Evaluation of Sealing Methods on Corrosion Behavior of LD7 Aluminum Alloy Anodic Oxide Films in NaCl Solution

J Chin Soc Corr Pro

2005, Vol. 25

Issue (6): 327-331 DOI:

Research Report

Current Issue | Archive | Adv Search

Evaluation of Sealing Methods on Corrosion Behavior of LD7 Aluminum Alloy Anodic Oxide Films in NaCl Solution

Lianpeng Tian;Yu Zuo;Jingmao Zhao;Jingping Xiong;Xiaofeng Zhang;Xvhui Zhao

北京化工大学材料科学与工程学院

Download:

PDF(146KB)
Export: BibTeX | EndNote (RIS)

Abstract Potentiodynamic polarization and electrochemical impedance spectroscopy (EIS) were used to study the influences of sealing methods on the corrosion behavior of anodic oxide film on LD7 aluminum alloy in NaCl solution. The anodic oxide films were sealed by the methods of boiling water, nickel fluoride, potassium dichromate and nickel acetate, respectively. The surface morphology was examined by scanning electron microscopy (SEM). The results show that nickel acetate sealed film provides relatively higher corrosion resistance both in acidic and in basic solutions, while boiling water and nickel fluoride sealed films is better in neutral solution. Potassium dichromate sealing method, which is very popular in the industry, could not provide good sealing quality for anodic oxide film on LD7 aluminum alloy in acidic, neutral and basic NaCl solutions.

Key words: LD7 aluminum alloy anodizing sealing EIS

Received: 21 June 2004

ZTFLH:

TG174

Corresponding Authors: Lianpeng Tian E-mail: lianptian@hotmail.com

	Service

	E-mail this article
	Add to citation manager
	E-mail Alert
	RSS
	（）
	Articles by authors
	Lianpeng Tian
	Yu Zuo
	Jingmao Zhao
	Jingping Xiong
	Xiaofeng Zhang
	Xvhui Zhao

Cite this article:

Lianpeng Tian; Yu Zuo; Jingmao Zhao; Jingping Xiong; Xiaofeng Zhang; Xvhui Zhao. Evaluation of Sealing Methods on Corrosion Behavior of LD7 Aluminum Alloy Anodic Oxide Films in NaCl Solution. J Chin Soc Corr Pro, 2005, 25(6): 327-331 .

URL:

https://www.jcscp.org/EN/ OR https://www.jcscp.org/EN/Y2005/V25/I6/327

[1]Vermilyea D A.Anodic films advances[J].Electrochem.Eng.,1963,3:211-217
[2]Patermarakis G,Papadreadis N.Effect of the structure of porous an-odic Al2O3films on the mechanism of their hydrothermal treatment[J].Electrochemica Acta,1993,38(10):1413-1420
[3]Thompson G E.Porous anodic alumina:abrication,characterizationand applications[J].Thin Solid Films,1997,297:192-201
[4]Skeldon P,Habazaki H,Thompson G E,et al.Formation of amor-phous anodic oxide films of controlled composition on aluminium al-loys[J].Thin Solid Films,1997,300:131-137
[5]Suay J J,Gimenez E.Characterization of anodized and sealed alu-minium by EIS[J].Corros.Sci.,2003.45:611-624
[6]Hao L,Cheng B R.Sealing processes of anodic coatings-past,pre-sent and future[J].Metal Finish,2000,12(8):8-18
[7]Zhao X H,Zuo Y,Zhao J M.Electrochemical properties of anodizedaluminum films in sodium chloride solution[J].Chin.J.Nonferr.Metal.,2004,14(4):562-567(赵旭辉,左禹,赵景茂.铝阳极氧化膜在NaCl溶液中的电化学性能[J].中国有色金属学报,2004,14(4):562-567)
[8]Zuo Y,Zhao P H,Zhao J M.The influences of sealing methods oncorrosion behavior of anodized aluminum alloys in NaCl solution[J].Surf.Coat.Technol.,2003,166:237-242
[9]Hitzig J,Juttner K,Lorenz W J,et al.AC-impedance measure-ments on porous aluminium oxide films[J].Corros.Sci.,1984,24(11/12):945-952

[1]	YUE Liangliang, MA Baoji. Effect of Ultrasonic Surface Rolling Process on Corrosion Behavior of AZ31B Mg-alloy[J]. 中国腐蚀与防护学报, 2020, 40(6): 560-568.
[2]	HU Lulu, ZHAO Xuyang, LIU Pan, WU Fangfang, ZHANG Jianqing, LENG Wenhua, CAO Fahe. Effect of AC Electric Field and Thickness of Electrolyte Film on Corrosion Behavior of A6082-T6 Al Alloy[J]. 中国腐蚀与防护学报, 2020, 40(4): 342-350.
[3]	WANG Yingjun, LIU Honglei, WANG Guojun, DONG Kaihui, SONG Yingwei, NI Dingrui. Investigation of Anodic Film on a Novel RE-containing Al-Alloy Al-Zn-Mg-Cu-Sc[J]. 中国腐蚀与防护学报, 2020, 40(2): 131-138.
[4]	Jie ZHANG, Xiuhua HU, Chuanbo ZHENG, Jizhou DUAN, Baorong HOU. Influence of Calcareous Deposit on Corrosion Behavior of Q235 Carbon Steel in Marine Microalgae Containing Medium[J]. 中国腐蚀与防护学报, 2018, 38(1): 18-25.
[5]	Xiaofei CUI, Xiaoming TAN, De WANG, Ang QIAN. Assessment of Aging Performance of Polyurethane Coating for 7B04 Al-alloy with an Accelerated Testing Spectrum[J]. 中国腐蚀与防护学报, 2018, 38(1): 74-80.
[6]	Jia WANG, Mengyang JIA, Zhaohui YANG, Bing HAN. On Completeness of EIS Equivalent Circuit Analysis for Electrochemical Corrosion Process[J]. 中国腐蚀与防护学报, 2017, 37(6): 479-486.
[7]	Guangyi CAI,Haowei WANG,Weihang ZHAO,Zehua DONG. Effect of Nano-CeO₂ on Anticorrosion Performance for Polyurethane Coating[J]. 中国腐蚀与防护学报, 2017, 37(5): 411-420.
[8]	Juan ZHANG,Ziqiang LIU,Tao FENG,Shifeng WEN,Ruiqing CHEN. Effect of Carbon Nanotube on Properties of Epoxy Coating[J]. 中国腐蚀与防护学报, 2017, 37(3): 254-260.
[9]	Herong ZHOU,Bihua HU,Wang YAO,Xinpei HONG,Shupeng SONG. Atmospheric Corrosion of Anodized Pure Al 1060, Al-alloys 2A12 and 7A04 Exposed to Polluted Atmospheric Environment at Jiangjin Region[J]. 中国腐蚀与防护学报, 2017, 37(3): 273-278.
[10]	Shuangqing SUN,Qifei ZHENG,Chunling LI,Xiumin WANG,Songqing HU. Effect of Corrosion Products on Long-term Atmospheric Corrosion of Pure Aluminum 8A06[J]. 中国腐蚀与防护学报, 2017, 37(2): 110-116.
[11]	Weihang MIAO,Wenbin HU,Zhiming GAO,Xiangang KONG,Ru ZHAO,Junwu TANG. Corrosion Behavior of 304SS in Simulated Pore Solution of Concrete for Use in Marine Environment[J]. 中国腐蚀与防护学报, 2016, 36(6): 543-548.
[12]	Yongsheng HAO,Abdullahi SANI Luqman,Lixin SONG,Guobao XU,Tiejun GE,Qinghong FANG. Corrosion Inhibition Effect of Phytic Acid Conversion Coating Formed on Q235 Carbon Steel in Acidic and Neutral Solutions[J]. 中国腐蚀与防护学报, 2016, 36(6): 549-558.
[13]	Siqi WANG,Liwei ZHU,Fuchun LIU,En-Hou HAN,Zhenyu WANG,Zhouhai QIAN. Effect of Phosphoric Acid on Corrosion Performance of Vinyl Chloride-acrylic Copolymer Coating on Rust Steel[J]. 中国腐蚀与防护学报, 2016, 36(3): 281-286.
[14]	Min ZHENG,Qichao ZHANG,Yanliang HUANG,Dongzhu LU,Xiuming YU,Yuemiao LIU. Determination of Representative Ground-water for Corrosion Assessment of Candidate Materials Used in Beishan Area Preselected for High-level Radioactive Waste Disposal Repository[J]. 中国腐蚀与防护学报, 2016, 36(2): 185-190.
[15]	Yanjie LIU,Zhenyao WANG,Wei KE. Characterization of Corrosion Products on Pure Al Exposed in Atmospheres at Typical Rural, Industrial and Coastal Areas in China[J]. 中国腐蚀与防护学报, 2016, 36(1): 47-51.

No Suggested Reading articles found!

Viewed

Full text

Abstract

Cited

Shared

Discussed