Corrosion characterization of the 6061 Al–Mg–Si alloy in synthetic acid rain using neutron tomography

Neutron tomography has gained increasing importance as an imaging technique for materials characterization. In general, neutron beams are able to show microstructure features of hydrogenous materials, even enfolded with thick metal layers. In the present paper, neutron tomography and observation of...

Full description

Saved in:
Bibliographic Details
Published in:Applied radiation and isotopes 2022-06, Vol.184, p.110197-110197, Article 110197
Main Authors: Milagre, Mariana Xavier, Pereira, Marco Stanojev, Gomes, Antônio A., Scapin, Marcos, Franco, Margareth, Yokaichiya, Fabiano, Genezini, Frederico, Costa, Isolda
Format: Article
Language:English
Subjects:
3D neutron tomography
3D optical profilometry
Aluminum alloy
Exfoliation
Localized corrosion
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Neutron tomography has gained increasing importance as an imaging technique for materials characterization. In general, neutron beams are able to show microstructure features of hydrogenous materials, even enfolded with thick metal layers. In the present paper, neutron tomography and observation of cross section images were successfully applied to investigate the corrosion features of the 6061 Al–Mg–Si alloy. The results showed good agreement between neutron 3D tomography and the cross section images obtained in the high attenuation areas of the samples, whereas significant differences in depth of corrosion penetration were obtained between the results from Neutron Tomography and 3D optical profilometry. •Neutron tomography was successfully used to provide information on corrosion behavior of 6061 Al alloys.•Neutron tomography showed to be a useful nondestructive technique for measuring pits depth distributions.•3D optical profilometer measurements showed limitations to estimate pits depth.
ISSN:0969-8043
1872-9800
DOI:10.1016/j.apradiso.2022.110197