Corrosion Inhibition of High Speed Steel by Biopolymer HPMC Derivatives
AbstractThe corrosion inhibition characteristics of the derivatives of biopolymer hydroxypropyl methylcellulose (HPMC), hydroxypropyl methylcellulose phthalate (HPMCP), and hydroxypropyl methylcellulose acetate succinate (HPMCAS) film are investigated. Based on electrochemical impedance spectroscopic measurements and potentiodynamic polarization, the corrosion inhibition performance of high speed steel coated with HPMC derivatives is evaluated. The Nyquist plot and Tafel polarization demonstrate promising anti-corrosion performance of HPMC and HPMCP. With increasing film thickness, both materials reveal improvement in corrosion inhibition. Moreover, because of a hydrophobic surface and lower moisture content, HPMCP shows better anti-corrosion performance than HPMCAS. The study is of certain importance for designing green corrosion inhibitors of high speed steel surfaces by the use of biopolymer derivatives. View Full-Text
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Shi, S.-C.; Su, C.-C. Corrosion Inhibition of High Speed Steel by Biopolymer HPMC Derivatives. Materials 2016, 9, 612.
Shi S-C, Su C-C. Corrosion Inhibition of High Speed Steel by Biopolymer HPMC Derivatives. Materials. 2016; 9(8):612.Chicago/Turabian Style
Shi, Shih-Chen; Su, Chieh-Chang. 2016. "Corrosion Inhibition of High Speed Steel by Biopolymer HPMC Derivatives." Materials 9, no. 8: 612.
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