Corrosion behaviour of copper under chloride-containing thin electrolyte layer

► Corrosion behaviour of copper under thin electrolyte layers (TEL) with various thicknesses was investigated. ► Corrosion rate increases with decreasing layer thickness during the initial stage. ► Corrosion rate follows the order 300 > 402 > 199 > bulk solution > 101 μm after long time...

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Veröffentlicht in:Corrosion science 2011-10, Vol.53 (10), p.3289-3298
Hauptverfasser: Liao, Xiaoning, Cao, Fahe, Zheng, Liyun, Liu, Wenjuan, Chen, Anna, Zhang, Jianqing, Cao, Chunan
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container_end_page 3298
container_issue 10
container_start_page 3289
container_title Corrosion science
container_volume 53
creator Liao, Xiaoning
Cao, Fahe
Zheng, Liyun
Liu, Wenjuan
Chen, Anna
Zhang, Jianqing
Cao, Chunan
description ► Corrosion behaviour of copper under thin electrolyte layers (TEL) with various thicknesses was investigated. ► Corrosion rate increases with decreasing layer thickness during the initial stage. ► Corrosion rate follows the order 300 > 402 > 199 > bulk solution > 101 μm after long time immersion. ► A corrosion model of copper under chloride-containing TEL is proposed. The corrosion behaviour of copper under chloride-containing thin electrolyte layers (TEL) was investigated using electrochemical impedance spectroscopy (EIS), cathodic polarization, linear polarization, SEM/EDS and XRD. The results indicate that the copper corrosion rate increases as TEL thickness decreases during the initial stages. After 192 h of immersion, the corrosion rate of copper under TEL in this order: 300 > 402 > 199 > bulk solution > 101 μm. The corrosion behaviour is uniform under TEL, and pitting is the primary corrosion type in the bulk solution. A corrosion model of the behaviour of copper under chloride-containing TEL is proposed.
doi_str_mv 10.1016/j.corsci.2011.06.004
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The corrosion behaviour of copper under chloride-containing thin electrolyte layers (TEL) was investigated using electrochemical impedance spectroscopy (EIS), cathodic polarization, linear polarization, SEM/EDS and XRD. The results indicate that the copper corrosion rate increases as TEL thickness decreases during the initial stages. After 192 h of immersion, the corrosion rate of copper under TEL in this order: 300 &gt; 402 &gt; 199 &gt; bulk solution &gt; 101 μm. The corrosion behaviour is uniform under TEL, and pitting is the primary corrosion type in the bulk solution. A corrosion model of the behaviour of copper under chloride-containing TEL is proposed.</description><identifier>ISSN: 0010-938X</identifier><identifier>EISSN: 1879-0496</identifier><identifier>DOI: 10.1016/j.corsci.2011.06.004</identifier><identifier>CODEN: CRRSAA</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>A. Copper ; Applied sciences ; B. EIS ; B. Polarization ; C. 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The corrosion behaviour of copper under chloride-containing thin electrolyte layers (TEL) was investigated using electrochemical impedance spectroscopy (EIS), cathodic polarization, linear polarization, SEM/EDS and XRD. The results indicate that the copper corrosion rate increases as TEL thickness decreases during the initial stages. After 192 h of immersion, the corrosion rate of copper under TEL in this order: 300 &gt; 402 &gt; 199 &gt; bulk solution &gt; 101 μm. The corrosion behaviour is uniform under TEL, and pitting is the primary corrosion type in the bulk solution. A corrosion model of the behaviour of copper under chloride-containing TEL is proposed.</description><subject>A. Copper</subject><subject>Applied sciences</subject><subject>B. EIS</subject><subject>B. Polarization</subject><subject>C. 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The corrosion behaviour of copper under chloride-containing thin electrolyte layers (TEL) was investigated using electrochemical impedance spectroscopy (EIS), cathodic polarization, linear polarization, SEM/EDS and XRD. The results indicate that the copper corrosion rate increases as TEL thickness decreases during the initial stages. After 192 h of immersion, the corrosion rate of copper under TEL in this order: 300 &gt; 402 &gt; 199 &gt; bulk solution &gt; 101 μm. The corrosion behaviour is uniform under TEL, and pitting is the primary corrosion type in the bulk solution. A corrosion model of the behaviour of copper under chloride-containing TEL is proposed.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.corsci.2011.06.004</doi><tpages>10</tpages></addata></record>
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subjects A. Copper
Applied sciences
B. EIS
B. Polarization
C. Atmospheric corrosion
CATHODES
CHLORIDES
Copper
CORROSION
Corrosion environments
Corrosion rate
Electrochemical impedance spectroscopy
Electrolytes
Exact sciences and technology
Metals. Metallurgy
Pitting (corrosion)
THIN FILMS
title Corrosion behaviour of copper under chloride-containing thin electrolyte layer
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