Application of the EBSD technique to describe the initiation and growth behaviour of microstructurally short fatigue cracks in a duplex steel

Krupp, Ulrich; Düber, O.; Christ, H.‐J.; Künkler, Boris; Schick, A.; Fritzen, Claus‐Peter

doi:10.1111/j.0022-2720.2004.01306.x

Cited by 46 publications

(21 citation statements)

References 21 publications

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“…τ 0 for the two phases in DSS was estimated by a Hall-Petch analysis by Düber (cf. [1,23]), where he determined the cyclic yield strength for austenitic and ferritic specimens by means of the cyclic stress strain curve. Accordingly, the critical shear strength for austenite grains is τ 0 =68MPa and for ferritic grains τ 0 =99MPa, respectively.…”

Section: Fig 11mentioning

confidence: 99%

The behavior of short fatigue cracks during Very High Cycle (VHCF) Fatigue of duplex stainless steel

Krupp¹,

Giertler²,

Söker³

et al. 2015

Engineering Fracture Mechanics

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Section: Fig 11mentioning

confidence: 99%

The behavior of short fatigue cracks during Very High Cycle (VHCF) Fatigue of duplex stainless steel

Krupp¹,

Giertler²,

Söker³

et al. 2015

Engineering Fracture Mechanics

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“…The first one, generally based on patient-reported outcome measures, focuses on experienced fatigue. The second category is based on objective tests and outcomes, and focuses on physiological fatigue [22, 58]. The different techniques quantifying the severity of each form of fatigue will be discussed in the next paragraphs.…”

Section: How To Assess Fatiguementioning

confidence: 99%

Fatigue in neuromuscular disorders: focus on Guillain–Barré syndrome and Pompe disease

Vries

Hagemans

Bussmann

et al. 2009

Cell. Mol. Life Sci.

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Fatigue accounts for an important part of the burden experienced by patients with neuromuscular disorders. Substantial high prevalence rates of fatigue are reported in a wide range of neuromuscular disorders, such as Guillain–Barré syndrome and Pompe disease. Fatigue can be subdivided into experienced fatigue and physiological fatigue. Physiological fatigue in turn can be of central or peripheral origin. Peripheral fatigue is an important contributor to fatigue in neuromuscular disorders, but in reaction to neuromuscular disease fatigue of central origin can be an important protective mechanism to restrict further damage. In most cases, severity of fatigue seems to be related with disease severity, possibly with the exception of fatigue occurring in a monophasic disorder like Guillain–Barré syndrome. Treatment of fatigue in neuromuscular disease starts with symptomatic treatment of the underlying disease. When symptoms of fatigue persist, non-pharmacological interventions, such as exercise and cognitive behavioral therapy, can be initiated.

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“…[8,9] Texture is also expected to play a major role in reducing HIC, because it can determine the availability of low resistance paths for crack propagation. In addition to that, texture can be effectively controlled during the steel forming process.…”

Section: Introductionmentioning

confidence: 99%

Role of Crystallographic Texture in Hydrogen-Induced Cracking of Low Carbon Steels for Sour Service Piping

Venegas

Caleyo

Hallen

et al. 2007

Metall Mater Trans A

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This work presents the results of ongoing investigations aimed at determining the influence of crystallographic texture on hydrogen-induced cracking (HIC) in low carbon steels for sour service piping. Electron backscatter diffraction (EBSD) and X-ray texture measurements have been performed on HIC samples of API 5L X46 and ASTM A106 steels. The results obtained in this study show that the resistance to HIC of low carbon steels for sour service piping could be improved through crystallographic texture control and grain boundary engineering. Controlled rolling schedules can be proposed in order to induce a crystallographic texture dominated by the {112}//ND, {111}//ND, and {011}//ND fibers, where ND is the sample normal direction. Such a texture is expected to decrease significantly the steel susceptibility to HIC by (1) reducing the number of available transgranular and intergranular low resistance cleavage paths provided by the {001}//ND oriented grains, (2) reducing the probability of crack coalescence and stepwise HIC propagation through large HIC-induced plastic strain, and (3) increasing the number of high resistance intergranular crack paths provided by coincidence site lattice (CSL) boundaries and low-angle boundaries between grains with orientation within the {111}//ND texture fiber.

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Application of the EBSD technique to describe the initiation and growth behaviour of microstructurally short fatigue cracks in a duplex steel

Cited by 46 publications

References 21 publications

The behavior of short fatigue cracks during Very High Cycle (VHCF) Fatigue of duplex stainless steel

The behavior of short fatigue cracks during Very High Cycle (VHCF) Fatigue of duplex stainless steel

Fatigue in neuromuscular disorders: focus on Guillain–Barré syndrome and Pompe disease

Role of Crystallographic Texture in Hydrogen-Induced Cracking of Low Carbon Steels for Sour Service Piping

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