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Naslov:Comparative study of the microstructure and properties of cast-fabricated and 3D-printed laser-sintered Co–Cr alloys for removable partial denture frameworks
Avtorji:ID Stamenković, Dejan (Avtor)
ID Popović, Miljana (Avtor)
ID Rudolf, Rebeka (Avtor)
ID Zrilić, Milorad (Avtor)
ID Raić, Karlo (Avtor)
ID Obradović-Đuričić, Kosovka (Avtor)
ID Stamenković, Dragoslav (Avtor)
Datoteke:.pdf materials-16-03267.pdf (16,55 MB)
MD5: AA1D3D4D636BF237CDB9011C9B2A8469
 
URL https://www.mdpi.com/1996-1944/16/8/3267
 
Jezik:Angleški jezik
Vrsta gradiva:Članek v reviji
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:FS - Fakulteta za strojništvo
Opis:Since additive technologies in dentistry are gradually replacing metal casting technology, it is necessary to evaluate new dental constructions intended for the development of removable partial denture frameworks. The aim of this research was to evaluate the microstructure and mechanical properties of 3D-printed, laser-melted and -sintered Co–Cr alloys, and perform a comparative study with Co–Cr castings for the same dental purposes. The experiments were divided into two groups. The first group consisted of samples produced by conventional casting of the Co–Cr alloy. The second group consisted of 3D-printed, laser-melted and -sintered specimens produced from a Co–Cr alloy powder divided into three subgroups, depending on the technological parameters chosen for manufacturing (angle, location and heat treatment). Examination of the microstructure was carried out by classical metallographic sample preparation, using optical microscopy and scanning electron microscopy with energy dispersive X-ray spectroscopy (EDX) analysis. A structural phase analysis was also performed by XRD. The mechanical properties were determined using a standard tensile test. The microstructure observation showed a dendritic character in the case of castings, while in the case of 3D-printed, laser-melted and -sintered Co–Cr alloys, the microstructure was typical for additive technologies. The XRD phase analysis confirmed the presence of Co–Cr phases (ε and γ). The results of the tensile test showed remarkably higher yield and tensile strength values and slightly lower elongation of the 3D-printed, laser-melted and -sintered samples than those produced by conventional casting.
Ključne besede:Co–Cr dental alloys, 3D printing, laser melting and sintering, casting, microstructure, mechanical properties, characterization
Status publikacije:Objavljeno
Verzija publikacije:Objavljena publikacija
Poslano v recenzijo:29.03.2023
Datum sprejetja članka:19.04.2023
Datum objave:21.04.2023
Založnik:MDPI
Leto izida:2023
Št. strani:13 str.
Številčenje:Vol. 16, iss. 8, [article no.] 3267
PID:20.500.12556/DKUM-84163 Novo okno
UDK:621.74:004.8
COBISS.SI-ID:150017283 Novo okno
DOI:10.3390/ma16083267 Novo okno
ISSN pri članku:1996-1944
Datum objave v DKUM:21.04.2023
Število ogledov:459
Število prenosov:45
Metapodatki:XML DC-XML DC-RDF
Področja:Ostalo
:
STAMENKOVIĆ, Dejan, POPOVIĆ, Miljana, RUDOLF, Rebeka, ZRILIĆ, Milorad, RAIĆ, Karlo, OBRADOVIĆ-ĐURIČIĆ, Kosovka in STAMENKOVIĆ, Dragoslav, 2023, Comparative study of the microstructure and properties of cast-fabricated and 3D-printed laser-sintered Co–Cr alloys for removable partial denture frameworks. Materials [na spletu]. 2023. Vol. 16, no. 8,  3267. [Dostopano 1 april 2025]. DOI 10.3390/ma16083267. Pridobljeno s: https://dk.um.si/IzpisGradiva.php?lang=slv&id=84163
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Gradivo je del revije

Naslov:Materials
Skrajšan naslov:Materials
Založnik:MDPI
ISSN:1996-1944
COBISS.SI-ID:33588485 Novo okno

Gradivo je financirano iz projekta

Financer:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Številka projekta:P2-0120 (B) - Technologies of metastable materials
Naslov:Tehnologije metastabilnih materialov

Licence

Licenca:CC BY 4.0, Creative Commons Priznanje avtorstva 4.0 Mednarodna
Povezava:http://creativecommons.org/licenses/by/4.0/deed.sl
Opis:To je standardna licenca Creative Commons, ki daje uporabnikom največ možnosti za nadaljnjo uporabo dela, pri čemer morajo navesti avtorja.

Sekundarni jezik

Jezik:Slovenski jezik
Ključne besede:Co–Cr dentalne zlitine, 3D tiskanje, litje, mikrostruktura, lasersko pretaljevanje, lasersko sintranje, mehanske lastnosti, karakterizacija


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