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Title:
Lomno obnašanje konstrukcijskega jekla v temperaturno prehodnem območju
Authors:
ID
Štefane, Primož
(Author)
ID
Gubeljak, Nenad
(Mentor)
More about this mentor...
ID
Predan, Jožef
(Comentor)
Files:
MAG_Stefane_Primoz_2014.pdf
(2,77 MB)
MD5: D32F6C72D1F2F45AC24D9F6C361C26D5
Language:
Slovenian
Work type:
Master's thesis/paper
Typology:
2.09 - Master's Thesis
Organization:
FS - Faculty of Mechanical Engineering
Abstract:
Vsebina magistrske naloge opisuje lomno obnašanje konstrukcijskih jekel v odvisnosti od temperature v temperaturno prehodnem območju. Izrazit raztros, ki ga konstrukcijska jekla kažejo v temperaturno prehodnem območju, je posledica vpliva napetostnega oz. deformacijskega stanja na mikrostrukturo jekla oz. na vsebino krhkih območij (vključkov, izločkov ali napak v materialu). Parameter m, ki definira razmerje med CTODel in Jel v odvisnosti od napetostno- deformacijskega stanja na konici razpoke, se spreminja glede na delež ravninsko deformacijskega stanja (RDS) in ravninsko napetostnega stanja (RNS) skozi temperaturno prehodno področje. V okviru naloge bo določena odvisnost med parametrom m in lomnim obnašanjem konstrukcijskih jekel skozi temperaturno prehodno področje.
Keywords:
feritno jeklo
,
temperaturno prehodno območje
,
lomna žilavost
,
mehanika loma
Place of publishing:
Maribor
Publisher:
[P. Štefane]
Year of publishing:
2014
PID:
20.500.12556/DKUM-46016
UDC:
539.42:669.14.018.291(043.2)
COBISS.SI-ID:
18338326
NUK URN:
URN:SI:UM:DK:XJ7QE3ZG
Publication date in DKUM:
29.10.2014
Views:
2038
Downloads:
342
Metadata:
Categories:
KTFMB - FS
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:
ŠTEFANE, Primož, 2014,
Lomno obnašanje konstrukcijskega jekla v temperaturno prehodnem območju
[online]. Master’s thesis. Maribor : P. Štefane. [Accessed 25 April 2025]. Retrieved from: https://dk.um.si/IzpisGradiva.php?lang=eng&id=46016
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Secondary language
Language:
English
Title:
Fracture behaviour of structural steel in temperature transition region
Abstract:
The content of the master's thesis describes the fracture behavior of structural steels in dependence of temperature in the transition region. The distinctive scatter, which is shown in the transition temperature range is the consequence of the impact of stress or strain condition on the microstructure of steel, respectively on the content of fragile sites (inclusions, secretions or defects in materials). The parameter m, which defines the relation between CTOD and Jel depending on the stress-deformed condition at the crack point, is changing depending on the portion of the plain strain state (RDS) and plain stress state (RNS) through the transitional temperature field. The dependence between the parameter m and fracture behavior of structural steels through the temperature transition region will be determined in the content of the task.
Keywords:
ferritic steel
,
temperature transition region
,
fracture toughness
,
fracture mechanics
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