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Title:
Vpliv trdnostne neenakosti na lomno žilavost zvarnega spoja na jeklu S500
Authors:
ID
Karničnik, Denis
(Author)
ID
Vuherer, Tomaž
(Mentor)
More about this mentor...
ID
Gubeljak, Nenad
(Comentor)
Files:
MAG_Karnicnik_Denis_2016.pdf
(7,28 MB)
MD5: 8DE6B4DB91BE93FD365855256E0FCB49
Language:
Slovenian
Work type:
Master's thesis/paper
Typology:
2.09 - Master's Thesis
Organization:
FS - Faculty of Mechanical Engineering
Abstract:
V magistrskem delu smo uporabili različne metode za določevanje lomno mehanskih lastnosti zvarov. Preizkušali smo dva zvara z različno trdnostno neenakostjo. Prvi zvar je imel trdnostno mehkejši koren drugi pa je bil varjen eno polovico z trdnostno šibkejšim materialom, drugo polovico pa s trdnostno močnejšim dodajnim materialom. Ugotovitve so pokazale, da način varjenja močno vpliva na lomno mehanske lastnosti. Boljše rezultate smo dobili v zvaru, ki je bil varjen s trdnostno šibkejšim dodajnim materialom v korenu. Najboljše rezultate izkazuje osnovni material, najslabše pa toplotno vplivano področje.
Keywords:
zvar
,
mehanika loma
,
lomna žilavost
,
trdnostna neenakost
,
Charpy
Place of publishing:
Maribor
Publisher:
[D. Karničnik]
Year of publishing:
2016
PID:
20.500.12556/DKUM-63709
UDC:
539.42:621.791.053(043.2)
COBISS.SI-ID:
20147478
NUK URN:
URN:SI:UM:DK:RANBJQ7C
Publication date in DKUM:
05.10.2016
Views:
1744
Downloads:
130
Metadata:
Categories:
KTFMB - FS
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Vancouver
:
KARNIČNIK, Denis, 2016,
Vpliv trdnostne neenakosti na lomno žilavost zvarnega spoja na jeklu S500
[online]. Master’s thesis. Maribor : D. Karničnik. [Accessed 31 March 2025]. Retrieved from: https://dk.um.si/IzpisGradiva.php?lang=eng&id=63709
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Secondary language
Language:
English
Title:
Influence of strength mismatching on fracture toughness of weld joint on steel S500
Abstract:
Different methods for evaluation of fracture mechanics properties on weld joints were used in master thesis. Two weld joints with different Mis-matching were tested. The first weld joint had under-match with softer root weld material. The second one was welded one half with less strength filler material and other one with more strength filler material. Observations have shown that the way of welding has strong influence on the fracture properties. Better results were obtained in the weld, which was welded with a less strength filler material in the root of weld. The best results was obtained in the base material and the worst were in heat-affected zone.
Keywords:
weld
,
fracture mechanics
,
fracture toughness
,
mis-matching
,
Charpy
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