Studying a multilayer material based on stainless steels and produced by hot pack rolling

The structure of a multilayer metal material produced from a composite blank based on sheets of the 08Kh18 and 08Kh18N10 steels by hot pack rolling has been studied using optical microscopy, as well as scanning and transmission electron microscopy. It has been found that two processing cycles are co...

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Bibliographic Details
Published in:Physics of metals and metallography 2014-04, Vol.115 (4), p.403-412
Main Authors: Tabatchikova, T. I., Yakovleva, I. L., Plokhikh, A. I., Del’gado Reina, S. Yu
Format: Article
Language:English
Subjects:
Blanks
Chemistry and Materials Science
Diffusion
Electron microscopy
Inhomogeneities
Iron compounds
Laminates
Materials Science
Metallic Materials
Multilayers
Pack rolling
Phase Transformations
Scanning electron microscopy
Sheet metal
Steel, Stainless
Structural steels
Structure
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Summary:The structure of a multilayer metal material produced from a composite blank based on sheets of the 08Kh18 and 08Kh18N10 steels by hot pack rolling has been studied using optical microscopy, as well as scanning and transmission electron microscopy. It has been found that two processing cycles are completed in the formation of a laminated structure that is characterized by structural and chemical inhomogeneities due to diffusion and relaxation processes. It has been shown that, during pack rolling, an ultradispersed structure is formed, which is a mixture of ferrite layers elongated in the direction of rolling and of packet martensite layers or layers of carbide-free bainite that has a subgrain structure.
ISSN:0031-918X
1555-6190
DOI:10.1134/S0031918X14040152