Faculty of Mechanical Engineering, Lj. (FSLJ)
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Vpliv predgrevanja magnezijeve zlitine AZ80 na učinke laserskega pretaljevanja : zaključna naloga Razvojno raziskovalnega programa I. stopnje StrojništvoKranjc Požar, PeterV teoretičnem delu naloge smo opisali osnovne značilnosti magnezija ter magnezijevih zlitin in njihovo uporabo in potencial v svetu. Opisali smo tudi osnovni princip delovanja laserjev, njihove ... lastnosti ter značilnosti Nd-YAG laserja. V praktičnem delu smo ugotavljali optimalne parametre nastavitve pulznega Nd-YAG laserja za dobro pretaljenost magnezijeve zlitine AZ80. Izbrani parametri so bili P = 28 W, v = 0,03 mm/s, f = 1 Hz, t = 10 ms, D [sub] b = 1,87 mm in brez dovoda zaščitnega plina. Nato smo pri teh parametrih opazovali vpliv predgretja pri treh različnih temperaturah: 20°C, 160 °C in 205 °C na dobljeno mikrostrukturo ter mikrotrdoto. Najbolje pretaljen in tudi najtrši površinski sloj smo dobili pri temperaturi 160 °C. Preverili smo tudi vpliv časa delovanja laserskega žarka, vendar rezultati niso pokazali vpliva tega faktorja.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [P. Kranjc Požar], 2020Language - slovenianCOBISS.SI-ID - 17057563
Author
Kranjc Požar, Peter
Other authors
Šturm, Roman, 1965-
Topics
diplomske naloge |
laserji |
Nd-YAG laserji |
pretaljevanje površin |
mikrotrdote |
mikrostrukture |
predgretja |
thesis |
lasers |
Nd-YAG lasers |
surface remelting |
microhardnesses |
microstructures |
preheatings
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UN 0000001272 IN: 80001272 UN 1272 IN: 80001272 |
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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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Kranjc Požar, Peter | ![]() |
Šturm, Roman, 1965- | 13026 |
Source: Personal bibliographies
and: SICRIS
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