TEM analysis on the effect of hydrogen on cyclic deformation around an oblique fatigue crack tip in single-crystalline Fe-3.2wt.%Si alloy

Yoshimasa Takahashi; Junji Sakamoto; Masaki Tanaka; Kenji Higashida; Hiroshi Noguchi

doi:10.1299/kikaia.76.1002

TEM analysis on the effect of hydrogen on cyclic deformation around an oblique fatigue crack tip in single-crystalline Fe-3.2wt.%Si alloy

Yoshimasa Takahashi, Junji Sakamoto, Masaki Tanaka, Kenji Higashida, Hiroshi Noguchi

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

Abstract

The effect of hydrogen on local cyclic behavior around an oblique fatigue crack tip in singlecrystalline Fe-3.2wt.%Si alloy is precisely investigated by using cross-sectional transmission electron microscopy (TEM). The observation successfully reveals that the crack propagation is strongly correlated to the formation of dislocation cell structure in an inert atmosphere, whereas no cell structure is formed around the crack tip in a hydrogen atmosphere.

Original language	English
Pages (from-to)	1002-1004
Number of pages	3
Journal	Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A
Volume	76
Issue number	767
DOIs	https://doi.org/10.1299/kikaia.76.1002
Publication status	Published - Jul 2010
Externally published	Yes

Keywords

Crack propagation
Dislocation cell structures
Fatigue
Hydrogen
IronSilicon alloy
Single crystal
TEM

ASJC Scopus subject areas

Materials Science(all)
Mechanics of Materials
Mechanical Engineering

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10.1299/kikaia.76.1002

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Takahashi, Y., Sakamoto, J., Tanaka, M., Higashida, K., & Noguchi, H. (2010). TEM analysis on the effect of hydrogen on cyclic deformation around an oblique fatigue crack tip in single-crystalline Fe-3.2wt.%Si alloy. Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A, 76(767), 1002-1004. https://doi.org/10.1299/kikaia.76.1002

TEM analysis on the effect of hydrogen on cyclic deformation around an oblique fatigue crack tip in single-crystalline Fe-3.2wt.%Si alloy. / Takahashi, Yoshimasa; Sakamoto, Junji; Tanaka, Masaki et al.

In: Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A, Vol. 76, No. 767, 07.2010, p. 1002-1004.

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

Takahashi, Y, Sakamoto, J, Tanaka, M, Higashida, K & Noguchi, H 2010, 'TEM analysis on the effect of hydrogen on cyclic deformation around an oblique fatigue crack tip in single-crystalline Fe-3.2wt.%Si alloy', Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A, vol. 76, no. 767, pp. 1002-1004. https://doi.org/10.1299/kikaia.76.1002

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abstract = "The effect of hydrogen on local cyclic behavior around an oblique fatigue crack tip in singlecrystalline Fe-3.2wt.%Si alloy is precisely investigated by using cross-sectional transmission electron microscopy (TEM). The observation successfully reveals that the crack propagation is strongly correlated to the formation of dislocation cell structure in an inert atmosphere, whereas no cell structure is formed around the crack tip in a hydrogen atmosphere.",

keywords = "Crack propagation, Dislocation cell structures, Fatigue, Hydrogen, IronSilicon alloy, Single crystal, TEM",

author = "Yoshimasa Takahashi and Junji Sakamoto and Masaki Tanaka and Kenji Higashida and Hiroshi Noguchi",

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AU - Higashida, Kenji

AU - Noguchi, Hiroshi

PY - 2010/7

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KW - Crack propagation

KW - Dislocation cell structures

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KW - Hydrogen

KW - IronSilicon alloy

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TEM analysis on the effect of hydrogen on cyclic deformation around an oblique fatigue crack tip in single-crystalline Fe-3.2wt.%Si alloy

Abstract

Keywords

ASJC Scopus subject areas

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