Reply to comment on “Identification of SAGBO-induced damage zone ahead of crack tip to characterize sustained loading crack growth in alloy 783”

Reply to comment on “Identification of SAGBO-induced damage zone ahead of crack tip to characterize sustained loading crack growth in alloy 783”

The damage zone, formed during sustained loading by stress accelerated grain boundary oxygen embrittlement, is a localized region ahead of the crack tip. Before the crack growth reaches a steady rate, the existence of the crack growth transient period shows that cracking is likely to occur within th...

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Veröffentlicht in:Scripta materialia 2006, Vol.54 (2), p.309-311
Hauptverfasser: Ma, Longzhou, Liu, Xingbo, Chang, Keh-Minn
Format: Artikel
Sprache:eng
Schlagworte:
Alloy 783
Diffusion
Grain boundary
Oxygen
Transient period
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Zusammenfassung:The damage zone, formed during sustained loading by stress accelerated grain boundary oxygen embrittlement, is a localized region ahead of the crack tip. Before the crack growth reaches a steady rate, the existence of the crack growth transient period shows that cracking is likely to occur within the damage zone. This is indeed compatible with the dynamic embrittlement model.
ISSN:1359-6462
1872-8456
DOI:10.1016/j.scriptamat.2005.09.031