Hydrogen-induced sustained load cracking in single crystal Fe-3wt.%Si

X. Chen; J. A. Kozubowski; W. W. Gerberich

doi:10.1016/S0036-9748(88)80342-9

Hydrogen-induced sustained load cracking in single crystal Fe-3wt.%Si

X. Chen, J. A. Kozubowski, W. W. Gerberich

Chemical Engineering and Materials Science

Research output: Contribution to journal › Article › peer-review

16 Scopus citations

Abstract

Sustained load slow crack growth rate in Fe-3wt%Si single crystals was determined to be about 5 × 10^-8 m/s at room temperature in 1 atm gaseous hydrogen. Extensive plastic deformation was observed to accompany crack growth. During crack growth, slip line upsets of about 10 μm spacing were generated behind the advancing crack tip but the crack advance step size was on the order of 1 μm. Further investigation to clarify the mechanism is in progress.

Original language	English (US)
Pages (from-to)	245-248
Number of pages	4
Journal	Scripta Metallurgica
Volume	22
Issue number	2
DOIs	https://doi.org/10.1016/S0036-9748(88)80342-9
State	Published - 1988

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abstract = "Sustained load slow crack growth rate in Fe-3wt%Si single crystals was determined to be about 5 × 10-8 m/s at room temperature in 1 atm gaseous hydrogen. Extensive plastic deformation was observed to accompany crack growth. During crack growth, slip line upsets of about 10 μm spacing were generated behind the advancing crack tip but the crack advance step size was on the order of 1 μm. Further investigation to clarify the mechanism is in progress.",

author = "X. Chen and Kozubowski, {J. A.} and Gerberich, {W. W.}",

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T1 - Hydrogen-induced sustained load cracking in single crystal Fe-3wt.%Si

AU - Chen, X.

AU - Kozubowski, J. A.

AU - Gerberich, W. W.

PY - 1988

Y1 - 1988

N2 - Sustained load slow crack growth rate in Fe-3wt%Si single crystals was determined to be about 5 × 10-8 m/s at room temperature in 1 atm gaseous hydrogen. Extensive plastic deformation was observed to accompany crack growth. During crack growth, slip line upsets of about 10 μm spacing were generated behind the advancing crack tip but the crack advance step size was on the order of 1 μm. Further investigation to clarify the mechanism is in progress.

AB - Sustained load slow crack growth rate in Fe-3wt%Si single crystals was determined to be about 5 × 10-8 m/s at room temperature in 1 atm gaseous hydrogen. Extensive plastic deformation was observed to accompany crack growth. During crack growth, slip line upsets of about 10 μm spacing were generated behind the advancing crack tip but the crack advance step size was on the order of 1 μm. Further investigation to clarify the mechanism is in progress.

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JF - Scripta Metallurgica

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ER -

Hydrogen-induced sustained load cracking in single crystal Fe-3wt.%Si

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