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Materiale Plastice
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https://doi.org/10.37358/Mat.Plast.1964

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Materiale Plastice (Mater. Plast.), Year 2017, Volume 54, Issue 3, 409-413

https://doi.org/10.37358/MP.17.3.4861

Carmen Otilia Rusanescu, Cosmin Jinescu, Marin Rusanescu, Maria Cristiana Enescu, Florina Violeta Anghelina, Elena Valentina Stoian, Veronica Despa

Mathematical Modelling of the Stress-Strain Curve for 31VMn12 Ecological Steel


Abstract:
In this paper, optimum hot formation processing parameters for 31VMn12 steel were established, the torsion deformation of 31VMn12 steel was investigated at temperatures from 900, 1000, 11000C and strain rates from 0.05 s-1 to 3 s. -1. There were studied the structural aspects of materials, in microstructures by electronic microscopy. The stress level decreases with increasing deformation temperature and decreasing strain rate, which can be represented by a Zenner-Hollomon parameter. The mathematical model presented in the paper describes the relationship of tension strain, voltage and temperature coefficient 31VMn12 steel at high temperatures. The stress-strain curves determined by the torsion test allowed the calculation of the Zenner-Hollomon parameter corresponding to the maximum stress. By using this parameter has established a set of equations that reproduce completely stress-strain curve, including the hardening, the restoration and dynamic recrystallization area. Comparisons were made between the experimental results and the predicted and confirmed that constitutive equations developed can be used for mathematical modelling and other attempts (forging, compression) and other types of steel.


Keywords:
flow stress; hot compression deformation; the Zener Hollomon parameter; constitutive equation; activation energy

Issue: 2017 Volume 54, Issue 3
Pages: 409-413
Publication date: 2017/9/30
https://doi.org/10.37358/MP.17.3.4861
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Creative Commons License
This article is published under the Creative Commons Attribution 4.0 International License
Citation Styles
Cite this article as:
RUSANESCU, C.O., JINESCU, C., RUSANESCU, M., ENESCU, M.C., ANGHELINA, F.V., STOIAN, E.V., DESPA, V., Mathematical Modelling of the Stress-Strain Curve for 31VMn12 Ecological Steel, Mater. Plast., 54(3), 2017, 409-413.

Vancouver
Rusanescu CO, Jinescu C, Rusanescu M, Enescu MC, Anghelina FV, Stoian EV, Despa V. Mathematical Modelling of the Stress-Strain Curve for 31VMn12 Ecological Steel. Mater. Plast.[internet]. 2017 Jul;54(3):409-413. Available from: https://doi.org/10.37358/MP.17.3.4861


APA 6th edition
Rusanescu, C.O., Jinescu, C., Rusanescu, M., Enescu, M.C., Anghelina, F.V., Stoian, E.V. & Despa, V. (2017). Mathematical Modelling of the Stress-Strain Curve for 31VMn12 Ecological Steel. Materiale Plastice, 54(3), 409-413. https://doi.org/10.37358/MP.17.3.4861


Harvard
Rusanescu, C.O., Jinescu, C., Rusanescu, M., Enescu, M.C., Anghelina, F.V., Stoian, E.V., Despa, V. (2017). 'Mathematical Modelling of the Stress-Strain Curve for 31VMn12 Ecological Steel', Materiale Plastice, 54(3), pp. 409-413. https://doi.org/10.37358/MP.17.3.4861


IEEE
C.O. Rusanescu, C. Jinescu, M. Rusanescu, M.C. Enescu, F.V. Anghelina, E.V. Stoian, V. Despa, "Mathematical Modelling of the Stress-Strain Curve for 31VMn12 Ecological Steel". Materiale Plastice, vol. 54, no. 3, pp. 409-413, 2017. [online]. https://doi.org/10.37358/MP.17.3.4861


Text
Carmen Otilia Rusanescu, Cosmin Jinescu, Marin Rusanescu, Maria Cristiana Enescu, Florina Violeta Anghelina, Elena Valentina Stoian, Veronica Despa,
Mathematical Modelling of the Stress-Strain Curve for 31VMn12 Ecological Steel,
Materiale Plastice,
Volume 54, Issue 3,
2017,
Pages 409-413,
ISSN 2668-8220,
https://doi.org/10.37358/MP.17.3.4861.
(https://revmaterialeplastice.ro/Articlegs.asp?ID=4861)
Keywords: flow stress; hot compression deformation; the Zener Hollomon parameter; constitutive equation; activation energy


RIS
TY - JOUR
T1 - Mathematical Modelling of the Stress-Strain Curve for 31VMn12 Ecological Steel
A1 - Rusanescu, Carmen Otilia
A2 - Jinescu, Cosmin
A3 - Rusanescu, Marin
A4 - Enescu, Maria Cristiana
A5 - Anghelina, Florina Violeta
A6 - Stoian, Elena Valentina
A7 - Despa, Veronica
JF - Materiale Plastice
JO - Mater. Plast.
PB - Materiale Plastice SRL
SN - 2668-8220
Y1 - 2017
VL - 54
IS - 3
SP - 409
EP - 413
UR - https://doi.org/10.37358/MP.17.3.4861
KW - flow stress
KW - hot compression deformation
KW - the Zener Hollomon parameter
KW - constitutive equation
KW - activation energy
ER -


BibTex
@article{MatPlast2017P409,
author = {Rusanescu Carmen Otilia and Jinescu Cosmin and Rusanescu Marin and Enescu Maria Cristiana and Anghelina Florina Violeta and Stoian Elena Valentina and Despa Veronica},
title = {Mathematical Modelling of the Stress-Strain Curve for 31VMn12 Ecological Steel},
journal = {Materiale Plastice},
volume = {54},
number = {3},
pages = {409-413},
year = {2017},
issn = {2668-8220},
doi = {https://doi.org/10.37358/MP.17.3.4861},
url = {https://revmaterialeplastice.ro/Articlegs.asp?ID=4861}
}
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