Effect of Diffusion Processes During Pack Rolling on Multilayer Material Stability

Results are provided for a study of diffusion redistribution of chromium and nickel in multilayer metallic materials prepared by hot pack rolling. The choice of steels for forming the original binary composite multilayer materials is based on the assumption of the mutual effect of the main alloying...

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Bibliographic Details
Published in:Metallurgist (New York) 2018-09, Vol.62 (5-6), p.432-439
Main Authors: Vlasova, D. V., Plokhikh, A. I., Semenov, M. Yu, Polyanskii, V. M., Safonov, M. D.
Format: Article
Language:English
Subjects:
Alloying effects
Alloying elements
Analysis
Austenitic stainless steels
Characterization and Evaluation of Materials
Chemistry and Materials Science
Chromium
Diffusion effects
Diffusion layers
Diffusion rate
Materials Science
Materials selection
Metallic Materials
Multilayers
Nickel
Pack rolling
Steel
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Summary:Results are provided for a study of diffusion redistribution of chromium and nickel in multilayer metallic materials prepared by hot pack rolling. The choice of steels for forming the original binary composite multilayer materials is based on the assumption of the mutual effect of the main alloying elements and carbon. Multilayer materials are studied based on steels 08kp + 08Kh18, 08kp + 08Kh18N10, U8 + 08Kh18, and U8 + 08Kh18N10, having 100 layers after the first and 1500 layers after the second production cycles. It is shown that the diffusion mobility of chromium between layers is the main reason for a slowdown in nickel diffusion. Results of mathematical modeling compare well with the experimental data obtained.
ISSN:0026-0894
1573-8892
DOI:10.1007/s11015-018-0678-y