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Title:Primerjava mehanskih lastnosti in mikrostruktur vijakov izdelanih iz različnih materialov po poboljšanju : magistrsko delo
Authors:ID Lekše, Mitja (Author)
ID Praunseis, Zdravko (Mentor) More about this mentor... New window
ID Sredenšek, Klemen (Comentor)
Files:.pdf MAG_Lekse_Mitja_2023.pdf (15,66 MB)
MD5: 1358E4F68C51855500F0C3BAEEA4F565
 
Language:Slovenian
Work type:Master's thesis/paper
Typology:2.09 - Master's Thesis
Organization:FE - Faculty of Energy Technology
Abstract:V teoretičnem delu magistrske naloge so predstavljene osnovne lastnosti jekla, kemijske sestave, predstavljen je postopek poboljšanja izbranih jekel in postopki preizkušanja mehanskih lastnosti. Opisane so tudi lastnosti legirnih elementov in vpliv ogljika na kaljivost. Predstavljen je tudi Jominyjev preizkus, na podlagi katerega je vrednotena kaljivost. Spoznamo postopek popuščanja in njegov vpliv na mikrostrukturo in trdoto. Na podlagi rezultatov meritev trdote in nateznega preizkusa ter pregleda mikrostrukture je predstavljen izbor materialov, ki so ustrezni za izdelavo vijakov.
Keywords:mehanske lastnosti, poboljšanje, mikrostruktura, vijak
Place of publishing:Maribor
Place of performance:Krško
Publisher:[M. Lekše]
Year of publishing:2023
Number of pages:XV, 75 str.
PID:20.500.12556/DKUM-83617 New window
UDC:621.882.1:669.148(043.2)
COBISS.SI-ID:154230787 New window
Publication date in DKUM:01.06.2023
Views:628
Downloads:58
Metadata:XML DC-XML DC-RDF
Categories:FE
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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:13.01.2023

Secondary language

Language:English
Title:Comparison of mechanical properties and microstructures of screws made of different materials after quenching and tempering
Abstract:The theoretical part of the master's thesis presents the basic properties of steel, chemical composition of steel, the process of improving selected steels and procedures for testing mechanical properties. The properties of alloying elements and the influence of carbon on hardenability are described. The Jominy test is presented, based on which hardenability is evaluated. We get to know the tempering process and its influence on microstructure and hardness. Based on the results of hardness measurements, tensile test and microstructure inspection, a selection of materials suitable for the manufacture of screws is presented.
Keywords:mechanical properties, quenching and tempering, microstructure, screw


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