Fatigue crack tip strain loop under single overload in Fe3Si steel

Yasubumi Furuya; Hehachi Shimada

doi:10.1016/0013-7944(82)90158-8

Fatigue crack tip strain loop under single overload in Fe3Si steel

Yasubumi Furuya, Hehachi Shimada

Micro System Integration Center (μSIC)

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

1 Citation (Scopus)

Abstract

For the problem of the retardation of fatigue crack growth caused by single overload, cyclic strain changes in one cycle of the local crack tip region were investigated by using fine-grid-method. From the application of Crack Tip Strain Loop (C.T.S.Loop), the correlation between effective stress intensity factor range (ΔK_eff^T) defined from the stress range of C.T.S.Loop and crack growth rate ( da dN) was discussed. Moreover, from the strain range of C.T.S.Loop, the correlation between crack-tip strain range (Δ_ε{lunate}^T) and da dN was also investigated.

Original language	English
Pages (from-to)	295-301
Number of pages	7
Journal	Engineering Fracture Mechanics
Volume	16
Issue number	2
DOIs	https://doi.org/10.1016/0013-7944(82)90158-8
Publication status	Published - 1982

ASJC Scopus subject areas

Materials Science(all)
Mechanics of Materials
Mechanical Engineering

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title = "Fatigue crack tip strain loop under single overload in Fe3Si steel",

abstract = "For the problem of the retardation of fatigue crack growth caused by single overload, cyclic strain changes in one cycle of the local crack tip region were investigated by using fine-grid-method. From the application of Crack Tip Strain Loop (C.T.S.Loop), the correlation between effective stress intensity factor range (ΔKeffT) defined from the stress range of C.T.S.Loop and crack growth rate ( da dN) was discussed. Moreover, from the strain range of C.T.S.Loop, the correlation between crack-tip strain range (Δε{lunate}T) and da dN was also investigated.",

author = "Yasubumi Furuya and Hehachi Shimada",

year = "1982",

doi = "10.1016/0013-7944(82)90158-8",

language = "English",

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journal = "Engineering Fracture Mechanics",

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T1 - Fatigue crack tip strain loop under single overload in Fe3Si steel

AU - Furuya, Yasubumi

AU - Shimada, Hehachi

PY - 1982

Y1 - 1982

N2 - For the problem of the retardation of fatigue crack growth caused by single overload, cyclic strain changes in one cycle of the local crack tip region were investigated by using fine-grid-method. From the application of Crack Tip Strain Loop (C.T.S.Loop), the correlation between effective stress intensity factor range (ΔKeffT) defined from the stress range of C.T.S.Loop and crack growth rate ( da dN) was discussed. Moreover, from the strain range of C.T.S.Loop, the correlation between crack-tip strain range (Δε{lunate}T) and da dN was also investigated.

AB - For the problem of the retardation of fatigue crack growth caused by single overload, cyclic strain changes in one cycle of the local crack tip region were investigated by using fine-grid-method. From the application of Crack Tip Strain Loop (C.T.S.Loop), the correlation between effective stress intensity factor range (ΔKeffT) defined from the stress range of C.T.S.Loop and crack growth rate ( da dN) was discussed. Moreover, from the strain range of C.T.S.Loop, the correlation between crack-tip strain range (Δε{lunate}T) and da dN was also investigated.

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JO - Engineering Fracture Mechanics

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ER -

Fatigue crack tip strain loop under single overload in Fe3Si steel

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