恒流模式下电流密度对镁合金微弧氧化陶瓷层组织结构与腐蚀降解性能的影响Effect of current density on microstructure and corrosion degradation performance of magnesium alloy micro arc oxidation ceramic layer under constant current mode
韩旭,李均明,赵梓源,陈鼎
摘要(Abstract):
微弧氧化处理可提高镁合金的降解性能,由于微弧氧化陶瓷层的生长特性,不同电参数条件下制备的等厚度氧化层的性能存在较大差异。在恒流输出模式下,研究了电流密度对镁合金微弧氧化陶瓷层组织结构与腐蚀降解性能的影响。使用扫描电镜、能谱仪、X射线衍射仪、电化学工作站及浸泡析氢实验等研究了涂层表面的微观结构、相组成和耐腐蚀性。结果表明,当电流密度为5.0 A/dm~2时,镁合金微弧氧化陶瓷层的表面孔隙率最大但微孔分布均匀,涂层较致密,降解速率最低,耐蚀性能最好。
关键词(KeyWords): AZ31镁合金;微弧氧化;耐腐蚀性能
基金项目(Foundation):
作者(Author): 韩旭,李均明,赵梓源,陈鼎
DOI: 10.13289/j.issn.1009-6264.2024-0092
参考文献(References):
- [1] Staiger M P,Pietak A M,Huadmai J,et al. Magnesium and its alloys as orthopedic biomaterials:A review[J]. Biomaterials,2006,27(9):1728-1734.
- [2] Mukhametkalyev T M, Surmeneva M A, Vladescu A, et al. A biodegradable AZ91 magnesium alloy coated with a thin nanostructured hydroxyapatite for improving the corrosion resistance[J]. Materials Science and Engineering C,2017,75:95-103.
- [3] Zeng X,Wu G,Yao S. Formation by reactive magnetron sputtering of Ti N coating on Ti-implanted magnesium alloy[J]. Materials Letters,2006,60(17):2252-2255.
- [4] Li M,Cheng Y,Zheng Y F,et al. Plasma enhanced chemical vapor deposited silicon coatings on Mg alloy for biomedical application[J]. Surface and Coatings Technology,2013,228:S262-S265.
- [5] Rakesh K R,Srikanth B,Ramesh M R,et al. Laser surface modification of Mg-Zn-Gd alloy:microstructural,wettability and in vitro degradation aspects[J]. Materials Research Express,2018,5(12):126502.
- [6] Ma C P, Peng G, Li N, et al. Laser surface modification of Mg-Gd-Ca alloy for corrosion resistance and biocompatibility enhancement[J]. Applied Surface Science,2018,445:211-216.
- [7] Kumar S,Gupta R K,Archana K,et al. Development of ternary hydroxyapatite-Al2O3-TiO2 nanocomposite coating on Mg alloy by electrophoretic deposition method[J]. Journal of Materials Engineering and Performance,2023,33(10):5075-5084.
- [8] Ke C,Pohl K,Birbilis N,et al. Protective strontium phosphate coatings for magnesium biomaterials[J]. Materials Science and Technology,2014,30(5):521-526.
- [9] Gray-Munro J E,Strong M. The mechanism of deposition of calcium phosphate coatings from solution onto magnesium alloy AZ31[J]. Journal of Biomedical Materials Research Part A,2009,90(2):339-350.
- [10] Srinivasan P B,Liang J,Blawert C,et al. Characterization of calcium containing plasma electrolytic oxidation coatings on AM50magnesium alloy[J]. Applied Surface Science,2010,256(12):4017-4022.
- [11] Wang Y M,Wang F H,Xu M J,et al. Microstructure and corrosion behavior of coated AZ91 alloy by microarc oxidation for biomedical application[J]. Applied Surface Science,2009,255(22):9124-9131.
- [12] Degner J,Singer F,Cordero L,et al. Electrochemical investigations of magnesium in DMEM with biodegradable polycaprolactone coating as corrosion barrier[J]. Applied Surface Science,2013,282:264-270.
- [13] Chen Y,Song Y,Zhang S,et al. Interaction between a high purity magnesium surface and PCL and PLA coatings during dynamic degradation[J]. Biomedical Materials,2011,6(2):025005.
- [14] Jiang W,Tian Q,Vuong T,et al. Comparison study on four biodegradable polymer coatings for controlling magnesium degradation and human endothelial cell adhesion and spreading[J]. ACS Biomaterials Science&Engineering,2017,3(6):936-950.
- [15] Choi J B, Jang Y S, Mi Byeon S, et al. Effect of composite coating with poly-dopamine/PCL on the corrosion resistance of magnesium[J]. International Journal of Polymeric Materials and Polymeric Biomaterials,2019,68(6):328-337.
- [16] Sheng Y,Yang J,Zhao X,et al. Development and in vitro biodegradation of biomimetic zwitterionic phosphorylcholine chitosan coating on Zn1Mg alloy[J]. ACS Applied Materials&Interfaces,2020,12(49):54445-54458.
- [17] Kim Y K,Jang Y S,Kim S Y,et al. Functions achieved by the hyaluronic acid derivatives coating and hydroxide film on bioabsorbed Mg[J]. Applied Surface Science,2019,473:31-39.
- [18] Rafieerad A R, Ashra M R, Mahmoodian R, et al. Surface characterization and corrosion behavior of calcium phosphate-base composite layer on titanium and its alloys via plasma electrolytic oxidation:A review paper[J]. Materials Science and Engineering C,2015,57:397-413.
- [19] Wu Y,Wang Y M,Zhao D W,et al. In vivo study of microarc oxidation coated Mg alloy as a substitute for bone defect repairing:Degradation behavior,mechanical properties,and bone response[J]. Colloids and Surfaces B:Biointerfaces,2019,181:349-359.
- [20] Yao Z P,Li L L,Liu X R,et al. Preparation of ceramic conversion layers containing Ca and P on AZ91D Mg alloys by plasma electrolytic oxidation[J]. Surface Engineering,2010,26(5):317-320.
- [21] Gu Y,Bandopadhyay S,Chen C,et al. Long-term corrosion inhibition mechanism of microarc oxidation coated AZ31 Mg alloys for biomedical applications[J]. Materials&Design(1980-2015),2013,46:66-75.
- [22] Tang H,Han Y,Wu T,et al. Synthesis and properties of hydroxyapatite-containing coating on AZ31 magnesium alloy by micro-arc oxidation[J]. Applied Surface Science,2017,400:391-404.
- [23] Yang Y,Wu H. Effect of current density on corrosion resistance of micro-arc oxide coatings on magnesium alloy[J]. Transactions of Nonferrous Metals Society of China,2010,20:s688-s692.
- [24] Chang L,Cao F,Cai J S,et al. Influence of electric parameters on MAO of AZ91D magnesium alloy using alternative square-wave power source[J]. Transactions of Nonferrous Metals Society of China,2011,21(2):307-316.
- [25] Gu Y,Bandopadhyay S,Chen C,et al. Effect of oxidation time on the corrosion behavior of micro-arc oxidation produced AZ31magnesium alloys in simulated body fluid[J]. Journal of Alloys and Compounds,2012,543:109-117.
- [26] Fischerauer S F,Kraus T,Wu X,et al. In vivo degradation performance of micro-arc-oxidized magnesium implants:A micro-CT study in rats[J]. Acta Biomaterialia,2013,9(2):5411-5420.
文章评论(Comment):
|
||||||||||||||||||
|
||||||||||||||||||