Laser Solid-Phase Alloyage of Aluminium with Chromium

Kashkarov, M. S.; Filatov, O. V.; Pogorelov, O. E.

doi:10.15407/mfint.39.01.0083

Cited by 1 publication

(2 citation statements)

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“…Moreover, plastic deformation in modelled samples promotes the mutual migration of atoms on the phase interfaces. Defects, especially dislocations, occurring on phase interfaces, help to transfer diffused (interstitial) atoms into the volume of material in the way described in [5,6].…”

Section: Resultsmentioning

confidence: 99%

“…As shown, the surface alloying takes place by iron cladding on the aluminium-based specimen in the process of ultrasonic impact loading [4]. Impact treatment provides defect formation and atom migration on the phase interface and those atom-transfer processes are mechanically activated, as mechanical activated diffusion described in [5][6][7].…”

Section: Introductionmentioning

confidence: 99%

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Mechanism of Diffusion-Zone Formation at the Al–Fe Phase Interface under Impact-Loading Conditions

Soldatenko¹,

Filatov²,

Mordyuk³

et al. 2023

Metallofiz. Noveishie Tekhnol.

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A molecular dynamics study in combination with experimental research is applied for investigation of diffusion-zone formation on the phase interface between aluminium-based alloy Д16 (2024) and Fe-alloyed layer on its surface formed in the process of ultrasonic impact treatment (UIT) of Д16 alloy by Armco-iron pin. The formation of surface-layer structure, its thickening and diffusion zone formation between base material and alloyed layer is studied by scanning electron microscopy and energy-dispersive x-ray spectroscopic analysis of cross-section of treated samples. In the UIT process, the microstructure in the surface layer becomes finely fragmented and the diffusion zone becomes thicker with increasing of UIT duration. The molecular dynamics simulation is applied to investigate atom behaviour on the phase interface between Al-and Fe-layers, to observe defect formation and its migration in the process of impact loading, which contributes to the formation of diffusion zone and restructuring of near-phase interface layers.

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Section: Resultsmentioning

confidence: 99%