Hot Deformation Behavior of Non-Alloyed Carbon Steels
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27360%2F22%3A10249028" target="_blank" >RIV/61989100:27360/22:10249028 - isvavai.cz</a>
Result on the web
<a href="https://www.mdpi.com/1996-1944/15/2/595" target="_blank" >https://www.mdpi.com/1996-1944/15/2/595</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.3390/ma15020595" target="_blank" >10.3390/ma15020595</a>
Alternative languages
Result language
angličtina
Original language name
Hot Deformation Behavior of Non-Alloyed Carbon Steels
Original language description
The hot deformation behavior of selected non-alloyed carbon steels was investigated by isothermal continuous uniaxial compression tests. Based on the analysis of experimentally determined flow stress curves, material constants suitable for predicting peak flow stress sigma(p), peak strain epsilon(p) and critical strain epsilon(crDRX) necessary to induce dynamic recrystallization and the corresponding critical flow stresses sigma(crDRX) were determined. The validity of the predicted critical strains epsilon(crDRX) was then experimentally verified. Fine dynamically recrystallized grains, which formed at the boundaries of the original austenitic grains, were detected in the microstructure of additionally deformed specimens from low-carbon investigated steels. Furthermore, equations describing with perfect accuracy a simple linear dependence of the critical strain epsilon(crDRX) on peak strain epsilon(p) were derived for all investigated steels. The determined hot deformation activation energy Q decreased with increasing carbon content (also with increasing carbon equivalent value) in all investigated steels. A logarithmic equation described this dependency with reasonable accuracy. Individual flow stress curves of the investigated steels were mathematically described using the Cingara and McQueen model, while the predicted flow stresses showed excellent accuracy, especially in the strains ranging from 0 to epsilon(p).
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
—
OECD FORD branch
20501 - Materials engineering
Result continuities
Project
<a href="/en/project/EF17_049%2F0008399" target="_blank" >EF17_049/0008399: Development of inter-sector cooperation of RMSTC with the application sphere in the field of advanced research and innovations of classical metal materials and technologies using modelling methods</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>S - Specificky vyzkum na vysokych skolach
Others
Publication year
2022
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Materials
ISSN
1996-1944
e-ISSN
1996-1944
Volume of the periodical
15
Issue of the periodical within the volume
2
Country of publishing house
CH - SWITZERLAND
Number of pages
26
Pages from-to
nestrankovano
UT code for WoS article
000747242800001
EID of the result in the Scopus database
2-s2.0-85122938023