Vpliv izločevalnega utrjevanja aluminijeve zlitine 7075 na mikrostrukturne in korozijske lastnosti : diplomsko delo Visokošolskega strokovnega študijskega programa I. stopnje Strojništvo
Šter, Jan, strojnik
Aluminijeve zlitine so zaradi nizke specifične gostote ključnega pomena v letalski in avtomobilski industriji. Za te izdelke je pomembna visoka trdota, ki jo lahko izboljšamo z izločevalnim ...utrjevanjem. Le-to je sestavljeno iz treh faz, in sicer topilno žarjenje, gašenje in umetno ali naravno staranje. V našem diplomskem delu je bila obravnavana aluminijeva zlitina 7075, katere glavni legirni element je cink (5,6–6,1%). Kemična sestava vključuje magnezij (2,1–2,5 %), baker (1,2–1,6 %) in skupaj manj kot 0,5 % silicija, železa, mangana, titana, kroma ter ostalih kovin. Preučili smo vpliv različnih medijev gašenja (voda in olje), različnih temperatur umetnega staranja (160, 140 in 120 °C) in različnih časov umetnega staranja na trdoto, prevodnost, mikrostrukturo ter korozijsko odpornost vzorcev.
Type of material - undergraduate thesis
; adult, serious
Publication and manufacture - Ljubljana : [J. Šter], 2022
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