whether they inhibit carbon steel corrosion in acid medium and showed inhibition efficiencies above 80%. The exception was babassu coconut oil, with 56.45% efficiency [39]. Figure 2 shows the percentages of the top 10 IPC (International Patent Classification) codes used for patents found in the Derwent database.…”
Section: Green Corrosion Inhibitorsmentioning
confidence: 99%
“…Ferramentas de cerâmica 105,110,111,55,56,57,58,59,62,66 Filme de óxido de Titânio - TiO2 27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,59 Fotocatálise 27,32,39,41 Fotocromismo 27 Fresamento 105,107,108,110,111,112,113,114 H Hidratos de gás 85, 86, 91…”
unclassified