Embedded Microelectrode for In situ Electrochemical Impedance Spectroscopy Measurement of Organic Coating Under Marine Alternating Hydrostatic Pressure

doi:10.11902/1005.4537.2016.197

Journal of Chinese Society for Corrosion and protection

2017, Vol. 37

Issue (6): 561-566 DOI: 10.11902/1005.4537.2016.197

Current Issue | Archive | Adv Search

Embedded Microelectrode for In situ Electrochemical Impedance Spectroscopy Measurement of Organic Coating Under Marine Alternating Hydrostatic Pressure

Fandi MENG¹, Li LIU¹(

), Ying LI¹, Fuhui WANG^1,²

1 Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China
2 Corrosion and Protection Division, Shenyang National Laboratory for Materials Science, School of Materials Science and Engineering, Northeastern University, Shenyang 110819, China

Download:

HTML

PDF(2366KB)
Export: BibTeX | EndNote (RIS)

Abstract

A kind of circular loop microelectrode was designed and embedded in the coating body during coating fabrication. Then a novel electrochemical impedance spectroscopy (EIS) measurement system was developed based on the embedded-microelectrode (EM), which was suitable for in situ evaluation of the coating in alternating hydrostatic pressured (AHP) sea-water with the purpose of simulation of deep sea environments. The results showed that EM could avoid difficulties related with the installation of an external electrode and could overcome drawbacks that the detected signals of the corrosion of metal beneath thick coatings was too weak for the field measurement by an external electrode. Therefore, the EM can be utilized in high hydrostatic pressured or AHP sea-water environment. The EIS results of the EM system were consistent well with those of the traditional three-electrode measuring device. Consequently, the validity and reliability of EM were reasonably confirmed.

Key words: embedded-microelectrode electrochemical impedance spectroscopy alternating hydrostatic pressure organic coating

Received: 09 October 2016

ZTFLH:

TG174.4

	Service

	E-mail this article
	Add to citation manager
	E-mail Alert
	RSS
	（）
	Articles by authors
	Fandi MENG
	Li LIU
	Ying LI
	Fuhui WANG

Cite this article:

Fandi MENG, Li LIU, Ying LI, Fuhui WANG. Embedded Microelectrode for In situ Electrochemical Impedance Spectroscopy Measurement of Organic Coating Under Marine Alternating Hydrostatic Pressure. Journal of Chinese Society for Corrosion and protection, 2017, 37(6): 561-566.

URL:

https://www.jcscp.org/EN/10.11902/1005.4537.2016.197 OR https://www.jcscp.org/EN/Y2017/V37/I6/561

Fig.1 Schematic diagrams of embedded microelectrode between outer and inner coating layers: (a) top view, (b) cross-section view

Fig.2 Schematic diagram of two-embedded-microelectrodes configuration for EIS measurement

Fig.3 Nyquist plots of the coating with and without two embedded microelectrodes after immersion for 2 h (a), 26 h (b) and 236 h (c)

Table 1 |Z |_{0.01 Hz} values of two kinds of specimens immersed for different time(Ωcm²)

Table 2 |Z |_{0.01 Hz} values of the coating with and without two embedded microelectrodes after immersion for different time(Ωcm²)

Fig.4 Variations of impedance modulus of the coating with microelectrode configuration in alternating hydrostatic pressure (AHP) accelerated tests under alternating pressures of 0.1~3.5 MPa (a), 0.1~6.0 MPa (b), 0.1~8.1 MPa (c) and 0.1~10.0 MPa (d)

Fig.5 Macroscopic surface morphologies of the steel substrate (the coating has been removed) after AHP accelerated tests for 240 h under alternating pressures of 0.1~3.5 MPa (a), 0.1~6.0 MPa (b), 0.1~8.1 MPa (c) and 0.1~10.0 MPa (d)

[1]	Akbarinezhad E, Bahremandi M, Faridi H R, et al.Another approach for ranking and evaluating organic paint coatings via electrochemical impedance spectroscopy[J]. Corros. Sci., 2009, 51: 356
[2]	Nikravesh B, Ramezanzadeh B, Sarabi A A, et al.Evaluation of the corrosion resistance of an epoxy-polyamide coating containing different ratios of micaceous iron oxide/Al pigments[J]. Corros. Sci., 2011, 53: 1592
[3]	Tian W L, Meng F D, Liu L, et al.The failure behaviour of a commercial highly pigmented epoxy coating under marine alternating hydrostatic pressure[J]. Prog. Org. Coat., 2015, 82: 101
[4]	Tian W L, Liu L, Meng F D, et al.The failure behaviour of an epoxy glass flake coating/steel system under marine alternating hydrostatic pressure[J]. Corros. Sci., 2014, 86: 81
[5]	Meng F D, Liu L, Tian W L, et al.The influence of the chemically bonded interface between fillers and binder on the failure behaviour of an epoxy coating under marine alternating hydrostatic pressure[J]. Corros. Sci., 2015, 101: 139
[6]	Liu L, Cui Y, Li Y, et al.Failure behavior of nano-SiO2 fillers epoxy coating under hydrostatic pressure[J]. Electrochim. Acta, 2012, 62: 42
[7]	Mansfeld F, Tsai C H.Determination of coating deterioration with EIS: I basic relationships[J]. Corrosion, 1991, 47: 958
[8]	Titz J, Wagner G H, Sp?hn H, et al.Characterization of organic coatings on metal substrates by electrochemical impedance spectroscopy[J]. Corrosion, 1990, 46: 221
[9]	Liu B, Wang H B, Fang Z G.Development trends of anti-corrosion coatings for naval vessels[J]. Corros. Sci. Prot. Technol., 2007, 19: 287(刘斌, 王虹斌, 方志刚. 舰艇防腐蚀涂料的发展方向[J]. 腐蚀科学与防护技术, 2007, 19: 287)
[10]	Simpson T C, Moran P J, Hampel H, et al.Electrochemical monitoring of organic coating degradation during atmospheric or vapor phase exposure[J]. Corrosion, 1990, 46: 331
[11]	Curioni M, Cottis R A, Thompson G E.Interpretation of electrochemical noise generated by multiple electrodes[J]. Corrosion, 2013, 69: 158
[12]	Maile F J, Schauer T, Eisenbach C D.Evaluation of corrosion and protection of coated metals with local ion concentration technique (LICT)[J]. Prog. Org. Coat., 2000, 38: 111
[13]	Panova A A, Pantano P, Walt D R.In situ fluorescence imaging of localized corrosion with a pH-sensitive imaging fiber[J]. Anal. Chem., 1997, 69: 1635
[14]	Xiang J, Liu B, Liu B, et al.A self-terminated electrochemical fabrication of electrode pairs with angstrom-sized gaps[J]. Electrochem. Commun., 2006, 8: 577
[15]	Chen L C, Ho K C.Interpretations of voltammograms in a typical two-electrode cell: Application to complementary electrochromic systems[J]. Electrochim. Acta, 2001, 46: 2159

[1]	CAO Jingyi, WANG Zhiqiao, LI Liang, MENG Fandi, LIU Li, WANG Fuhui. Failure Mechanism of Organic Coating with Modified Graphene Under Simulated Deep-sea Alternating Hydrostatic Pressure[J]. 中国腐蚀与防护学报, 2020, 40(2): 139-145.
[2]	Xia WANG,Shuaifei REN,Daixiong ZHANG,Huan JIANG,Yue GU. Inhibition Effect of Soybean Meal Extract on Corrosion of Q235 Steel in Hydrochloric Acid Medium[J]. 中国腐蚀与防护学报, 2019, 39(3): 267-273.
[3]	Bo DA,Hongfa YU,Haiyan MA,Zhangyu WU. Equivalent Electrical Circuits Fitting of Electrochemical Impedance Spectroscopy for Rebar Steel Corrosion of Coral Aggregate Concrete[J]. 中国腐蚀与防护学报, 2019, 39(3): 260-266.
[4]	Bo DA,Hongfa YU,Haiyan MA,Zhangyu WU. Influence of Inhibitors on Reinforced Bar Corrosion of Coral Aggregate Seawater Concrete[J]. 中国腐蚀与防护学报, 2019, 39(2): 152-159.
[5]	Xiuling LAN,Guangming LIU,Jiesheng ZHOU,Zhilei LIU,Shusen PENG,Maodong LI. Preparation and Properties of Organosilicone/SiO₂Hybrid Sol Modified Acrylic Resin[J]. 中国腐蚀与防护学报, 2018, 38(6): 601-606.
[6]	Peichang DENG, Quanbing LIU, Ziyun LI, Gui WANG, Jiezhen HU, Xie WANG. Corrosion Behavior of X70 Pipeline Steel in the Tropical Juncture Area of Seawater-Sea Mud[J]. 中国腐蚀与防护学报, 2018, 38(5): 415-423.
[7]	Sanxi DENG, Xiaoyu YAN, Ke CHAI, Jinyi WU, Hongwei SHI. *Effect of Pseudomonas* sp. on Decomposition and Anticorrosion Behavior of Polysiloxane Varnish Coating**[J]. 中国腐蚀与防护学报, 2018, 38(4): 326-332.
[8]	Haijiao CAO, Yinghua WEI, Hongtao ZHAO, Chenxi LV, Yaozong MAO, Jing LI. Effect of Preheating Time on Protective Performance of Fusion Bonded Epoxy Powder Coating on Q345 Steel II: Failure Behavior Analysis of Coating[J]. 中国腐蚀与防护学报, 2018, 38(3): 255-264.
[9]	Qi GUI, Dajiang ZHENG, Guangling SONG. Electrochemically Accelerated Evaluation of Protectiveness for an Alkyd Varnish Coating[J]. 中国腐蚀与防护学报, 2018, 38(3): 274-282.
[10]	Meng MEI, Hongai ZHENG, Huida CHEN, Ming ZHANG, Daquan ZHANG. Effect of Sulfate Reducing Bacteria on Corrosion Behavior of Cu in Circulation Cooling Water System[J]. 中国腐蚀与防护学报, 2017, 37(6): 533-539.
[11]	Jun WANG, Chao FENG, Bicao PENG, Yi XIE, Minghua ZHANG, Tangqing WU. Corrosion Behavior of Weld Joint of S450EW Steel in NaHSO₃ Solution[J]. 中国腐蚀与防护学报, 2017, 37(6): 575-582.
[12]	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.
[13]	Zhenning CHEN,Rihui CHEN,Jinjie PAN,Yanna TENG,Xingyue YONG. Organic/inorganic Compound Corrosion Inhibitor of L921A Steel in NaCl Solution[J]. 中国腐蚀与防护学报, 2017, 37(5): 473-478.
[14]	Yalin CHEN, Wei ZHANG, Qi WANG, Jia WANG. Debonding Mechanism of Organic Coating with Artificial Defect in Areas Nearby Water-line in 3.5%NaCl Solution by WBE Technique-II[J]. 中国腐蚀与防护学报, 2017, 37(4): 322-328.
[15]	Hongyang GAO,Wei WANG,Likun XU,Li MA,Zhangji YE,Xiangbo LI. Degradation Behavior of a Modified Epoxy Coating in Simulated Deep-sea Environment[J]. 中国腐蚀与防护学报, 2017, 37(3): 247-263.

No Suggested Reading articles found!

Viewed

Full text

Abstract

Cited

Shared

Discussed