Determination of cathodic and anodic charge from operando x-ray tomography observation of galvanic corrosion of aluminum alloy 7050-T7451 and 304 stainless steel in a simulated fastener

Research output: Contribution to journalArticlepeer-review

Standard

Determination of cathodic and anodic charge from operando x-ray tomography observation of galvanic corrosion of aluminum alloy 7050-T7451 and 304 stainless steel in a simulated fastener. / Rafla, Veronica; Davenport, Alison; Scully, John R.

In: Corrosion, Vol. 71, No. 11, 11.2015, p. 1300-1303.

Research output: Contribution to journalArticlepeer-review

Harvard

APA

Vancouver

Author

Bibtex

@article{3633ba7f51954278acf4ad92a70cf124,
title = "Determination of cathodic and anodic charge from operando x-ray tomography observation of galvanic corrosion of aluminum alloy 7050-T7451 and 304 stainless steel in a simulated fastener",
abstract = "Operando x-ray computed tomography (XCT) was used to observe the hidden corrosion damage in a simulated fastener of aluminum alloy (AA) 7050-T7451 coupled to 304 stainless steel under a droplet of NaCl at 97% relative humidity. Four fissures grew during the exposure in the aluminum alloy. The volume of corrosion damage was monitored over time and the anodic charge was determined from XCT slice voxel analysis. The maximum theoretical cathodic charge available for the cathodic reactions on the stainless steel and other sources (intermetallic particles and copper replating in the AA7050) could support the growth of multiple fissures.",
keywords = "Aluminum 7050, Galvanic corrosion, X-ray tomography",
author = "Veronica Rafla and Alison Davenport and Scully, {John R.}",
year = "2015",
month = nov,
doi = "10.5006/1871",
language = "English",
volume = "71",
pages = "1300--1303",
journal = "Corrosion",
issn = "0010-9312",
publisher = "National Association of Corrosion Engineers",
number = "11",

}

RIS

TY - JOUR

T1 - Determination of cathodic and anodic charge from operando x-ray tomography observation of galvanic corrosion of aluminum alloy 7050-T7451 and 304 stainless steel in a simulated fastener

AU - Rafla, Veronica

AU - Davenport, Alison

AU - Scully, John R.

PY - 2015/11

Y1 - 2015/11

N2 - Operando x-ray computed tomography (XCT) was used to observe the hidden corrosion damage in a simulated fastener of aluminum alloy (AA) 7050-T7451 coupled to 304 stainless steel under a droplet of NaCl at 97% relative humidity. Four fissures grew during the exposure in the aluminum alloy. The volume of corrosion damage was monitored over time and the anodic charge was determined from XCT slice voxel analysis. The maximum theoretical cathodic charge available for the cathodic reactions on the stainless steel and other sources (intermetallic particles and copper replating in the AA7050) could support the growth of multiple fissures.

AB - Operando x-ray computed tomography (XCT) was used to observe the hidden corrosion damage in a simulated fastener of aluminum alloy (AA) 7050-T7451 coupled to 304 stainless steel under a droplet of NaCl at 97% relative humidity. Four fissures grew during the exposure in the aluminum alloy. The volume of corrosion damage was monitored over time and the anodic charge was determined from XCT slice voxel analysis. The maximum theoretical cathodic charge available for the cathodic reactions on the stainless steel and other sources (intermetallic particles and copper replating in the AA7050) could support the growth of multiple fissures.

KW - Aluminum 7050

KW - Galvanic corrosion

KW - X-ray tomography

UR - http://www.scopus.com/inward/record.url?scp=84946910044&partnerID=8YFLogxK

U2 - 10.5006/1871

DO - 10.5006/1871

M3 - Article

AN - SCOPUS:84946910044

VL - 71

SP - 1300

EP - 1303

JO - Corrosion

JF - Corrosion

SN - 0010-9312

IS - 11

ER -