2015
DOI: 10.4028/www.scientific.net/amm.776.193
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Effect of Polar Extract of Cocoa Peels Inhibitor on Mechanical Properties and Microstructure of Mild Steel Exposed in Hydrocloric Acid

Abstract: Effect of addition of theobroma cacao peels extract (TCPE), a new proposed green inhibitor, on tensile and hardness properties, and related microstructure of mild steel exposed in solution of 1.5M HCl was investigated in order to know the contribution of this kind of inhibitor in controlling mechanical properties, in addition to reducing corrosion attack. Corrosion behaviors including inhibition mechanism and adsorption process during exposure were then discussed. Corrosion rate and inhibitory efficiency of mi… Show more

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Cited by 8 publications
(8 citation statements)
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“…3,9 Some fundamental investigation, however, is still necessary to obtain every chemical, physical and mechanical aspects of the applying green inhibitor to protect mild still in a corrosive medium. As reported in the previous article 2,6 the addition of a small amount of Theobroma cacao peels leads to a decrease in the rate of corrosion and increases the usability of inhibitor the steel by 1.5M hydrochloric acid medium. In order to describe the corrosion mechanism in the detail, and the compound that takes part in controlling the inhibition, the extract and corrosion product will be observed by GC-MS and FTIR.…”
Section: Introductionsupporting
confidence: 51%
See 3 more Smart Citations
“…3,9 Some fundamental investigation, however, is still necessary to obtain every chemical, physical and mechanical aspects of the applying green inhibitor to protect mild still in a corrosive medium. As reported in the previous article 2,6 the addition of a small amount of Theobroma cacao peels leads to a decrease in the rate of corrosion and increases the usability of inhibitor the steel by 1.5M hydrochloric acid medium. In order to describe the corrosion mechanism in the detail, and the compound that takes part in controlling the inhibition, the extract and corrosion product will be observed by GC-MS and FTIR.…”
Section: Introductionsupporting
confidence: 51%
“…Changes in the value of b a and b c and Tafel curves presented in the previous article 6 indicate that adsorption of the cacao peels extract is a modification of the anodic dissolution at the anode and the hydrogen evolution at the cathode. Tafel curve is clear that both the cathode and anode reaction inhibited, and the inhibition process in line with the increase in the concentration of TCPE in acidic solution, but more polar in the cathode.…”
Section: Polarization Resistance Analysismentioning
confidence: 81%
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“…Common corrosion inhibitors exist that are inorganic and organic in nature [6]. Using of inorganic inhibitors to slow the rate of corrosion has several disadvantages, because they contain hazardous chemicals to living things, they are relatively expensive, and they are not environmentally friendly [1], [7], [8], [9], then inhibitors made from natural ingredients are the answer to this problem, such as coriander leaves [10], Aloe vera leaves [11], [12], Theobroma cacao peels without combine with electrodeposition method [13]. Theobroma cacao is an abundant natural resource in Indonesia.…”
Section: Introductionmentioning
confidence: 99%