INFLUENCE OF SEVERE PLASTIC DEFORMATION BY THE ECAP METHOD ON STRUCTURE AND PROPERTIES OF THE LOW-CARBON STEEL

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F25870807%3A_____%2F18%3AN0000040" target="_blank" >RIV/25870807:_____/18:N0000040 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
INFLUENCE OF SEVERE PLASTIC DEFORMATION BY THE ECAP METHOD ON STRUCTURE AND PROPERTIES OF THE LOW-CARBON STEEL
Original language description
The article presents results of investigation of structure and properties of low-carbon steel after application of Equal Channel Angular Pressing (ECAP) at the temperature of approx. 290 °C. The ECAP method lead to significant improvement of strength of investigated material. Investigation of structure was made by combination of TEM and FEG SEM together with EBSD. It was proven that the ECAP method enables obtaining of ultra fine-grained ferritic structure formed by re-crystallised grains with very low dislocation density and a small fraction of spheroidised carbides, which occured ussually at the ferritic grain boundaries. It was established with use of the EBSD technique that after 8 passes through the ECAP die the sub-grains with misorientation angles smaller than 10°formed less than 20 % of the final structure. Average size of ferrite grains with high-angle boundaries after 8 passes was approx. 0.32 um
Czech name
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Czech description
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Project
<a href="/en/project/LO1203" target="_blank" >LO1203: Regional Materials Science and Technology Centre - Feasibility Program</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2018
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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