Citation:
LUO Hai-He, CAI Qi-Zhou, WEI Bo-Kang, YU Bo, HE Jian, LI Ding-Jun. Effect of (NaPO3)6 on Electrochemical Corrosion Characteristic of Micro-arc Oxidation Ceramic Coatings Formed on AZ91DMg Alloy[J]. Acta Physico-Chimica Sinica,
;2008, 24(03): 481-486.
doi:
10.3866/PKU.WHXB20080323
-
(NaPO3)6 was added to Na2SiO3-KOH electrolyte system, and in-situ ceramic coatings were prepared on AZ91D magnesium alloy by micro-arc oxidation technique. Room temperature electrochemical behavior of the ceramic coatings, formed in electrolyte with and without (NaPO3)6, in NaCl (w=3.5%) solution was studied by potentiodynamic polarization and electrochemical impedance spectroscopy (EIS). The results showed that the ceramic coating formed in electrolyte containing (NaPO3)6 indicated a considerable increase in corrosion potential and a remarkable decrease in corrosion current density compared to the bare AZ91D magnesium alloy. The main cause was that the addition of (NaPO3)6 increased oxygen vacancies on the Mg substrate surface and the content of PO3-4 in the electrolyte. As a result, the (NaPO3)6-addition speeded up the formation of Mg oxide at the interface between metal and ceramic film(coating) (M/F), and increased the thickness and compactness of the ceramic coating. Based on the studied electrochemical reaction system and the special structure of the ceramic coating, a reasonable equivalent circuit was established. Combining with the EIS data, the effect mechanismof (NaPO3)6-addition on improving the electrochemical corrosion resistance of the ceramic coatings was investigated.
-
-
-
-
[1]
Yixuan Wang , Canhui Zhang , Xingkun Wang , Jiarui Duan , Kecheng Tong , Shuixing Dai , Lei Chu , Minghua Huang . Engineering Carbon-Chainmail-Shell Coated Co9Se8 Nanoparticles as Efficient and Durable Catalysts in Seawater-Based Zn-Air Batteries. Acta Physico-Chimica Sinica, 2024, 40(6): 2305004-0. doi: 10.3866/PKU.WHXB202305004
-
[2]
Lingbang Qiu , Jiangmin Jiang , Libo Wang , Lang Bai , Fei Zhou , Gaoyu Zhou , Quanchao Zhuang , Yanhua Cui . In Situ Electrochemical Impedance Spectroscopy Monitoring of the High-Temperature Double-Discharge Mechanism of Nb12WO33 Cathode Material for Long-Life Thermal Batteries. Acta Physico-Chimica Sinica, 2025, 41(5): 100040-0. doi: 10.1016/j.actphy.2024.100040
-
[3]
Yong Zhou , Jia Guo , Yun Xiong , Luying He , Hui Li . Comprehensive Teaching Experiment on Electrochemical Corrosion in Galvanic Cell for Chemical Safety and Environmental Protection Course. University Chemistry, 2024, 39(7): 330-336. doi: 10.3866/PKU.DXHX202310109
-
[4]
Linbao Zhang , Weisi Guo , Shuwen Wang , Ran Song , Ming Li . Electrochemical Oxidation of Sulfides to Sulfoxides. University Chemistry, 2024, 39(11): 204-209. doi: 10.3866/PKU.DXHX202401009
-
[5]
Yue-Zhou Zhu , Kun Wang , Shi-Sheng Zheng , Hong-Jia Wang , Jin-Chao Dong , Jian-Feng Li . Application and Development of Electrochemical Spectroscopy Methods. Acta Physico-Chimica Sinica, 2024, 40(3): 2304040-0. doi: 10.3866/PKU.WHXB202304040
-
[6]
Li Jiang , Changzheng Chen , Yang Su , Hao Song , Yanmao Dong , Yan Yuan , Li Li . Electrochemical Synthesis of Polyaniline and Its Anticorrosive Application: Improvement and Innovative Design of the “Chemical Synthesis of Polyaniline” Experiment. University Chemistry, 2024, 39(3): 336-344. doi: 10.3866/PKU.DXHX202309002
-
[7]
Kai PENG , Xinyi ZHAO , Zixi CHEN , Xuhai ZHANG , Yuqiao ZENG , Jianqing JIANG . Progress in the application of high-entropy alloys and high-entropy ceramics in water electrolysis. Chinese Journal of Inorganic Chemistry, 2025, 41(7): 1257-1275. doi: 10.11862/CJIC.20240454
-
[8]
Zhihuan XU , Qing KANG , Yuzhen LONG , Qian YUAN , Cidong LIU , Xin LI , Genghuai TANG , Yuqing LIAO . Effect of graphene oxide concentration on the electrochemical properties of reduced graphene oxide/ZnS. Chinese Journal of Inorganic Chemistry, 2024, 40(7): 1329-1336. doi: 10.11862/CJIC.20230447
-
[9]
Bo YANG , Gongxuan LÜ , Jiantai MA . Corrosion inhibition of nickel-cobalt-phosphide in water by coating TiO2 layer. Chinese Journal of Inorganic Chemistry, 2025, 41(2): 365-384. doi: 10.11862/CJIC.20240063
-
[10]
Zhaoyu Wen , Na Han , Yanguang Li . Recent Progress towards the Production of H2O2 by Electrochemical Two-Electron Oxygen Reduction Reaction. Acta Physico-Chimica Sinica, 2024, 40(2): 2304001-0. doi: 10.3866/PKU.WHXB202304001
-
[11]
Xuechen Hu , Qiuying Xia , Fan Yue , Xinyi He , Zhenghao Mei , Jinshi Wang , Hui Xia , Xiaodong Huang . Electrochemical Characteristics of LiNbO3 Anode Film and Its Applications in All-Solid-State Thin-Film Lithium-Ion Battery. Acta Physico-Chimica Sinica, 2024, 40(2): 2309046-0. doi: 10.3866/PKU.WHXB202309046
-
[12]
Xiaofeng Zhu , Bingbing Xiao , Jiaxin Su , Shuai Wang , Qingran Zhang , Jun Wang . Transition Metal Oxides/Chalcogenides for Electrochemical Oxygen Reduction into Hydrogen Peroxides. Acta Physico-Chimica Sinica, 2024, 40(12): 2407005-0. doi: 10.3866/PKU.WHXB202407005
-
[13]
Caixia Lin , Zhaojiang Shi , Yi Yu , Jianfeng Yan , Keyin Ye , Yaofeng Yuan . Ideological and Political Design for the Electrochemical Synthesis of Benzoxathiazine Dioxide Experiment. University Chemistry, 2024, 39(2): 61-66. doi: 10.3866/PKU.DXHX202309005
-
[14]
Qianwen Han , Tenglong Zhu , Qiuqiu Lü , Mahong Yu , Qin Zhong . Performance and Electrochemical Asymmetry Optimization of Hydrogen Electrode Supported Reversible Solid Oxide Cell. Acta Physico-Chimica Sinica, 2025, 41(1): 100005-0. doi: 10.3866/PKU.WHXB202309037
-
[15]
Wentao Xu , Xuyan Mo , Yang Zhou , Zuxian Weng , Kunling Mo , Yanhua Wu , Xinlin Jiang , Dan Li , Tangqi Lan , Huan Wen , Fuqin Zheng , Youjun Fan , Wei Chen . Bimetal Leaching Induced Reconstruction of Water Oxidation Electrocatalyst for Enhanced Activity and Stability. Acta Physico-Chimica Sinica, 2024, 40(8): 2308003-0. doi: 10.3866/PKU.WHXB202308003
-
[16]
Xiaofei Liu , He Wang , Li Tao , Weimin Ren , Xiaobing Lu , Wenzhen Zhang . Electrocarboxylation of Benzylic Phosphates and Phosphinates with Carbon Dioxide. Acta Physico-Chimica Sinica, 2024, 40(9): 2307008-0. doi: 10.3866/PKU.WHXB202307008
-
[17]
Xi Xu , Chaokai Zhu , Leiqing Cao , Zhuozhao Wu , Cao Guan . Experiential Education and 3D-Printed Alloys: Innovative Exploration and Student Development. University Chemistry, 2024, 39(2): 347-357. doi: 10.3866/PKU.DXHX202308039
-
[18]
Xinpeng LIU , Liuyang ZHAO , Hongyi LI , Yatu CHEN , Aimin WU , Aikui LI , Hao HUANG . Ga2O3 coated modification and electrochemical performance of Li1.2Mn0.54Ni0.13Co0.13O2 cathode material. Chinese Journal of Inorganic Chemistry, 2024, 40(6): 1105-1113. doi: 10.11862/CJIC.20230488
-
[19]
Lina Guo , Ruizhe Li , Chuang Sun , Xiaoli Luo , Yiqiu Shi , Hong Yuan , Shuxin Ouyang , Tierui Zhang . Effect of Interlayer Anions in Layered Double Hydroxides on the Photothermocatalytic CO2 Methanation of Derived Ni-Al2O3 Catalysts. Acta Physico-Chimica Sinica, 2025, 41(1): 100002-0. doi: 10.3866/PKU.WHXB202309002
-
[20]
Zhiyuan TONG , Ziyuan LI , Ke ZHANG . Three-dimensional porous collector based on Cu-Li6.4La3Zr1.4Ta0.6O12 composite layer for the construction of stable lithium metal anode. Chinese Journal of Inorganic Chemistry, 2025, 41(3): 499-508. doi: 10.11862/CJIC.20240238
-
[1]
Metrics
- PDF Downloads(2344)
- Abstract views(3604)
- HTML views(20)