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An analysis of impact testing of high strength low-alloy steels used in ship construction

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2021
399.pdf (728.3Kb)
Authors
Bulatović, Srđan
Aleksić, Vujadin
Milović, Ljubica
Zečević, Bojana
Article (Published version)
Metadata
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Abstract
Brittle damages have been examined widely since welding became common practice when it comes to carrying out robust structures. Welded structure of the ship hull has to be continuous. Brittle damages that occur on hull structures have always been examined thoroughly. Cracks are most commonly initiated at locations where stress concentrators exist. These concentrators can originate due to flaws that occur during the design phase or due to mistakes that occur during the assembly of the structure. When it comes to failures and damages that occur at ship structures, it has been noticed that damages due to brittleness practically always happen at low temperatures. Impact test analysis is significant due to the fact that it replicates the ductile to brittle transition of steel in practically identical range of temperatures for all ship structures. Impact of ductile-brittle transition temperature is an important factor especially because there have been many ship failures and damages in histo...ry. In ship structures made of welded joints of high strength low-alloy (HSLA) steels with their segments (parent metal, weld metal and heat-affected- zone), the toughness test determines the tendency of steel to brittle fracture, respectively the tendency to increase brittleness during exploitation. Parameters obtained by testing the properties of plasticity are the fundamental for the composition of ship structures with the aim of realize strengths under tested load. The test results of high strength low-alloy steel toughness assessment at different test temperatures show that temperature significantly affects the impact toughness of steels and their alloys.

Keywords:
transition temperature / ship construction / impact toughness / high strength low-alloy steel
Source:
Brodogradnja, 2021, 72, 3, 1-12
Publisher:
  • Univ Zagreb Fac Mechanical Engineering & Naval Architecture, Zagreb
Funding / projects:
  • Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 200012 (Istitute of Material Testing of Serbia - IMS, Belgrade) (RS-200012)

DOI: 10.21278/brod72301

ISSN: 0007-215X

WoS: 000704175100001

Scopus: 2-s2.0-85116504408
[ Google Scholar ]
2
URI
http://rims.institutims.rs/handle/123456789/402
Collections
  • Radovi istraživača / Researchers' publications
Institution/Community
Institut za ispitivanje materijala
TY  - JOUR
AU  - Bulatović, Srđan
AU  - Aleksić, Vujadin
AU  - Milović, Ljubica
AU  - Zečević, Bojana
PY  - 2021
UR  - http://rims.institutims.rs/handle/123456789/402
AB  - Brittle damages have been examined widely since welding became common practice when it comes to carrying out robust structures. Welded structure of the ship hull has to be continuous. Brittle damages that occur on hull structures have always been examined thoroughly. Cracks are most commonly initiated at locations where stress concentrators exist. These concentrators can originate due to flaws that occur during the design phase or due to mistakes that occur during the assembly of the structure. When it comes to failures and damages that occur at ship structures, it has been noticed that damages due to brittleness practically always happen at low temperatures. Impact test analysis is significant due to the fact that it replicates the ductile to brittle transition of steel in practically identical range of temperatures for all ship structures. Impact of ductile-brittle transition temperature is an important factor especially because there have been many ship failures and damages in history. In ship structures made of welded joints of high strength low-alloy (HSLA) steels with their segments (parent metal, weld metal and heat-affected- zone), the toughness test determines the tendency of steel to brittle fracture, respectively the tendency to increase brittleness during exploitation. Parameters obtained by testing the properties of plasticity are the fundamental for the composition of ship structures with the aim of realize strengths under tested load. The test results of high strength low-alloy steel toughness assessment at different test temperatures show that temperature significantly affects the impact toughness of steels and their alloys.
PB  - Univ Zagreb Fac Mechanical Engineering & Naval Architecture, Zagreb
T2  - Brodogradnja
T1  - An analysis of impact testing of high strength low-alloy steels used in ship construction
EP  - 12
IS  - 3
SP  - 1
VL  - 72
DO  - 10.21278/brod72301
ER  - 
@article{
author = "Bulatović, Srđan and Aleksić, Vujadin and Milović, Ljubica and Zečević, Bojana",
year = "2021",
abstract = "Brittle damages have been examined widely since welding became common practice when it comes to carrying out robust structures. Welded structure of the ship hull has to be continuous. Brittle damages that occur on hull structures have always been examined thoroughly. Cracks are most commonly initiated at locations where stress concentrators exist. These concentrators can originate due to flaws that occur during the design phase or due to mistakes that occur during the assembly of the structure. When it comes to failures and damages that occur at ship structures, it has been noticed that damages due to brittleness practically always happen at low temperatures. Impact test analysis is significant due to the fact that it replicates the ductile to brittle transition of steel in practically identical range of temperatures for all ship structures. Impact of ductile-brittle transition temperature is an important factor especially because there have been many ship failures and damages in history. In ship structures made of welded joints of high strength low-alloy (HSLA) steels with their segments (parent metal, weld metal and heat-affected- zone), the toughness test determines the tendency of steel to brittle fracture, respectively the tendency to increase brittleness during exploitation. Parameters obtained by testing the properties of plasticity are the fundamental for the composition of ship structures with the aim of realize strengths under tested load. The test results of high strength low-alloy steel toughness assessment at different test temperatures show that temperature significantly affects the impact toughness of steels and their alloys.",
publisher = "Univ Zagreb Fac Mechanical Engineering & Naval Architecture, Zagreb",
journal = "Brodogradnja",
title = "An analysis of impact testing of high strength low-alloy steels used in ship construction",
pages = "12-1",
number = "3",
volume = "72",
doi = "10.21278/brod72301"
}
Bulatović, S., Aleksić, V., Milović, L.,& Zečević, B.. (2021). An analysis of impact testing of high strength low-alloy steels used in ship construction. in Brodogradnja
Univ Zagreb Fac Mechanical Engineering & Naval Architecture, Zagreb., 72(3), 1-12.
https://doi.org/10.21278/brod72301
Bulatović S, Aleksić V, Milović L, Zečević B. An analysis of impact testing of high strength low-alloy steels used in ship construction. in Brodogradnja. 2021;72(3):1-12.
doi:10.21278/brod72301 .
Bulatović, Srđan, Aleksić, Vujadin, Milović, Ljubica, Zečević, Bojana, "An analysis of impact testing of high strength low-alloy steels used in ship construction" in Brodogradnja, 72, no. 3 (2021):1-12,
https://doi.org/10.21278/brod72301 . .

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