Dependence of the probability of formation of laves phases of various crystal structures on the density of stacking faults

Vishnyakov, Ya. D.; Fainshtein, G. S.

doi:10.1007/bf00820070

Cited by 4 publications

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“…The X-ray investigations in this study, as well as in previous works [10, 11], have shown that, as a result of cyclic γ-ε-γ transformations in reverted austenite and ε-martensite of ferromanganese alloys with low-energy packaging defects, the chaotic stacking faults were formed along crystallographic plane {001} ε . As a result of cyclic γ-ε-γ transformations, the chaotic stacking faults had the ability to accumulate.…”

Section: Resultssupporting

confidence: 74%

Cyclic Martensitic Transformations Influence on the Diffusion Of Carbon Atoms in Fe-18 wt.%Mn-2 wt.%Si alloy

et al. 2017

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A significant carbon diffusion mobility acceleration as a result of cyclic γ↔ε martensitic transformations in iron-manganese alloy is determined by one- and two-dimensional structure defects of ε-martensite with face-centered close-packed lattice. Such defects (dislocations, low angle sub-boundaries of dislocations, chaotic stacking faults) were formed during cyclic γ↔ε martensitic transformations. Peak carbon diffusion coefficient increase was observed under thermocycling when maximum quantity of lattice defects increase was fixed.

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Section: Resultssupporting

confidence: 74%

Cyclic Martensitic Transformations Influence on the Diffusion Of Carbon Atoms in Fe-18 wt.%Mn-2 wt.%Si alloy

et al. 2017

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“…CSF concentration in fcc austenite lattice was determined from the mutual shift of the Bragg (200) γ and (111) γ reflections [ 8 – 10 ]. In hcp lattice of the ε-martensite, CSF concentration was obtained using broadening reflections which satisfy the conditions: h − k = 3N ± 1 and l ≠ 0 (N—integers) [ 9 , 11 , 12 ].…”

Section: Resultsmentioning

confidence: 99%

The Formation of Crystal Defects in a Fe-Mn-Si Alloy Under Cyclic Martensitic Transformations

Бондар¹,

Danil'chenko²,

Iakovlev³

2016

Nanoscale Res Lett

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“…In [19,20] there are data on the influence of the external magnetic field strength on the decrease in the stacking faults energy. This influence is due, in our opinion, to the small magnetostrictive deformations action in microvolumes of austenite with short-range spin order.…”

Section: Calculation Of the Change In The Nucleation Ratementioning

confidence: 99%

The Formation Energy of Martensite Nuclei and the Phase Transition Kinetics under the Action of an External Magnetic Field

Pustovoit

Dolgachev

2021

DDF

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The formation energy of martensite nuclei in the austenite matrix is calculated. Nanoclusters with ferromagnetic order, which exist in austenite above the Curie temperature, reduce the formation energy of a critical martensite nucleation center when exposed to an external magnetic field. The data obtained are explained by the magnetic separation of the initial phase under the action of a magnetic field. A fluctuation increase in nanovolumes with a ferromagnetic order in austenite increases the energy in a atoms group of the matrix phase with a parallel spins arrangement. As a result, the nucleation rate of the martensite phase increases and the martensitic transformation proceeds more completely.

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Dependence of the probability of formation of laves phases of various crystal structures on the density of stacking faults

Cited by 4 publications

References 0 publications

Cyclic Martensitic Transformations Influence on the Diffusion Of Carbon Atoms in Fe-18 wt.%Mn-2 wt.%Si alloy

Cyclic Martensitic Transformations Influence on the Diffusion Of Carbon Atoms in Fe-18 wt.%Mn-2 wt.%Si alloy

The Formation of Crystal Defects in a Fe-Mn-Si Alloy Under Cyclic Martensitic Transformations

The Formation Energy of Martensite Nuclei and the Phase Transition Kinetics under the Action of an External Magnetic Field

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