Creep-fatigue interaction in austenitic stainless steels

Wareing, J.

doi:10.1007/bf02664781

Cited by 81 publications

(20 citation statements)

References 14 publications

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“…equivalent stress) intensity method [S]. With Incoloy 800 at 650°C in air for example, a 1 h tension hold gives the failure parameters tl = 0.82, k = 0.08 [32] and so assuming the values of /?, y , n and G as for 316 steel, see Tables 1, 2 mm/cycle at a crack depth of 0.5 mm when E~ = 0.001. From cyclic stress-strain data of this material [33] the equivalent stress intensity [8] at 0.5 mm crack depth is 14.3 MPa m0'5 which gives a crack growth rate in continuous cycling [34] some two orders of magnitude less than the value above.…”

Section: Discussionmentioning

confidence: 99%

The Prediction of Crack Growth Rates From Total Endurances in High Strain Fatigue

Skelton

1979

Fat Frac Eng Mat Struct

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Abstract-A method of calculating crack growth rates in high strain fatigue from total endurance data is presented. Endurances are known to be affected by dwell periods and environment and the expression derived takes these into account. The basic argument is that crack propagation may be regarded as increments of successive reinitiation and so the deeper a crack grows, with an accompanying increase in strain concentration at the tip, the fewer fatigue cycles are required for the next step. Previously derived expressions for strain concentration are employed which require a knowledge of the cyclic strain hardening properties of the material. These are produced in detail for a cast 4 Cr-Mo-V steel at 550°C.Two constants in the resulting propagation expression are semi-empirical, but if the surface (plastic or total) strain range is known then cyclic crack growth rates may be calculated for any crack depth. It is also shown that in the limiting case of zero surface plastic strain, the expression reduces to that observed for crack growth under linear elastic conditions.

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Section: Discussionmentioning

confidence: 99%

The Prediction of Crack Growth Rates From Total Endurances in High Strain Fatigue

Skelton

1979

Fat Frac Eng Mat Struct

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“…Levaillant et al [32], Wareing [33] and Rezgui et al [34] have reported that stress relaxation occurs very rapidly during initial stages and then the rate decreases continuously at a slower rate. Rezgui et al [34] stated that creep damage in 316 L stainless steel was produced during periods of tensile stress relaxation leading to intergranular cracking.…”

Section: Ebsd Analysis To Understand Deformation and Damagementioning

confidence: 99%

Understanding low cycle fatigue and creep–fatigue interaction behavior of 316 L(N) stainless steel weld joint

Shankar

Mariappan

Sandhya

et al. 2016

International Journal of Fatigue

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“…Skelton [65] developed a FCG approach dubbed the plastic strain range-based growth law, which effectively modifies the Coffin-Manson Law. Wareing [66] modified the Paris Law for FCG through a cavitated material, as induced by creep. And of course, a survey of the work in nonlinear fracture mechanics would not be complete without mentioning the accomplishments of Landes and Begley [67], and later Saxena [68], with their work correlating C* and C t to crack data.…”

Section: Nonlinear Fracture Mechanicsmentioning

confidence: 99%

Stress Intensity Solutions of Thermally Induced Cracks in Combustor Liner Hot Spots Using Finite Element Analysis (FEA)

Rhymer¹

2005

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Creep-fatigue interaction in austenitic stainless steels

Cited by 81 publications

References 14 publications

The Prediction of Crack Growth Rates From Total Endurances in High Strain Fatigue

The Prediction of Crack Growth Rates From Total Endurances in High Strain Fatigue

Understanding low cycle fatigue and creep–fatigue interaction behavior of 316 L(N) stainless steel weld joint

Stress Intensity Solutions of Thermally Induced Cracks in Combustor Liner Hot Spots Using Finite Element Analysis (FEA)

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