期刊
CORROSION SCIENCE
卷 74, 期 -, 页码 35-43出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2013.04.005
关键词
Magnesium alloy; Inhibitor; Corrosion; Inhibition
资金
- Center of Forecasting and Analysis, Huazhong University of Science and Technology
The inhibition behavior of 2-hydroxy-4-methoxy-acetophenone (paeonol) as an environment-friendly corrosion inhibitor for AZ91D magnesium alloy was investigated in 0.05 wt.% NaCl solution by means of polarization curve, AC impedance, weight loss measurement, scanning electron microscopy, Fourier transformation infrared spectroscopy, ultraviolet analysis, and computer molecular simulation. The results show that paeonol can inhibit the corrosion of AZ91D. The maximum inhibition efficiency is achieved when paeonol concentration is 50 ppm by weight in this study. It is proposed that paeonol chelates with Mg to form a paeonol-Mg complex mixing with the original Mg(OH)(2) film on the surface to inhibit the anodic dissolution of AZ91D. (C) 2013 Elsevier Ltd. All rights reserved.
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