Structure of the Surface Layers of Metastable Austenitic Stainless Steel Nitrided in Electron Beam Plasma
- Авторлар: Shabashov V.1, Gavrilov N.2, Kozlov K.1, Makarov A.1,3,4, Titova S.4,5, Voronin V.1
-
Мекемелер:
- Mikheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences
- Institute of Electrophysics, Ural Branch, Russian Academy of Sciences
- Institute of Machine Science, Ural Branch, Russian Academy of Sciences
- Yeltsin Ural Federal University
- Institute of Metallurgy, Ural Branch, Russian Academy of Sciences
- Шығарылым: Том 119, № 8 (2018)
- Беттер: 755-763
- Бөлім: Structure, Phase Transformations, and Diffusion
- URL: https://journals.rcsi.science/0031-918X/article/view/167736
- DOI: https://doi.org/10.1134/S0031918X18080124
- ID: 167736
Дәйексөз келтіру
Аннотация
The effect of the nitriding temperature in electron beam plasma on the structural and phase composition of the surface layers of metastable austenitic stainless steels is studied. Conversion electron Mössbauer spectroscopy shows that nitriding at 350°C results in the transition of the austenite into the α (bcc) phase by the shear mechanism in the surface layers of a plate (tenths of a micron). A nitrogen supersaturated austenite and a mixture of nitrides with a predominant configuration of three nitrogen atoms in the environment of iron are formed in layers 1–5 μm thick. Nitriding at a temperature of 500°C and above leads to nitrogen supersaturated austenite decomposition, the escape of chromium and nitrogen from the matrix into nitrides CrN, Fe4N, and FexN, and the subsequent γ → α phase transformation.
Негізгі сөздер
Авторлар туралы
V. Shabashov
Mikheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences
Хат алмасуға жауапты Автор.
Email: shabashov@imp.uran.ru
Ресей, Ekaterinburg, 620108
N. Gavrilov
Institute of Electrophysics, Ural Branch, Russian Academy of Sciences
Email: shabashov@imp.uran.ru
Ресей, Ekaterinburg, 620016
K. Kozlov
Mikheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences
Email: shabashov@imp.uran.ru
Ресей, Ekaterinburg, 620108
A. Makarov
Mikheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences; Institute of Machine Science, Ural Branch, Russian Academy of Sciences; Yeltsin Ural Federal University
Email: shabashov@imp.uran.ru
Ресей, Ekaterinburg, 620108; Ekaterinburg, 620049; Ekaterinburg, 620002
S. Titova
Yeltsin Ural Federal University; Institute of Metallurgy, Ural Branch, Russian Academy of Sciences
Email: shabashov@imp.uran.ru
Ресей, Ekaterinburg, 620002; Ekaterinburg, 620016
V. Voronin
Mikheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences
Email: shabashov@imp.uran.ru
Ресей, Ekaterinburg, 620108