Alititing of surfaces of structural medium carbon steels in vacuum PVD-methods | Izvestiya vuzov. Fizika. 2023. № 1. DOI: 10.17223/00213411/66/1/22

Alititing of surfaces of structural medium carbon steels in vacuum PVD-methods

The processes of superhigh-speed vacuum formation of continuous aluminide layers on structural AISI 1020 and AISI 5135 steels have been studied. The optimal conditions and modes of aluminizing have been determined. The structure, composition, and hardness of diffusion layers formed under the action of a low-energy high-current electron beam on the surface of structural steels with a 1-μm-thick Al coating preliminarily deposited by the vacuum-arc method have been studied. The main characteristics (elemental composition distributions, microhardness, morphology and thickness) of a protective diffusion coating on steel samples are experimentally determined. The possibility of changing the elemental composition to a depth of 30-60 µm from the surface as a result of a thermal pulsed electron-beam action with a duration of 50 µs is shown. It is established that the obtained layers, depending on the type of steel, have a high hardness in the range of 6000-9500 MPa.

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Keywords

aluminizing, vacuum-arc evaporation of aluminum, electron-beam surface treatment of structural steel, X-ray spectral microanalysis, hardness

Authors

Name	Organization	E-mail
Goncharenko I.M.	Institute of High Current Electronics, Siberian Branch, Russian Academy of Sciences	goncharenko@opee.hcei.tsc.ru
Moskvin P.V.	Institute of High Current Electronics, Siberian Branch, Russian Academy of Sciences	pavelmoskvin@mail.ru
Rabotkin S.V.	Institute of High Current Electronics, Siberian Branch, Russian Academy of Sciences	rabotkin@yandex.ru
Grigoriev S.V.	Institute of High Current Electronics, Siberian Branch, Russian Academy of Sciences	grigoriev@opee.hcei.tsc.ru
Petrikova E.A.	Institute of High Current Electronics, Siberian Branch, Russian Academy of Sciences	elizmarkova@yahoo.com

Всего: 5

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