Crack-particle interactions during intergranular stress corrosion of AA5083 as observed by cross-section transmission electron microscopy

Studies of intergranular stress corrosion cracks growing in AA5083 aged to contain β-phase (Al 3Mg 2) particles at the grain boundary are reported. These studies have shown that for tests in a NaCl + K 2CrO 4 solution that β-phase particles are converted to Al 2O 3 particles and that the crack propa...

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Bibliographic Details
Published in:Scripta materialia 2004-05, Vol.50 (10), p.1355-1359
Main Authors: Jones, R.H., Gertsman, V.Y., Vetrano, J.S., Windisch, C.F.
Format: Article
Language:English
Subjects:
ALUMINIUM ALLOYS
Aluminum alloy
Aluminum alloy, intergranular stress corrosion, crack-particle interactions
Applied sciences
Corrosion
Corrosion environments
Crack-particle interactions
EVALUATION
Exact sciences and technology
INTERGRANULAR CORROSION
Intergranular stress corrosion
MATERIALS SCIENCE
Metals. Metallurgy
PARTICLE INTERACTIONS
STRESS CORROSION
TRANSMISSION ELECTRON MICROSCOPY
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Summary:Studies of intergranular stress corrosion cracks growing in AA5083 aged to contain β-phase (Al 3Mg 2) particles at the grain boundary are reported. These studies have shown that for tests in a NaCl + K 2CrO 4 solution that β-phase particles are converted to Al 2O 3 particles and that the crack propagates through or around them.
ISSN:1359-6462
1872-8456
DOI:10.1016/j.scriptamat.2004.01.038