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Analysis of crack initiation by micromechanism of ductile fracture in structural steel

Analiza nastanka prsline mikromehanizmom žilavog loma u konstrukcionom čeliku

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Authors
Rakin, Marko
Cvijović, Zorica
Grabulov, Vencislav
Blačić, Ivo
Zrilić, Milorad
Putić, Slaviša
Article (Published version)
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Abstract
In the presented paper a micromechanical model based on a particular flow criterion of a porous solid has been applied. In this study crack initiation in the smooth specimen made of steel 22 NiMoCr 3 7 has been analyzed; the micromechanical model was incorporated into the finite element (FE) program. Initial data related to non-metallic inclusions were determined by the quantitative optical microscopy. The study was performed within the scope of ESIS TC8 Numerical Round Robin on Micromechanical Models, Phase II, Task A.... .
U radu je primenjen mikromehanički model zasnovan na posebnom kriterijumu plastičnog tečenja materijala. Nastanak prsline izazvan pojavom, rastom i spajanjem šupljina, analiziran je na osnovu ponašanja pri zatezanju glatke cilindrične epruvete izrađene od čelika 22 NiMoCr 3 7. Ulazni podaci za proračun koji se odnose na zastupljenost i veličinu nemetalnih uključaka su određeni optičkom mikroskopijom. Dobijeni rezultati ukazuju da primenjeni mikromehanički model može da se koristi za karakterizaciju materijala i analizu pojave prsline u standardnoj epruveti izrađenoj od konstrukcionog čelika, a da je kvantitativna metalurška analiza neophodna za opis prve faze žilavog loma - nastanak šupljina. .
Keywords:
ductile fracture of structural steel / micromechanical model / finite element method / žilav lom konstrukcionog čelika / mikromehanički modeli / kvantitativna metalografska analiza / metoda konačnih elemenata (MKE)
Source:
Naučno-tehnički pregled, 2001, 51, 2, 13-17
Publisher:
  • Vojnotehnički institut, Beograd

ISSN: 0350-0667

[ Google Scholar ]
Handle
https://hdl.handle.net/21.15107/rcub_technorep_386
URI
http://TechnoRep.tmf.bg.ac.rs/handle/123456789/386
Collections
  • Radovi istraživača / Researchers’ publications (TMF)
Institution/Community
Tehnološko-metalurški fakultet
TY  - JOUR
AU  - Rakin, Marko
AU  - Cvijović, Zorica
AU  - Grabulov, Vencislav
AU  - Blačić, Ivo
AU  - Zrilić, Milorad
AU  - Putić, Slaviša
PY  - 2001
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/386
AB  - In the presented paper a micromechanical model based on a particular flow criterion of a porous solid has been applied. In this study crack initiation in the smooth specimen made of steel 22 NiMoCr 3 7 has been analyzed; the micromechanical model was incorporated into the finite element (FE) program. Initial data related to non-metallic inclusions were determined by the quantitative optical microscopy. The study was performed within the scope of ESIS TC8 Numerical Round Robin on Micromechanical Models, Phase II, Task A.... .
AB  - U radu je primenjen mikromehanički model zasnovan na posebnom kriterijumu plastičnog tečenja materijala. Nastanak prsline izazvan pojavom, rastom i spajanjem šupljina, analiziran je na osnovu ponašanja pri zatezanju glatke cilindrične epruvete izrađene od čelika 22 NiMoCr 3 7. Ulazni podaci za proračun koji se odnose na zastupljenost i veličinu nemetalnih uključaka su određeni optičkom mikroskopijom. Dobijeni rezultati ukazuju da primenjeni mikromehanički model može da se koristi za karakterizaciju materijala i analizu pojave prsline u standardnoj epruveti izrađenoj od konstrukcionog čelika, a da je kvantitativna metalurška analiza neophodna za opis prve faze žilavog loma - nastanak šupljina. .
PB  - Vojnotehnički institut, Beograd
T2  - Naučno-tehnički pregled
T1  - Analysis of crack initiation by micromechanism of ductile fracture in structural steel
T1  - Analiza nastanka prsline mikromehanizmom žilavog loma u konstrukcionom čeliku
EP  - 17
IS  - 2
SP  - 13
VL  - 51
UR  - https://hdl.handle.net/21.15107/rcub_technorep_386
ER  - 
@article{
author = "Rakin, Marko and Cvijović, Zorica and Grabulov, Vencislav and Blačić, Ivo and Zrilić, Milorad and Putić, Slaviša",
year = "2001",
abstract = "In the presented paper a micromechanical model based on a particular flow criterion of a porous solid has been applied. In this study crack initiation in the smooth specimen made of steel 22 NiMoCr 3 7 has been analyzed; the micromechanical model was incorporated into the finite element (FE) program. Initial data related to non-metallic inclusions were determined by the quantitative optical microscopy. The study was performed within the scope of ESIS TC8 Numerical Round Robin on Micromechanical Models, Phase II, Task A.... ., U radu je primenjen mikromehanički model zasnovan na posebnom kriterijumu plastičnog tečenja materijala. Nastanak prsline izazvan pojavom, rastom i spajanjem šupljina, analiziran je na osnovu ponašanja pri zatezanju glatke cilindrične epruvete izrađene od čelika 22 NiMoCr 3 7. Ulazni podaci za proračun koji se odnose na zastupljenost i veličinu nemetalnih uključaka su određeni optičkom mikroskopijom. Dobijeni rezultati ukazuju da primenjeni mikromehanički model može da se koristi za karakterizaciju materijala i analizu pojave prsline u standardnoj epruveti izrađenoj od konstrukcionog čelika, a da je kvantitativna metalurška analiza neophodna za opis prve faze žilavog loma - nastanak šupljina. .",
publisher = "Vojnotehnički institut, Beograd",
journal = "Naučno-tehnički pregled",
title = "Analysis of crack initiation by micromechanism of ductile fracture in structural steel, Analiza nastanka prsline mikromehanizmom žilavog loma u konstrukcionom čeliku",
pages = "17-13",
number = "2",
volume = "51",
url = "https://hdl.handle.net/21.15107/rcub_technorep_386"
}
Rakin, M., Cvijović, Z., Grabulov, V., Blačić, I., Zrilić, M.,& Putić, S.. (2001). Analysis of crack initiation by micromechanism of ductile fracture in structural steel. in Naučno-tehnički pregled
Vojnotehnički institut, Beograd., 51(2), 13-17.
https://hdl.handle.net/21.15107/rcub_technorep_386
Rakin M, Cvijović Z, Grabulov V, Blačić I, Zrilić M, Putić S. Analysis of crack initiation by micromechanism of ductile fracture in structural steel. in Naučno-tehnički pregled. 2001;51(2):13-17.
https://hdl.handle.net/21.15107/rcub_technorep_386 .
Rakin, Marko, Cvijović, Zorica, Grabulov, Vencislav, Blačić, Ivo, Zrilić, Milorad, Putić, Slaviša, "Analysis of crack initiation by micromechanism of ductile fracture in structural steel" in Naučno-tehnički pregled, 51, no. 2 (2001):13-17,
https://hdl.handle.net/21.15107/rcub_technorep_386 .

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