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Nosilnostni kriteriji pri ležajih z utrjeno kotalno površino : magistrsko deloKunc, RobertNaloga z naslovom "Nosilnostni kriteriji za ležaje z utrjeno kotalno površino" je zasnovana na rešitvi realne malociklične nosilnosti kotalnega stika vrtljive zveze z upoštevanjem vseh parametrov ... kotalnega stika vrtljive zveze. Ker uveljavljena kriterija za določitev dopustne stične sile glede na dopustno trajno deformacijo in dopustno podpovršinsko napetost na meji kaljene plasti ne ustrezata primeru površinsko utrjene tečine, smo izdelali preizkušance ležajnih obročev in numerični model kotalnega stika. Z eksperimentom smo določili velikost trajne deformacije tečine v odvisnosti od stične sile. S primerjanjem rezultata trajne deformacije eksperimenta in numeričnega preračuna modela končnih elementov, pri katerem upoštevamo eksperimentalno določeno malociklično o-e krivuljo materiala, opazimo odstopanje obeh rezultatov. Posledica je v intenzivni začetni rasti trajne deformacije eksperimenta. Numerični preračun podpovršinskih napetosti podaja strogost napetostnega kriterija oziroma problematiko tehnologije površinskega utrjevanja tečine. Z ustrezno debelino in trdoto kaljene plasti so dopustne stične sile različnih kriterijev primerljive. Dobljeni rezultati potrjujejo pravilnost iskanja realne dopustne stične sile kotalnega stika v prihodnosti.Type of material - master's thesis ; adult, seriousPublication and manufacture - Ljubljana : [R. Kunc], 1999Language - slovenianCOBISS.SI-ID - 3112475
Author
Kunc, Robert
Other authors
Prebil, Ivan
Topics
Ležaji |
Nosilnost |
Magistrske naloge |
strojni elementi |
vrtljive zveze |
kotalni stik |
obremenitve |
deformacije |
numerične metode
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Library | Call number – location, accession no. ... | Copy status |
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National and University Library, Ljubljana | GS II 505903 glavno skladišče | available - reading room |
Faculty of Mechanical Engineering, Lj. | M KUNC R. Nosilnostni IN: 00043578 |
available - reading room |
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Kunc, Robert | 16173 |
Prebil, Ivan | 09806 |
Source: Personal bibliographies
and: SICRIS
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