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Microstructure and properties of a C-Mn steel subjected to heavy plastic deformation

Muszka, K., Dymek, S., Majta, J. and Hodgson, P. 2010, Microstructure and properties of a C-Mn steel subjected to heavy plastic deformation, Archives of metallurgy and materials, vol. 55, no. 33, pp. 641-645.

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Title Microstructure and properties of a C-Mn steel subjected to heavy plastic deformation
Author(s) Muszka, K.
Dymek, S.
Majta, J.
Hodgson, P.
Journal name Archives of metallurgy and materials
Volume number 55
Issue number 33
Start page 641
End page 645
Total pages 5
Publisher Akademia Gorniczo-Hutnicza im. Stanislawa Staszica
Place of publication Krakow, Poland
Publication date 2010
ISSN 1733-3490
Keyword(s) C-Mn steel
grain refinement
severe plastic deformation
Summary In the present paper an effect of severe plastic deformation (SPD) on the microstructural evolution and properties of a plain C-Mn steel was investigated. The SPD was accomplished by the MaxStrain system which deforms material along two perpendicular axes while the deformation along the third axis is fully constrained. The applied amounts of true strains were 5 and 20 in total. Deformation was conducted at room and 500°C temperatures. Some samples deformed at room temperature were subsequently annealed at 500°C. A microstructural analysis by SEM/EBSD was used for recognition the low- and high-angle grain boundaries. It was found that the collective effect of severe plastic deformation (true strain of 20) and further annealing promotes the formation of high-angle grain boundaries and uniform fine grained microstructure. The refinement of ferrite microstructure results in a significant increase in strength and hardness.
Language eng
Field of Research 091207 Metals and Alloy Materials
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category C1 Refereed article in a scholarly journal
HERDC collection year 2010
Copyright notice ©2010, Akademia Gorniczo-Hutnicza im. Stanislawa Staszica
Persistent URL http://hdl.handle.net/10536/DRO/DU:30034390

Document type: Journal Article
Collection: Centre for Material and Fibre Innovation
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