期刊
MATERIALS AND CORROSION-WERKSTOFFE UND KORROSION
卷 66, 期 4, 页码 396-404出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/maco.201307414
关键词
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资金
- State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation (Southwest Petroleum University) [PLN1308]
- special fund of China's central government for the development of local colleges and universities - the project of national first-level discipline in Oil and Gas Engineering
- National Science and Technology Major Project [2011ZX05017-004]
The corrosion inhibition behaviors of 2'-hydroxy-acetophenone for AZ91D magnesium alloy in ASTM D1384-87 corrosive water (model water) were investigated using weight loss and electrochemical measurements. The surface morphologies and composition of films formed on magnesium alloy in solutions with and without 2'-hydroxy-acetophenone were examined by scanning electron microscope and Fourier transform infrared spectrum. The results show that inhibition efficiency first increases and then decreases with the increasing 2'-hydroxy-acetophenone concentration, its maximum value is at 50 ppm. It is considered that 2'-hydroxy-acetophenone anions can chelate with the Mg2+ and form a 2'-hydroxy-acetophenone-Mg complex on the magnesium alloy surface, hindering the corrosion development of magnesium alloy.
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