Short-Range Atomic Ordering Accelerated by Severe Plastic Deformation in FCC Invar Fe–Ni Alloys

• Published in: Physics of metals and metallography Vol. 120; no. 7; pp. 686 - 693
• Main Authors: Shabashov, V. A., Kozlov, K. A., Zamatovskii, A. E., Lyashkov, K. A., Sagaradze, V. V., Danilov, S. E.
• Format: Journal Article
• Language: English
• Published: Moscow Pleiades Publishing 01-07-2019; Springer; Springer Nature B.V
• Subjects: Chemistry and Materials Science; Degassing of metals; Diffusion; Electron irradiation; Ferrous alloys; Heat resistant alloys; High energy electrons; Low expansion alloys; Materials Science; Metallic Materials; Metals; Mossbauer spectroscopy; Phase Transformations; Plastic deformation; Structure; Fe–Ni alloys; ordering; irradiation; plastic deformation; Mössbauer spectroscopy
• ISSN: 0031-918X; 1555-6190
• DOI: 10.1134/S0031918X19070081

The deformation-enhanced atomic redistribution, i.e., accelerated ordering upon warm (573 K) and disordering upon cold (298 K) high pressure torsion, has been investigated using Mössbauer spectroscopy in the binary invar Fe
100 –
x
Ni
x
(
x
= 34.2–35.5 at %) alloys. Results of deformation-induced ordering and high-energy electron irradiation have been compared.