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Title:Določitev napetostno-deformacijskega stanja med vtiskanjem krogle v metastabilni avstenit
Authors:ID Crnjac, Tadej (Author)
ID Gubeljak, Nenad (Mentor) More about this mentor... New window
ID Predan, Jožef (Comentor)
Files:.pdf MAG_Crnjac_Tadej_2018.pdf (5,38 MB)
MD5: 32C98E22B8F972DAC0038EAB5A138DAD
PID: 20.500.12556/dkum/b283f2f9-d24c-4bc8-8ef9-8a4f3da162d6
 
Language:Slovenian
Work type:Master's thesis/paper
Typology:2.09 - Master's Thesis
Organization:FS - Faculty of Mechanical Engineering
Abstract:Podnice tlačnih posod se izdelujejo s plastičnim preoblikovanjem materiala, zaradi česar pride do spremembe mikrostrukture materiala in površinske trdote. V magistrski nalogi je bila opravljena analiza vpliva sile vtiskanja kroglice na stopnjo deformacije oz. plastičnega preoblikovanja materiala. Najpomembnejši del so bile laboratorijsko izmerjene vrednosti Vickersove trdote v primerjavi z ročno izmerjenimi vrednostmi trdote po Brinellu. Namen naloge je bil oceniti, ali je možno z meritvijo trdote spremljati deformacijsko stanje metastabilnega avstenita in uporabiti dobljeno kalibracijsko krivuljo pri meritvah na posodah v obratovanju.
Keywords:metastabilni avstenit, napetostno-deformacijsko stanje, trdota, vtiskanje krogle, tlačna posoda
Place of publishing:Maribor
Publisher:[T. Crnjac]
Year of publishing:2018
PID:20.500.12556/DKUM-70154 New window
UDC:620.178.152:669.112.227.1(043.2)
COBISS.SI-ID:22152982 New window
NUK URN:URN:SI:UM:DK:F8FKRNX9
Publication date in DKUM:11.05.2018
Views:1585
Downloads:144
Metadata:XML DC-XML DC-RDF
Categories:KTFMB - FS
:
CRNJAC, Tadej, 2018, Določitev napetostno-deformacijskega stanja med vtiskanjem krogle v metastabilni avstenit [online]. Master’s thesis. Maribor : T. Crnjac. [Accessed 27 April 2025]. Retrieved from: https://dk.um.si/IzpisGradiva.php?lang=eng&id=70154
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Licences

License:CC BY-NC-ND 4.0, Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
Link:http://creativecommons.org/licenses/by-nc-nd/4.0/
Description:The most restrictive Creative Commons license. This only allows people to download and share the work for no commercial gain and for no other purposes.
Licensing start date:10.04.2018

Secondary language

Language:English
Title:Determining the stress-strain state during the spherical indentation in the metastable austenite
Abstract:Production of pressure vessel cups with the plastic deformation of the material changes the microstructure of the material and surface hardness. In the Master thesis the analysis of the influence of force during the spherical indentation and plastic deformation of the material was made, respectively. The most important parts are the laboratory measured values of Vickers’s hardness in comparison to the hand measured values according to Brinell. The aim of the work was to estimate the possibility of monitoring the deformation state of the metastable austenite with the measurement of hardness and to use the obtained calibration curve by the measurements on cups in operation.
Keywords:metastable austenite, stress-strain state, hardness, spherical indentation, pressure vessel


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