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Degradation mechanism of micro-arc oxidation coatings on biodegradable Mg-Ca alloys: The influence of porosity
Cui, Lan-Yue; Zeng, Rong-Chang; Guan, Shao-Kang; Qi, Wei-Chen; Zhang, Fen; Li, Shuo-Qi; Han, En-Hou; Zeng, RC (reprint author), Shandong Univ Sci & Technol, Coll Mat Sci & Engn, Qingdao 266590, Peoples R China.
2017-02-25
Source PublicationJOURNAL OF ALLOYS AND COMPOUNDS
ISSN0925-8388
Volume695Pages:2464-2476
AbstractThe morphology, porosity and corrosion resistance of MAO coatings on as-extruded Mg-Ca alloys were analysed using SEM, XRD, EDS and electrochemical tests. The roles of non-through and through-pores in the MAO coating were identified. The results demonstrated that the corrosion resistance of the MAO-coated Mg-Ca alloys is related to the corrosion resistance of the substrates, the porosity of the MAO coating and the galvanic effect. Chemical and electrochemical corrosion alternately occurred on the MAO coatings. The alternating chemical and electrochemical corrosion mechanisms for the MAO coating are discussed. (C) 2016 Elsevier B.V. All rights reserved.; The morphology, porosity and corrosion resistance of MAO coatings on as-extruded Mg-Ca alloys were analysed using SEM, XRD, EDS and electrochemical tests. The roles of non-through and through-pores in the MAO coating were identified. The results demonstrated that the corrosion resistance of the MAO-coated Mg-Ca alloys is related to the corrosion resistance of the substrates, the porosity of the MAO coating and the galvanic effect. Chemical and electrochemical corrosion alternately occurred on the MAO coatings. The alternating chemical and electrochemical corrosion mechanisms for the MAO coating are discussed. (C) 2016 Elsevier B.V. All rights reserved.
description.department[cui, lan-yue ; zeng, rong-chang ; qi, wei-chen ; zhang, fen ; li, shuo-qi] shandong univ sci & technol, coll mat sci & engn, qingdao 266590, peoples r china ; [cui, lan-yue ; zeng, rong-chang ; qi, wei-chen ; zhang, fen ; li, shuo-qi] shandong univ sci & technol, state key lab min disaster prevent & control, shandong prov & minist sci & technol, qingdao 266590, peoples r china ; [guan, shao-kang] zhengzhou univ, sch mat sci & engn, zhengzhou 450002, peoples r china ; [han, en-hou] chinese acad sci, inst met res, shenyang 110016, peoples r china
KeywordMetals And Alloys Thin Films Corrosion Oxidation Sem
Subject AreaChemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
Funding OrganizationNational Natural Science Foundation of China [51571134]; SDUST Research Fund [2014TDJH104]
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/78283
Collection中国科学院金属研究所
Corresponding AuthorZeng, RC (reprint author), Shandong Univ Sci & Technol, Coll Mat Sci & Engn, Qingdao 266590, Peoples R China.
Recommended Citation
GB/T 7714
Cui, Lan-Yue,Zeng, Rong-Chang,Guan, Shao-Kang,et al. Degradation mechanism of micro-arc oxidation coatings on biodegradable Mg-Ca alloys: The influence of porosity[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2017,695:2464-2476.
APA Cui, Lan-Yue.,Zeng, Rong-Chang.,Guan, Shao-Kang.,Qi, Wei-Chen.,Zhang, Fen.,...&Zeng, RC .(2017).Degradation mechanism of micro-arc oxidation coatings on biodegradable Mg-Ca alloys: The influence of porosity.JOURNAL OF ALLOYS AND COMPOUNDS,695,2464-2476.
MLA Cui, Lan-Yue,et al."Degradation mechanism of micro-arc oxidation coatings on biodegradable Mg-Ca alloys: The influence of porosity".JOURNAL OF ALLOYS AND COMPOUNDS 695(2017):2464-2476.
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