Evidence for 1μm size instabilities in hydrogen-assisted cracking of Fe‒3%Si crystals

X. Chen, W. W. Gerberich

Research output: Contribution to journalArticlepeer-review

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Abstract

Groups of AE events were detected for hydrogen-assisted slow crack growth in an Fe-3%Si single crystal. Each group of events can be correlated to a 1μm size advance of the entire crack front which is accomplished by many microcracking events. The time interval between each group of events is about 12 seconds which is the secondary incubation time for the discontinuous crack advance.

Original languageEnglish (US)
Pages (from-to)1499-1502
Number of pages4
JournalScripta Metallurgica
Volume22
Issue number9
DOIs
StatePublished - 1988

Bibliographical note

Funding Information:
This work was supported by the Division of Materials Research, National Science Foundation, under Grant NSF/DMR 8400015.

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