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Title:Vpliv postopkov termičnega rezanja na lastnosti rezne površine in dobo trajanja nosilnega elementa : magistrsko delo
Authors:ID Hostnik, Kristjan (Author)
ID Predan, Jožef (Mentor) More about this mentor... New window
ID Gubeljak, Nenad (Comentor)
Files:.pdf MAG_Hostnik_Kristjan_2021.pdf (6,41 MB)
MD5: 8A609F4B519297CEB12862B49042A3F4
PID: 20.500.12556/dkum/a7ec4972-ee45-455d-bcbb-3f6fb7d8c572
 
Language:Slovenian
Work type:Master's thesis/paper
Typology:2.09 - Master's Thesis
Organization:FS - Faculty of Mechanical Engineering
Abstract:Z raziskavami v obsegu tega magistrskega dela sem želel prikazati vpliv različnih postop-kov termičnega rezanja jekla na trdoto rezne površine in na njeno hrapavost kot ključni parameter na vpliv iniciacije mikrorazpok in posledično življenjsko dobo elementa. Naloga obsega tako eksperimentalni del, kot računalniško numerično simulacijo po metodi konč-nih elementov. V eksperimentalnem delu se bom osredotočil na samo pripravo preizku-šancev za namene merjenja hrapavosti površine in trdot po višini reznega roba. Rezultati meritev hrapavosti bodo služili za pripravo numeričnega modela pojava koncentracij maksimalnih nateznih napetosti na rezni površini preizkušancev in simulacijo iniciacije razpoke kot posledice poškodbe na površini.
Keywords:termično rezanje, konstrukcijski element, doba trajanja, numerična analiza, hrapavost, trdota
Place of publishing:Maribor
Place of performance:Maribor
Publisher:[K. Hostnik]
Year of publishing:2021
Number of pages:VIII, 98 str.
PID:20.500.12556/DKUM-80048 New window
UDC:621.791.94(043.2)
COBISS.SI-ID:99460355 New window
Publication date in DKUM:01.10.2021
Views:1029
Downloads:71
Metadata:XML DC-XML DC-RDF
Categories:KTFMB - FS
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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:27.08.2021

Secondary language

Language:English
Title:Influence of thermal cutting processes on the properties of the cutting surface and the service life of the construction element
Abstract:Through the research within the scope of this master's thesis, I wanted to show the influ-ence of different thermal cutting processes of steel on the hardness of the cutting surface and its roughness as a key parameter on the influence of micro cracking initiation and consequent element life. Thesis includes both the experimental part and computer numerical simulation by the finite element method. In the experimental part, I will focus on the preparation of the test specimens for the purpose of measuring the surface roughness and hardness along the height of the cutting edge. The results of roughness measurements will be used to prepare a numerical model of the occurrence of maximum tensile stress concentrations on the cutting surface of the specimens and to simulate the initiation of a crack as a consequence of surface damage.
Keywords:thermal cutting, structural element, service life, numerical analysis, roughness, hardness


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