Changes in physical-mechanical properties and structure of ferritic-pearlitic steel 15Kh2NMFA caused by severe low-temperature deformation and exposure to alternating magnetic field

Sokolenko, V. I.; Mats, A. V.; Karas, V. I.; Okovit, V.S.; Chernyak, N.A.; Gorbatenko, V. M.

doi:10.1063/1.4916075

Cited by 3 publications

(3 citation statements)

References 7 publications

(5 reference statements)

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“…From the available experimental data, it follows that the efficiency of magnetic action is most pronounced in the areas of structure inhomogeneity and internal stresses concentration [3][4][5][6][7][8]. The non-equilibrium existing in the material is the most important factor providing the sensitivity of the defect structure to MT.…”

Section: Structure Transformation Model During Mtmentioning

confidence: 99%

“…To interpret structural rearrangements, let us estimate the limiting magnetostrictive stresses M ~ λ s E, where λ s is the saturation magnetostriction and E is the elastic modulus of steel. We obtain the value of M ~ 5 MPa, which be 0.15 02 , where  02 is the experimentally determined value of the yield strength of steel caused by severe deformation [6].…”

Section: Structure Transformation Model During Mtmentioning

confidence: 99%

“…It was shown that as a result of MT for samples of the vessel steel, predeformed to a high degree, and welded joints of this steel, a drop in internal stresses level is realized. A more uniform distribution of these stresses, a magnetic texture appeared and a significant improvement in the complex of mechanical properties are established [3][4][5][6][7][8]. Note that when a pulsed magnetic field is used, the internal stresses level the deformed 30CrMnSi steel samples also decreases [9].…”

Section: Introductionmentioning

confidence: 99%

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MICROPLASTICITY OF 15Kh2NMFA VESSEL STEEL IN A STRESS-STRAIN STATE DURING MAGNETIC TREATMENT

Chernyak¹,

Sokolenko²

2022

Problems of Atomic Science and Technology

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Earlier it was found that the treatment of pre-strained ferrite-pearlite vessel steel 15Kh2NMFA, welded joints of this steel by alternating magnetic field of industrial frequency leads to a decrease in the level and alignment of the stress field’s relief and significantly improves the complex of physical and mechanical properties. When non-stationary magnetic fields are applied to a structurally inhomogeneous ferromagnetic material, several different mechanisms of rearrangement of the domain and defect structure can act. In this work, we propose a model of dislocation system response of ferromagnetic in a stress-strain state to a magnetic effect, based on the microscopic properties of dislocations in a mechanically unstable state.

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Section: Structure Transformation Model During Mtmentioning

confidence: 99%

Section: Structure Transformation Model During Mtmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

MICROPLASTICITY OF 15Kh2NMFA VESSEL STEEL IN A STRESS-STRAIN STATE DURING MAGNETIC TREATMENT

Chernyak¹,

Sokolenko²

2022

Problems of Atomic Science and Technology

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Low-temperature investigations of the physico-mechanical properties of solids and topical problems of cryogenic materials science: Studies in NSC kIPT NAS of Ukraine related to V. I. Startsev’s scientific activity (Review article)

Sokolenko

2023

Low Temperature Physics

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The review presents the most significant scientific results obtained at the NSC KIPT NAS of Ukraine during low-temperature studies of the physical and mechanical properties of a wide range of metals and alloys over the period from the second half of the 30 s of the 20th century to recent years. During this period, a school in the field of physics of strength and plasticity was formed at the Institute, at the origins of which were I. V. Obreimov, R. I. Garber, V. I. Startsev, V. I. Khotkevich, B. G. Lazarev, and I. A. Gindin. As a result of the studies of these famous scientists, their students and followers, fundamental concepts in the field of low-temperature physics of strength and plasticity of solids and cryogenic materials science have been developed. The relevance of the results obtained is also confirmed by the development of modern cryogenic and aerospace engineering, nuclear and hydrogen energy, electronics, etc.

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Change of Stress Intensity Coefficient at the Tip of a Crack-Like Defect in a Pipe Subjected to Bending After in-Line Magnetic Flaw Detection

Ilyasova

Naumkin

Кузеев

2022

ntj-oil

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Changes in physical-mechanical properties and structure of ferritic-pearlitic steel 15Kh2NMFA caused by severe low-temperature deformation and exposure to alternating magnetic field

Cited by 3 publications

References 7 publications

MICROPLASTICITY OF 15Kh2NMFA VESSEL STEEL IN A STRESS-STRAIN STATE DURING MAGNETIC TREATMENT

MICROPLASTICITY OF 15Kh2NMFA VESSEL STEEL IN A STRESS-STRAIN STATE DURING MAGNETIC TREATMENT

Low-temperature investigations of the physico-mechanical properties of solids and topical problems of cryogenic materials science: Studies in NSC kIPT NAS of Ukraine related to V. I. Startsev’s scientific activity (Review article)

Change of Stress Intensity Coefficient at the Tip of a Crack-Like Defect in a Pipe Subjected to Bending After in-Line Magnetic Flaw Detection

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