Transition of fatigue failure mode of Ni–Cr–Mo low-alloy steel in very high cycle regime

Shiozawa, Kazuaki; Murai, Masahumi; Shimatani, Yuuji; Yoshimoto, Takashi

doi:10.1016/j.ijfatigue.2009.06.011

Cited by 86 publications

(51 citation statements)

References 23 publications

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“…A number of studies on the fatigue behaviour of the high speed steel have already been carried out. For example, Shiozawa et al 1 . investigated the effect of surface finish on tension‐compression fatigue behaviour using specimens which had either been emery‐polished or shot‐peened.…”

Section: Introductionmentioning

confidence: 99%

Study of the fatigue lifetimes and crack propagation behaviour of a high speed steel as a function of the R value

Ishihara

Yoshifuji

McEvily

et al. 2010

Fatigue Fract Eng Mat Struct

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A B S T R A C T High speed steels, such as the alloy H-13, when used as forging dies are subjected to both wear and cyclic loading, and both of these factors can affect the useful life of such dies. It follows that it is of some importance to determine the fatigue characteristics of such steels. However, fatigue studies of such alloys are limited, especially with respect to fatigue crack propagation (FCP) behaviour as a function of mean stress, and therefore more detailed studies are necessary.In the present study, the fatigue lifetimes and the crack propagation behaviour of a high speed steel were experimentally investigated in laboratory air under different stress ratios, R. A modified linear-elastic fracture mechanics (LEFM) approach was applied to analyze the experimentally-obtained FCP behaviour. The predicted S-N curves and crack growth behaviour for a wide range of R ratios agree well with the experimental data, and the modified LEFM approach is therefore considered to be useful for evaluation of the fatigue behaviour of this class of high strength steels. A = Material-environmental constant a = Half crack length da/dN = Rate of crack propagation F = Elastic-plastic correction factor f = Stress frequency K = Stress intensity factor K T = Stress concentration factor K max = Maximum stress intensity factor K max th = Threshold maximum stress intensity factor K min = Minimum stress intensity factor K op = Crack-opening stress intensity factor K op max = Maximum crack-opening stress intensity factor K = Stress intensity factor range K eff = Effective stress intensity factor range K eff th = Threshold effective stress intensity factor range k = Material constant M = A modified linear elastic fracture mechanics parameter N = Number of cycles N f = Number of cycles to failure N/N f = Fatigue life ratio Correspondence: S. Ishihara.

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Section: Introductionmentioning

confidence: 99%

Study of the fatigue lifetimes and crack propagation behaviour of a high speed steel as a function of the R value

Ishihara

Yoshifuji

McEvily

et al. 2010

Fatigue Fract Eng Mat Struct

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“…Tanaka and Akiniwa [16] has previously proven the values of m = 14.2 and C = 3.44 Â 10 À21 for the interior FGA fracture of the JIS SUJ2 steel using the cantilever-type rotating bending fatigue testing. Shiozawa et al [23,24] also reported the values m = 15.3 and C = 6.62 Â 10 À22 for a Ni-Cr-Mo low-alloy steel (JIS SNCM439).…”

Section: Estimation Of Fatigue Life Using the Crack Propagation Lawmentioning

confidence: 95%

“…From Eq. (2), assuming that the total life is spent for the propagation of the FGA, the relation between the fatigue life and the initial SIF can be described as [22][23][24]:…”

Section: Estimation Of Fatigue Life Using the Crack Propagation Lawmentioning

confidence: 99%

Very high cycle fatigue behavior of shot-peened 3Cr13 high strength spring steel

Nie

Zhang

et al. 2013

Materials & Design

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“…load intensity, load type, load ratio, number of cycles to failure, residual stresses, etc.) and is still very much an open topic which has been discussed in recent publications [18,19,20].…”

Section: Tensile Loadsmentioning

confidence: 99%

The effect of quenching and defects size on the HCF behaviour of Boron steel

Pessard

Abrivard

Morel

et al. 2014

International Journal of Fatigue

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is an open access repository that collects the work of Arts et Métiers ParisTech researchers and makes it freely available over the web where possible. AbstractThis work investigates the effect of natural and artificial surface defects and quenching on the fatigue strength of a Boron Steel (22MnB5). A vast experimental campaign has been undertaken to study the high cycle fatigue behaviour and more specifically the fatigue damage mechanisms observed in quenched and untreated materials, under different loading conditions and with differents artificial defects sizes (from 25µm to 370 µm radius). In order to test the sheet metal in shear an original test apparatus is used. The critical defect size is determined to be 100±50µm. This critical size does not appear to depend on the loading type or the microstructure of the material (i.e. ferritic-perlitic or martensitic). However, for large defects, the quenched material is more sensitive to the defect size than the untreated material. For a defect size range of 100µm to 300µm the slope of the Kitagawa-Takahashi diagram is approximately -1/3 and -1/6 for the quenched and untreated materials respectively. A probabilistic approach that leads naturally to a probabilistic Kitagawa type diagram is developed. This methodology can be used to explain the relationship between the influence of the heat treatment and the defect size on the fatigue behaviour of this steel.

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Transition of fatigue failure mode of Ni–Cr–Mo low-alloy steel in very high cycle regime

Cited by 86 publications

References 23 publications

Study of the fatigue lifetimes and crack propagation behaviour of a high speed steel as a function of the R value

Study of the fatigue lifetimes and crack propagation behaviour of a high speed steel as a function of the R value

Very high cycle fatigue behavior of shot-peened 3Cr13 high strength spring steel

The effect of quenching and defects size on the HCF behaviour of Boron steel

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