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Fracture assessment of seam and seamless steel pipes by application of the ring-shaped bending specimens

Authorized Users Only
2019
Authors
Musrati, Walid
Međo, Bojan
Gubeljak, Nenad
Stefane, Primoz
Veljić, Darko
Sedmak, Aleksandar
Rakin, Marko
Article (Published version)
Metadata
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Abstract
The topic of this work is analysis of fracture behaviour and resistance of the thin-walled seamless and seam steel pipes, through application of the recently proposed ring-shaped specimen (PRNB - Pipe Ring Notched Bend). The main loading of these pipes in exploitation is internal pressure, which is why axial defects present a significant threat to their integrity and work safety. The ring-shaped specimen geometry is fairly simple to fabricate from a new or exploited pipeline and the specimens have the same thermo-mechanical treatment, assembly conditions, etc. as the actual structure. Experimental-numerical procedure is applied for prediction of the fracture behaviour; this included material characterisation, testing of ring specimens by bending, as well as micromechanical analysis of ductile fracture. In experimental testing, the deformation of the specimens is monitored by using the stereometric measurement system. Numerical analysis is performed in software package Simulia Abaqus, i...ncluding the application of the micromechanical Complete Gurson model (CGM). The results obtained in this study, along with some previously published results, lead to conclusion that PRNB specimen is a good option for testing of fracture resistance of cylindrical elements such as pipes.

Keywords:
Ductile fracture / Seam and seamless steel pipes / Stress concentrator / Micromechanical analysis / Complete Gurson model
Source:
Theoretical and Applied Fracture Mechanics, 2019, 103
Publisher:
  • Elsevier, Amsterdam
Funding / projects:
  • Micromechanical criteria of damage and fracture (RS-174004)

DOI: 10.1016/j.tafmec.2019.102302

ISSN: 0167-8442

WoS: 000489191500071

Scopus: 2-s2.0-85069819796
[ Google Scholar ]
4
2
URI
http://TechnoRep.tmf.bg.ac.rs/handle/123456789/4055
Collections
  • Radovi istraživača (Inovacioni centar) / Researchers’ publications (Innovation Centre)
  • Radovi istraživača / Researchers’ publications (TMF)
Institution/Community
Tehnološko-metalurški fakultet
TY  - JOUR
AU  - Musrati, Walid
AU  - Međo, Bojan
AU  - Gubeljak, Nenad
AU  - Stefane, Primoz
AU  - Veljić, Darko
AU  - Sedmak, Aleksandar
AU  - Rakin, Marko
PY  - 2019
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/4055
AB  - The topic of this work is analysis of fracture behaviour and resistance of the thin-walled seamless and seam steel pipes, through application of the recently proposed ring-shaped specimen (PRNB - Pipe Ring Notched Bend). The main loading of these pipes in exploitation is internal pressure, which is why axial defects present a significant threat to their integrity and work safety. The ring-shaped specimen geometry is fairly simple to fabricate from a new or exploited pipeline and the specimens have the same thermo-mechanical treatment, assembly conditions, etc. as the actual structure. Experimental-numerical procedure is applied for prediction of the fracture behaviour; this included material characterisation, testing of ring specimens by bending, as well as micromechanical analysis of ductile fracture. In experimental testing, the deformation of the specimens is monitored by using the stereometric measurement system. Numerical analysis is performed in software package Simulia Abaqus, including the application of the micromechanical Complete Gurson model (CGM). The results obtained in this study, along with some previously published results, lead to conclusion that PRNB specimen is a good option for testing of fracture resistance of cylindrical elements such as pipes.
PB  - Elsevier, Amsterdam
T2  - Theoretical and Applied Fracture Mechanics
T1  - Fracture assessment of seam and seamless steel pipes by application of the ring-shaped bending specimens
VL  - 103
DO  - 10.1016/j.tafmec.2019.102302
UR  - conv_5946
ER  - 
@article{
author = "Musrati, Walid and Međo, Bojan and Gubeljak, Nenad and Stefane, Primoz and Veljić, Darko and Sedmak, Aleksandar and Rakin, Marko",
year = "2019",
abstract = "The topic of this work is analysis of fracture behaviour and resistance of the thin-walled seamless and seam steel pipes, through application of the recently proposed ring-shaped specimen (PRNB - Pipe Ring Notched Bend). The main loading of these pipes in exploitation is internal pressure, which is why axial defects present a significant threat to their integrity and work safety. The ring-shaped specimen geometry is fairly simple to fabricate from a new or exploited pipeline and the specimens have the same thermo-mechanical treatment, assembly conditions, etc. as the actual structure. Experimental-numerical procedure is applied for prediction of the fracture behaviour; this included material characterisation, testing of ring specimens by bending, as well as micromechanical analysis of ductile fracture. In experimental testing, the deformation of the specimens is monitored by using the stereometric measurement system. Numerical analysis is performed in software package Simulia Abaqus, including the application of the micromechanical Complete Gurson model (CGM). The results obtained in this study, along with some previously published results, lead to conclusion that PRNB specimen is a good option for testing of fracture resistance of cylindrical elements such as pipes.",
publisher = "Elsevier, Amsterdam",
journal = "Theoretical and Applied Fracture Mechanics",
title = "Fracture assessment of seam and seamless steel pipes by application of the ring-shaped bending specimens",
volume = "103",
doi = "10.1016/j.tafmec.2019.102302",
url = "conv_5946"
}
Musrati, W., Međo, B., Gubeljak, N., Stefane, P., Veljić, D., Sedmak, A.,& Rakin, M.. (2019). Fracture assessment of seam and seamless steel pipes by application of the ring-shaped bending specimens. in Theoretical and Applied Fracture Mechanics
Elsevier, Amsterdam., 103.
https://doi.org/10.1016/j.tafmec.2019.102302
conv_5946
Musrati W, Međo B, Gubeljak N, Stefane P, Veljić D, Sedmak A, Rakin M. Fracture assessment of seam and seamless steel pipes by application of the ring-shaped bending specimens. in Theoretical and Applied Fracture Mechanics. 2019;103.
doi:10.1016/j.tafmec.2019.102302
conv_5946 .
Musrati, Walid, Međo, Bojan, Gubeljak, Nenad, Stefane, Primoz, Veljić, Darko, Sedmak, Aleksandar, Rakin, Marko, "Fracture assessment of seam and seamless steel pipes by application of the ring-shaped bending specimens" in Theoretical and Applied Fracture Mechanics, 103 (2019),
https://doi.org/10.1016/j.tafmec.2019.102302 .,
conv_5946 .

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