Galvanic corrosion behavior of aluminum alloy (2219 and ZL205A) coupled to carbon fiber-reinforced epoxy composites

Shiwen Zou; Yanxian Zhang; Wen Xu; Yingqi Wan; Chang He; Chaofang Dong; Xiaogang Li

doi:10.20964/2016.11.25

Galvanic corrosion behavior of aluminum alloy (2219 and ZL205A) coupled to carbon fiber-reinforced epoxy composites

Shiwen Zou^*
, Yanxian Zhang
, Wen Xu
, Yingqi Wan
, Chang He
, Chaofang Dong
, Xiaogang Li

^*Corresponding author for this work

China Aerospace Science and Technology Corporation
University of Science and Technology Beijing

Research output: Contribution to journal › Article › peer-review

9 Scopus citations

Abstract

The galvanic corrosion behaviors between carbon fiber-reinforced epoxy composites (CFREC) and aluminum alloy (2219 and ZL205A) in 3.5 wt.% sodium chloride solutions were evaluated by laboratory electrochemical measurement. The corrosion morphology, products and galvanic currents of galvanic couples were measured. The results indicate that there were serious galvanic corrosion when these two kinds of materials were coupled for 10 hours in 3.5wt.% NaCl solution, corrosion pits and grooves can be clearly observed on both aluminum alloys; the galvanic current of 2219 is slightly higher than that of ZL205A which both decrease with time; the average galvanic current density of 2219 and ZL205A is 20.19μA·cm^-2 and 16.08 μA·cm^-2 respectively; as a result, two types of aluminum alloys are not allowed to contact with CFREC directly in hygrothermal salt spray environment.

Original language	English
Pages (from-to)	9625-9633
Number of pages	9
Journal	International Journal of Electrochemical Science
Volume	11
Issue number	11
DOIs	https://doi.org/10.20964/2016.11.25
State	Published - 2016
Externally published	Yes

Keywords

Aluminum alloy
Carbon fiber-reinforced epoxy composites
Galvanic corrosion

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10.20964/2016.11.25

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@article{dce61a98f5ac45bd97daca73c6b1bcea,

title = "Galvanic corrosion behavior of aluminum alloy (2219 and ZL205A) coupled to carbon fiber-reinforced epoxy composites",

abstract = "The galvanic corrosion behaviors between carbon fiber-reinforced epoxy composites (CFREC) and aluminum alloy (2219 and ZL205A) in 3.5 wt.\% sodium chloride solutions were evaluated by laboratory electrochemical measurement. The corrosion morphology, products and galvanic currents of galvanic couples were measured. The results indicate that there were serious galvanic corrosion when these two kinds of materials were coupled for 10 hours in 3.5wt.\% NaCl solution, corrosion pits and grooves can be clearly observed on both aluminum alloys; the galvanic current of 2219 is slightly higher than that of ZL205A which both decrease with time; the average galvanic current density of 2219 and ZL205A is 20.19μA·cm-2 and 16.08 μA·cm-2 respectively; as a result, two types of aluminum alloys are not allowed to contact with CFREC directly in hygrothermal salt spray environment.",

keywords = "Aluminum alloy, Carbon fiber-reinforced epoxy composites, Galvanic corrosion",

author = "Shiwen Zou and Yanxian Zhang and Wen Xu and Yingqi Wan and Chang He and Chaofang Dong and Xiaogang Li",

note = "Publisher Copyright: {\textcopyright} 2016 The Authors.",

year = "2016",

doi = "10.20964/2016.11.25",

language = "英语",

volume = "11",

pages = "9625--9633",

journal = "International Journal of Electrochemical Science",

issn = "1452-3981",

publisher = "Elsevier B.V.",

number = "11",

}

TY - JOUR

T1 - Galvanic corrosion behavior of aluminum alloy (2219 and ZL205A) coupled to carbon fiber-reinforced epoxy composites

AU - Zou, Shiwen

AU - Zhang, Yanxian

AU - Xu, Wen

AU - Wan, Yingqi

AU - He, Chang

AU - Dong, Chaofang

AU - Li, Xiaogang

PY - 2016

Y1 - 2016

N2 - The galvanic corrosion behaviors between carbon fiber-reinforced epoxy composites (CFREC) and aluminum alloy (2219 and ZL205A) in 3.5 wt.% sodium chloride solutions were evaluated by laboratory electrochemical measurement. The corrosion morphology, products and galvanic currents of galvanic couples were measured. The results indicate that there were serious galvanic corrosion when these two kinds of materials were coupled for 10 hours in 3.5wt.% NaCl solution, corrosion pits and grooves can be clearly observed on both aluminum alloys; the galvanic current of 2219 is slightly higher than that of ZL205A which both decrease with time; the average galvanic current density of 2219 and ZL205A is 20.19μA·cm-2 and 16.08 μA·cm-2 respectively; as a result, two types of aluminum alloys are not allowed to contact with CFREC directly in hygrothermal salt spray environment.

AB - The galvanic corrosion behaviors between carbon fiber-reinforced epoxy composites (CFREC) and aluminum alloy (2219 and ZL205A) in 3.5 wt.% sodium chloride solutions were evaluated by laboratory electrochemical measurement. The corrosion morphology, products and galvanic currents of galvanic couples were measured. The results indicate that there were serious galvanic corrosion when these two kinds of materials were coupled for 10 hours in 3.5wt.% NaCl solution, corrosion pits and grooves can be clearly observed on both aluminum alloys; the galvanic current of 2219 is slightly higher than that of ZL205A which both decrease with time; the average galvanic current density of 2219 and ZL205A is 20.19μA·cm-2 and 16.08 μA·cm-2 respectively; as a result, two types of aluminum alloys are not allowed to contact with CFREC directly in hygrothermal salt spray environment.

KW - Aluminum alloy

KW - Carbon fiber-reinforced epoxy composites

KW - Galvanic corrosion

UR - https://www.scopus.com/pages/publications/84997207511

U2 - 10.20964/2016.11.25

DO - 10.20964/2016.11.25

M3 - 文章

AN - SCOPUS:84997207511

SN - 1452-3981

VL - 11

SP - 9625

EP - 9633

JO - International Journal of Electrochemical Science

JF - International Journal of Electrochemical Science

IS - 11

ER -

Galvanic corrosion behavior of aluminum alloy (2219 and ZL205A) coupled to carbon fiber-reinforced epoxy composites

Abstract

Keywords

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