Isplativa proizvodnja legure CuCrZr primenom metalurgije praha

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Marko Simić http://orcid.org/0000-0003-4474-0257 Jelena Stašić http://orcid.org/0000-0002-3900-3298 Dušan Božić http://orcid.org/0000-0002-0556-4708 Andrijana Žekić http://orcid.org/0000-0001-7720-5846 Milica Milojević http://orcid.org/0000-0001-8535-4788 Jovana Ružić http://orcid.org/0000-0002-8076-0012

Apstrakt

Legura CuCrZr predstavlja aktuelan materijal sa potencijalnom primenom kao konstrukcioni materijal u budućim fuzionim reaktorima. Cilj ovog istraživanja je da se proizvede poboljšana CuCrZr legura primenom metalurgije praha (PM). Korišćene su PM tehnike mehaničko legiranje, hladno presovanje i sinterovanje. Komercijalno proizvedeni predlegirani CuCrZr prahovi su mehanički legirani 5 sati u inertnoj atmosferi argona korišćenjem visokoenergetskog mlina (Turbula mikser) sa kuglama različitih veličina. Mehaničkim legiranjem (ML) postignuto je povećanje gustine dislokacija matrice bakra, što dovodi do povećanja tvrdoće nakon densifikacije. Strukturni parametri (veličina kristalita, naprezanje i parametri rešetke) ML prahova i kompakta su ispitivani pomoću rendgenske difrakcije. Dobijeni rezultati pokazuju smanjenje veličine kristalita i parametra rešetke Cu matrice nakon ML. Dalje, XRD analiza je potvrdila prisustvo CuZr ojačavajućih čestica nakon sinterovanja. Mikrostrukturna analiza i distribucija ojačavajućih čestica Cu matrice izvršena je primenom SEM i XRD. Merenja tvrdoće su pokazala da in situ formiranje CuZr unutar Cu matrice povećava vrednosti tvrdoće za 45% u poređenju sa vrednostima tvrdoće čistog bakra.

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Kako citirati
SIMIĆ, Marko et al. Isplativa proizvodnja legure CuCrZr primenom metalurgije praha. Zbornik Međunarodnog kongresa o procesnoj industriji – Procesing, [S.l.], v. 37, n. 1, p. 309-314, june 2024. Dostupno na: <https://izdanja.smeits.rs/index.php/ptk/article/view/8087>. Datum pristupa: 17 july 2024 doi: https://doi.org/10.24094/ptk.024.309.
Sekcija
Procesne tehnologije

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