Influence of micro-arc oxidation on the microstructure and dielectric properties of anodic aluminum oxide

被引：1

作者：

Qin, Liyang ^{[1
]}

Fu, Zhongyou ^{[1
]}

Liu, Lin ^{[2
]}

Han, Xiuhao ^{[1
]}

Ma, Juanjuan ^{[2
]}

Li, Bowen ^{[1
]}

Zhu, Xufei ^{[1
]}

机构：

[1] Nanjing Univ Sci & Technol, Key Lab Soft Chem & Funct Mat, Educ Minist, Nanjing 210094, Peoples R China

[2] Jiangsu Ocean Univ, Sch Environm & Chem Engn, Lianyungang 222005, Peoples R China

来源：

SCIENTIFIC REPORTS | 2024年 / 14卷 / 01期

基金：

中国国家自然科学基金;

关键词：

Micro-arc oxidation; Conventional anodic oxidation; Microstructure; Electronic Current; TITANIUM;

D O I：

10.1038/s41598-024-74827-1

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

To improve the dielectric performance of the anodic alumina film used in aluminum electrolytic capacitors, this study comparatively investigated the microstructure and dielectric properties of anodic aluminum oxide obtained through micro-arc oxidation (MAO) and conventional anodic oxidation (CAO). It is found that from the perspective of microstructure, the internal structure of the MAO treated oxide film has more and larger pores than that of CAO. This was attributed to the generation and overflow of numerous oxygen bubbles from within the oxide film at the locations where plasma sparks occurred during the process, thus forming larger pores. Regarding dielectric properties, the leakage current of the oxide film after MAO treatment was significantly reduced compared to CAO, with reductions of 58%, 56%, 64%, and 74% for the tested electrolytes Y1-Y4, respectively.

引用

页数：8

共 33 条

[1] Capacitor ripple reduction in T-type multilevel inverter operation for solar PV-application [J].

Ali, Mohammad ;

Hossain, Md Ismail ;

Al-Ismail, Fahad Saleh ;

Abido, Mohammad Ali ;

Khalid, Muhammad .

ALEXANDRIA ENGINEERING JOURNAL, 2023, 77 :613-624

[2] Spontaneous Formation of Ordered Nanobubbles in Anodic Tungsten Oxide during Anodization [J].

Chen, Wei-Hsun ;

Lai, Ming-Yu ;

Tsai, Kun-Tong ;

Liu, Chih-Yi ;

Wang, Yuh-Lin .

JOURNAL OF PHYSICAL CHEMISTRY C, 2011, 115 (38) :18406-18411

[3] Growth mechanisms of Ca- and P-rich MAO films in Ti-15Zr-xMo alloys for osseointegrative implants [J].

Correa, D. R. N. ;

Rocha, L. A. ;

Ribeiro, A. R. ;

Gemini-Piperni, S. ;

Archanjo, B. S. ;

Achete, C. A. ;

Werckmann, J. ;

Afonso, C. R. M. ;

Shimabukuro, M. ;

Doi, H. ;

Tsutsumi, Y. ;

Hanawa, T. .

SURFACE & COATINGS TECHNOLOGY, 2018, 344 :373-382

[4] Fabrication and characterization of the hierarchical AAO film and AAO-MnO2 composite as the anode foil of aluminum electrolytic capacitor [J].

Du, Xiaoqing ;

Cai, Danmin ;

Ou, Qixiang ;

Chen, Dongchu ;

Zhang, Zhao ;

Liang, Pei .

SURFACE & COATINGS TECHNOLOGY, 2021, 419

[5] Evidence of oxygen bubbles forming nanotube embryos in porous anodic oxides [J].

Gong, Tianle ;

Li, Chengyuan ;

Li, Xin ;

Yue, Hangyu ;

Zhu, Xufei ;

Zhao, Ziyu ;

Lv, Renquan ;

Zhu, Junwu .

NANOSCALE ADVANCES, 2021, 3 (16) :4659-4668

[6] Hard acid-hard base interactions responsible for densification of alumina layer for superior electrochemical performance [J].

Hussain, Tassawar ;

Kaseem, Mosab ;

Ko, Young Gun .

CORROSION SCIENCE, 2020, 170

[7] Self-ordered nanospike porous alumina fabricated under a new regime by an anodizing process in alkaline media [J].

Iwai, Mana ;

Kikuchi, Tatsuya ;

Suzuki, Ryosuke O. .

SCIENTIFIC REPORTS, 2021, 11 (01)

[8] Novel interface engineering of LDH-based materials on Mg alloy for efficient photocatalytic systems considering the geometrical linearity of condensed phosphates [J].

Kaseem, Mosab ;

Safira, Ananda Repycha ;

Fattah-alhosseini, Arash .

JOURNAL OF MAGNESIUM AND ALLOYS, 2024, 12 (01) :267-280

[9] Tailored alumina coatings for corrosion inhibition considering the synergism between phosphate ions and benzotriazole [J].

Kaseem, Mosab ;

Hussain, Tassawar ;

Ko, Young Gun .

JOURNAL OF ALLOYS AND COMPOUNDS, 2020, 822

[10] Corrosion behavior of Al-1wt% Mg-0.85wt%Si alloy coated by micro-arc-oxidation using TiO2 and Na2MoO4 additives: Role of current density [J].

Kaseem, Mosab ;

Min, Ji Hoon ;

Ko, Young Gun .

JOURNAL OF ALLOYS AND COMPOUNDS, 2017, 723 :448-455

← 1 2 3 4 →