Faculty of Mechanical Engineering, Lj. (FSLJ)
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Lasersko pretaljevanje aluminijeve zlitine 7075 : zaključna naloga Razvojno raziskovalnega programa I. stopnje StrojništvoTrifković, AnžeV zaključni nalogi smo s trdninskim, pulznim Nd:YAG laserjem lasersko pretaljevali toplotno obdelano aluminijevo zlitino 7075-T6 in obravnavali vpliv velikosti pege laserskega žarka in moči laserja ... na globino penetracije in spremembo trdote pretaljene površine v primerjavi z osnovnim materialom. Izmerili smo tudi nastale zaostale napetosti v vzorcu. Dokazali smo, da gostota energije laserskega žarka nima bistvenega vpliva na doseženo trdoto pretaljene površine. Mikrostruktura se je spremenila v finozrnato, trdota pa se je glede na dobavljeno kvaliteto Al 7075-T6 zmanjšala. Če bi uporabili zlitino Al 7075-T0, ki ni predhodno toplotno obdelana s staranjem, bi se trdota povečala. V posameznih sledeh laserskega žarka so zaostale napetosti opazno večje, kot pa v večji pretaljeni površini, ki smo jo dobili s prekrivanjem sledi.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [A. Trifković], 2019Language - slovenianCOBISS.SI-ID - 16952347
Author
Trifković, Anže
Other authors
Šturm, Roman, 1965-
Topics
diplomske naloge |
lasersko pretaljevanje |
aluminijeve zlitine |
zaostale napetosti |
trdota |
mikrostruktura |
laser melting |
aluminium alloys |
residual stress |
hardness |
microstructure
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UN 0000001251 IN: 80001251 UN 1251 IN: 80001251 |
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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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Trifković, Anže | |
Šturm, Roman, 1965- | 13026 |
Source: Personal bibliographies
and: SICRIS
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