A new method for the measurement of mode II fatigue threshold stress intensity factor range ΔKτth

Y. Murakami; Shigeru Hamada

doi:10.1111/j.1460-2695.1997.tb01530.x

A new method for the measurement of mode II fatigue threshold stress intensity factor range ΔK_τth

Y. Murakami, Shigeru Hamada

Strength of materials

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

40 Citations (Scopus)

Abstract

In order to evaluate the threshold value ΔK_τth for mode II fatigue crack growth, a new measurement method of mode II fatigue crack growth has been developed. This method uses a conventional closed-loop tension-compression fatigue testing machine without additional loading attachments. Mode II fatigue tests for structural steel and rail steel have been carried out. This method has proved successful and has reproduced mode II fatigue fracture surfaces similar to those found in the spalling of industrial steel-making rolls. The crack length during testing was measured by an AC potential method. The relationships between da/dN and ΔK_τ, and ΔK_τth for several materials have been obtained.

Original language	English
Pages (from-to)	863-870
Number of pages	8
Journal	Fatigue and Fracture of Engineering Materials and Structures
Volume	20
Issue number	6
DOIs	https://doi.org/10.1111/j.1460-2695.1997.tb01530.x
Publication status	Published - Jan 1 1997

All Science Journal Classification (ASJC) codes

Materials Science(all)
Mechanics of Materials
Mechanical Engineering

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10.1111/j.1460-2695.1997.tb01530.x

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abstract = "In order to evaluate the threshold value ΔKτth for mode II fatigue crack growth, a new measurement method of mode II fatigue crack growth has been developed. This method uses a conventional closed-loop tension-compression fatigue testing machine without additional loading attachments. Mode II fatigue tests for structural steel and rail steel have been carried out. This method has proved successful and has reproduced mode II fatigue fracture surfaces similar to those found in the spalling of industrial steel-making rolls. The crack length during testing was measured by an AC potential method. The relationships between da/dN and ΔKτ, and ΔKτth for several materials have been obtained.",

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N2 - In order to evaluate the threshold value ΔKτth for mode II fatigue crack growth, a new measurement method of mode II fatigue crack growth has been developed. This method uses a conventional closed-loop tension-compression fatigue testing machine without additional loading attachments. Mode II fatigue tests for structural steel and rail steel have been carried out. This method has proved successful and has reproduced mode II fatigue fracture surfaces similar to those found in the spalling of industrial steel-making rolls. The crack length during testing was measured by an AC potential method. The relationships between da/dN and ΔKτ, and ΔKτth for several materials have been obtained.

AB - In order to evaluate the threshold value ΔKτth for mode II fatigue crack growth, a new measurement method of mode II fatigue crack growth has been developed. This method uses a conventional closed-loop tension-compression fatigue testing machine without additional loading attachments. Mode II fatigue tests for structural steel and rail steel have been carried out. This method has proved successful and has reproduced mode II fatigue fracture surfaces similar to those found in the spalling of industrial steel-making rolls. The crack length during testing was measured by an AC potential method. The relationships between da/dN and ΔKτ, and ΔKτth for several materials have been obtained.

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A new method for the measurement of mode II fatigue threshold stress intensity factor range ΔK_τth

Abstract

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