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Title:
Vpliv zlitinskih elementov na trdnostne lastnosti valjev za valjanje pločevine
Authors:
ID
Mastnak, Janko
(
Author
)
ID
Zupanič, Franc
(
Mentor
)
More about this mentor...
ID
Glodež, Srečko
(
Comentor
)
Files:
VS_Mastnak_Janko_2016.pdf
(4,15 MB)
MD5: 8D68011FB0C4C2566C0477BABE94F820
Language:
Slovenian
Work type:
Undergraduate thesis
Typology:
2.11 - Undergraduate Thesis
Organization:
FS - Faculty of Mechanical Engineering
Abstract:
Diplomsko delo opisuje postopek za ugotavljanje trdnostnih lastnosti plašča valjev za vroče valjanje pločevine v odvisnosti od vsebnosti zlitinskih elementov. Za preiskave smo namenili tri litine indefinit (ICDP) z različnimi stopnjami karbidotvornih elementov. Preizkušance smo s spreminjanjem obremenitve izpostavili dinamičnim preizkusom do preloma. Dobljene vrednosti smo prikazali v logaritemski Wöhlerjevi krivulji in primerjali rezultate za tri izbrane litine. Na prelomih preizkušancev smo analizirali potek prelomov pod mikroskopom in z EDS-analizo. Število nihajev dinamičnih preizkusov smo primerjali s praktično uporabo v valjarni Acroni.
Keywords:
vroče valjanje
,
valji
,
napetostna metoda
,
prelomi
,
litina indefinit
Place of publishing:
Maribor
Publisher:
[J. Mastnak]
Year of publishing:
2016
PID:
20.500.12556/DKUM-61315
UDC:
621.771.6(043.2)
COBISS.SI-ID:
20205590
NUK URN:
URN:SI:UM:DK:TREMPROV
Publication date in DKUM:
13.09.2016
Views:
1531
Downloads:
89
Metadata:
Categories:
KTFMB - FS
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Secondary language
Language:
English
Title:
The influence of alloying elements on the strength properties of the rolls for the rolling of sheet
Abstract:
The diploma work describes the procedure for determining the strength of the shell of roll for the hot rolling of sheet, depending on the content of alloying elements. For the investigation we selected three ICDP materials with varying contents of carbide–forming alloying elements. The samples were exposed to varying loading on dynamic tests to breakage. The resulting values are shown in logarithmic Wöhler curve and compared the results for three selected materials. On the fracture surfaces of the samples, we analyzed the course of fractures under a microscope and EDS-analysis. The number of cycles of dynamic tests were compared with the practical application of the rolling mill in company Acroni.
Keywords:
hot rolling
,
rolls
,
stress method
,
fractures
,
indefinite cast iron
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