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Corrosion of magnesium alloy AZ31: The influence of bicarbonate, sulphate, hydrogen phosphate and dihydrogen phosphate ions in saline solution
R. C. Zeng; Y. Hu; S. K. Guan; H. Z. Cui; E. H. Han
2014
Source PublicationCorrosion Science
ISSN0010-938X
Volume86Pages:171-182
AbstractThe effects of anions in saline solutions on the corrosion behaviour of magnesium alloy AZ31 were investigated using hydrogen evolution, pH and potentiodynamic measurements. The results demonstrated that adding bicarbonate and sulphate ions to saline solution accelerated the corrosion, whereas hydrogen phosphate and dihydrogen phosphate retarded the corrosion and decreased the open-circuit potentials. A model involving the magnesium hydroxide and magnesium carbonate film formation mechanism was proposed. The change in the solution pH over time did not reflect the corrosion rates of the magnesium alloys due to the influence of anions. (C) 2014 Elsevier Ltd. All rights reserved.
description.department[zeng, rong-chang ; hu, yan ; cui, hong-zhi] shandong univ sci & technol, coll mat sci & engn, qingdao 266590, peoples r china. [zeng, rong-chang ; han, en-hou] chinese acad sci, inst met res, state key lab corros & protect, shenyang 110016, peoples r china. [guan, shao-kang] zhengzhou univ, sch mat sci & engn, zhengzhou 450002, peoples r china. ; zeng, rc (reprint author), shandong univ sci & technol, coll mat sci & engn, qingdao 266590, peoples r china. ; rczeng@gmail.com ; cuihongzhi1965@163.com
KeywordMagnesium Alloy Polarisation Sem Simulated Body-fluids Pure Magnesium Ph Values Mg Behavior Bioactivity Resistance Az91d
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/73481
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
R. C. Zeng,Y. Hu,S. K. Guan,et al. Corrosion of magnesium alloy AZ31: The influence of bicarbonate, sulphate, hydrogen phosphate and dihydrogen phosphate ions in saline solution[J]. Corrosion Science,2014,86:171-182.
APA R. C. Zeng,Y. Hu,S. K. Guan,H. Z. Cui,&E. H. Han.(2014).Corrosion of magnesium alloy AZ31: The influence of bicarbonate, sulphate, hydrogen phosphate and dihydrogen phosphate ions in saline solution.Corrosion Science,86,171-182.
MLA R. C. Zeng,et al."Corrosion of magnesium alloy AZ31: The influence of bicarbonate, sulphate, hydrogen phosphate and dihydrogen phosphate ions in saline solution".Corrosion Science 86(2014):171-182.
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