Anti-corrosive properties of natural honey on Al-Mg-Si alloy in seawater

被引：42

作者：

Rosliza, R. ^{[1
,2
]}

Nik, W. B. Wan ^{[3
]}

Izman, S. ^{[4
]}

Prawoto, Y. ^{[4
]}

机构：

[1] TATi Univ Coll, Kemaman 24000, Terengganu, Malaysia

[2] Univ Malaysia Terengganu, Fac Sci & Technol, Kuala Terengganu 21030, Malaysia

[3] Univ Malaysia Terengganu, Fac Maritime Studies & Marine Sci, Kuala Terengganu 21030, Malaysia

[4] Univ Teknol Malaysia, Fac Mech Engn, Johor Baharu 81310, Malaysia

来源：

CURRENT APPLIED PHYSICS | 2010年 / 10卷 / 03期

关键词：

Al-Mg-Si alloy; Corrosion resistant; Polarization; Electrochemical impedance spectroscopy; SEM-EDS; N-HETEROCYCLIC COMPOUNDS; CORROSION INHIBITION; ELECTROCHEMICAL PROPERTIES; ALUMINUM-ALLOYS; MILD-STEEL; PROTECTION; COATINGS; BEHAVIOR; ACID; CU;

D O I：

10.1016/j.cap.2009.11.074

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Anti-corrosive properties of natural honey on Al-Mg-Si alloy in seawater were evaluated by potentiodynamic polarization (PP), linear polarization resistance (LPR) and electrochemical impedance spectroscopy (EIS) measurements. All the studied parameters showed good anti-corrosive properties against the corrosion of Al-Mg-Si alloy in the tested solution and their performance increases with corrosion resistant concentration. Polarization data indicated that natural honey is a mixed-type corrosion resistant. LPR and EIS studies showed that there were significant increases in the overall resistance after the addition of natural honey. The adsorption of natural honey on the metal surface obeys Langmuir adsorption isotherm. The analysis of morphology studies confirmed the formation of precipitates of natural honey on the metal surface, which reduced the overall corrosion reaction. (C) 2009 Elsevier B. V. All rights reserved.

引用

页码：923 / 929

页数：7

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