Mirza Imširović (Avtor), Uroš Trdan (Avtor), Damjan Klobčar (Avtor), Drago Bračun (Avtor), Aleš Nagode (Avtor)

Povzetek

This study explores an innovative method to enhance Directed Energy Deposition (DED) of aluminum 5356 products by integrating an electromagnetic vibration system into the DED setup. The application of vibrations significantly improved surface quality, reducing surface waviness and increasing building efficiency by 14%, from 78.5% to 92.25%.Gas porosity was reduced from 1.5 ± 0.04% in as-built (AB) components to 0.34 ± 0.07% in vibration-assisted (VA) parts. Tensile tests showed a marked reduction in anisotropy, with the tensile strength deviation between the x and z directions decreasing to less than 0.4% for vibration-assisted samples, compared to 7.9% for as-built ones. Additionally, secondary phase analysis revealed a homogenization effect, with magnesium- and iron-rich precipitates displaying a finer dispersion (3.57 ± 3.42 μm²) compared to 11.28 ± 12.49 μm² in as-built parts. Overall, the findings highlight the potential of vibration-assisted DED to improve part properties, reduce defects, and advance the DED manufacturing process.

Ključne besede

usmerjeno nanašanje z energijo;vibracije;zaostale napetosti;plinska poroznost;udrobnjevanje kristalnih zrn;aluminijeve zlitine;directed energy deposition (DED);vibrations;residual stress;gas porosity;grain refinement;aluminium alloys;

Podatki

Jezik: Angleški jezik
Leto izida:
Tipologija: 1.08 - Objavljeni znanstveni prispevek na konferenci
Organizacija: UL NTF - Naravoslovnotehniška fakulteta
UDK: 620.1:621.3
COBISS: 222618627 Povezava se bo odprla v novem oknu
ISSN: 2620-147X
Št. ogledov: 187
Št. prenosov: 32
Ocena: 0 (0 glasov)
Metapodatki: JSON JSON-RDF JSON-LD TURTLE N-TRIPLES XML RDFA MICRODATA DC-XML DC-RDF RDF

Ostali podatki

Sekundarni jezik: Slovenski jezik
Sekundarne ključne besede: usmerjeno nanašanje z energijo;vibracije;zaostale napetosti;plinska poroznost;udrobnjevanje kristalnih zrn;aluminijeve zlitine;
Vrsta dela (COBISS): Članek v reviji
Komentar vira: PDF format
Sistemski komentar: PDF format
Strani: str. 43-47
Letnik: ǂVol. ǂ49
Zvezek: ǂno. ǂ2
Čas izdaje: 2024
DOI: 10.24867/ATM-2024-2-005
ID: 25707089