Effect of Hydrogen on Plastic Strain Localization of Construction Steels

Баранникова, С. А.; Lunev, A. G.; Nadezhkin, M. V.; Зуев, Л. Б.

doi:10.4028/www.scientific.net/amr.880.42

Cited by 16 publications

(5 citation statements)

References 17 publications

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“…The comparison of the data for the two conditions (the initial condition and one after hydrogenation) of Fe-0.07%C steel showed that the localized plasticity sites have been formed and evolved throughout the plastic flow process during tensile testing. Hydrogen enhances localization and changes the quantitative parameters of macroscopic plastic strain localization: the length and the velocity of autowaves plastic strain localization [9,11]. The mechanism of hydrogen-stimulated plastic strain localization is still under discussion [6].…”

Section: Resultsmentioning

confidence: 99%

The effect of hydrogen on the parameters of plastic deformation localization in low carbon steel

Lunev¹,

Nadezhkin²,

Shlyakhova³

et al. 2014

AIP Conference Proceedings

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In the present study, the effect of interstitial hydrogen atoms on the mechanical properties and plastic strain localization patterns in tensile tested polycrystals of low-carbon steel Fe-0.07%C has been studied using double exposure speckle photography technique. The main parameters of plastic flow localization at various stages of deformation hardening have been determined in polycrystals of steel electrolytically saturated with hydrogen in a three-electrode electrochemical cell at a controlled constant cathode potential. Also, the effect of hydrogen on changing of microstructure by using optical microscopy has been demonstrated.

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Section: Resultsmentioning

confidence: 99%

The effect of hydrogen on the parameters of plastic deformation localization in low carbon steel

Lunev¹,

Nadezhkin²,

Shlyakhova³

et al. 2014

AIP Conference Proceedings

Self Cite

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show abstract

“…Comparison of the data for the two conditions (initial condition and after hydrogenation) of steel Fe-0.07%C showed that the localized plasticity sites have been formed and evolved throughout of the plastic flow process during tensile. Hydrogen enhances localization and changes the quantitative parameters of the macroscopic plastic strain localization: the length and the velocity of autowaves plastic strain localization [11,15].…”

Section: Discussionmentioning

confidence: 99%

Plastic Deformation Localization of Low Carbon Steel: Hydrogen Effect

Баранникова¹,

Ivanov²,

Kosinov

et al. 2014

AMR

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In the present study, the features of plastic strain localization and structure of polycrystalline low carbon steelFe-0.07%Cwere investigated after hot rolling and electrolytic hydrogen saturation. The method of double-exposure speckle photographyhave been used for identification of main types and parameters of plastic flow localization at different stages of strain hardening.Shown the effect of hydrogen on changing of defect substructure and cementite morphology by using optical and electron microscopy.

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“…Pouring a liquid metal onto a solid plate placed in a mold is frequently utilized for producing various bimetals [15]. The electrolytic hydrogenation of bimetal samples was carried out within 6 hours under a controlled cathode potential of -600 mV relative to a reference electrode of silver chloride in 0.1N sulphuric acid solution with addition of 20 mg/L of thiourea [16]. The current-voltage curves were obained on an IPC-Compact potentiostat.…”

Section: Methodsmentioning

confidence: 99%

Analysis of Plastic Flow Localization in Bimetal Electrolytically Saturated with Hydrogen

Баранникова¹,

Li²,

Malinovskiy³

et al. 2018

IJET

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Plastic deformation of bimetal compound of austenitic stainless and low-carbon construction steels, resistant to corrosion, is localized through the digital image correlation method upon the uniaxial tension of sample. The evolution of zones of plastic deformation in bimetal is inspected upon the onset of the process and is exposed to hydrogen saturation in a three-electrode electrochemical cell at a controlled constant cathode potential for 6 hours. Localized plastic deformation zones are found to form and evolve during the tension of bimetal samples both at the onset and after 6 hour of the electrolytic hydrogenation throughout the plastic yielding in the primary, protective and transitional layers of the bimetal. The bimetal fracture is initiated by stress concentrated in the bimetal transition layer. Nucleation and propagation of a crack is observed at early work-hardening stages. The fracture of bimetal after hydrogenation is established to be more ductile as compared with precursor.

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Effect of Hydrogen on Plastic Strain Localization of Construction Steels

Cited by 16 publications

References 17 publications

The effect of hydrogen on the parameters of plastic deformation localization in low carbon steel

The effect of hydrogen on the parameters of plastic deformation localization in low carbon steel

Plastic Deformation Localization of Low Carbon Steel: Hydrogen Effect

Analysis of Plastic Flow Localization in Bimetal Electrolytically Saturated with Hydrogen

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