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Meeting 2018 TMS Annual Meeting & Exhibition
Symposium Surface Engineering for Improved Corrosion Resistance
Presentation Title Corrosion Inhibition of Martensitic Stainless Steel by Ammonium Benzoate in Acidic Solution: Solanum Tuberosum Extract as Surfactant
Author(s) Olaitan Llukman Akanji, Cleophas Akintoye Loto, Patricia Abimbola Popoola, Andrei Vicktrovich Kolesnikov
On-Site Speaker (Planned) Olaitan Llukman Akanji
Abstract Scope This paper investigates the inhibiting effect of Ammonium benzoate against the corrosion of martensitic stainless steel in 0.5M HCl solution. The steel samples were cut to coupons, and immersed into 0.5M HClmedium at 300C using gravimetric and electrochemical techniques. The microstructures of the developed thin films and uncoated samples were characterized by scanning electron microscope (SEM/EDS). Moreover, X-ray diffractometer (XRD) was used to identify the phases present. Results obtained reveal that the compound (Ammonium benzoate) performed effectively giving a maximum inhibition efficiency of 79% of 2% v/v concentration from weight loss and 80.9% at 2%v/v concentration from polarization test. The adsorption of the inhibitor on the martensitic stainless steel surface from the acid obey Temkin’s adsorption isotherm. combination of ammonium benzoate and solanum tuberosum extract reduced the corrosion rate with ~ 90% efficiency compared to ordinary ammonium benzoate Keywords: Ammonium benzoate, Hydrochloric Acid, Martensitic stainless Steel, and Solanum tuberosum.
Proceedings Inclusion? Planned: Supplemental Proceedings volume

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Advanced Surface Mechanical Treatments and Grain Boundary Engineering for Improved Resistance to Corrosion and Stress Corrosion Resistance of FCC Alloys
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Corrosion Behavior of Laser Surface Melted Inconel 718 Superalloy
Corrosion Behavior of Microarc Oxidized Mg Alloy in Simulated Body Fluid
Corrosion Characteristics of Additively Manufactured Materials
Corrosion Inhibition of Martensitic Stainless Steel by Ammonium Benzoate in Acidic Solution: Solanum Tuberosum Extract as Surfactant
Corrosion Resistance of Aluminium in 0.5 M H2SO4 in the Presence of Cassia Fistula Extract
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Performance of Thermal Spray Coating on Proprietary Magnesium/Aluminum Alloy
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Stainless Steel Corrosion Resistance in 0.5 M H2SO4 Using Cassia Fistula Extract
Study on Corrosion Behavior of Rare-earth Added High Strength Magnesium in Presence of 8-hydroxyquinoline Corrosion Inhibitor
Synergistic Effect of Benzonitrile and Benzothiazole on the Corrosion Inhibition of 316 Stainless Steel in 6M HCl Solution

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