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Tension and shear behaviour of basalt fiber bio-composites with digital image correlation and acoustic emission monitoring
ID Kek, Tomaž (Avtor), ID Šturm, Roman (Avtor), ID Bergant, Zoran (Avtor)

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Izvleček
This research investigates the mechanical behavior and damage evolution in cross-ply basalt fiber composites subjected to different loading modes. A modified Arcan rig for simultaneous acoustic emission (AE) monitoring was designed and manufactured to apply quasi-isotropic shear, combined tensile and shear loading, and pure tensile loading on specimens with a central notch. Digital image correlation (DIC) was applied for high-resolution strain measurements. The measured failure strengths of the bio-composite specimens under different loading angles are presented. The different competing failure mechanisms that contribute to the local reduction in stress concentration are described. Different damage mechanisms trigger elastic waves in the composite, with distinct AE signatures that closely follow the sequence of fracture mechanisms. AE monitoring is employed to capture signals associated with structural damage initiation and progression. The characteristic parameters of AE signals are correlated with crack modes and damage mechanisms. The evolution of AE parameters during the peak load transition is presented, which enables the timely AE detection of the maximum load transition. The combination of DIC and AE monitoring improves understanding of the mechanical response and failure mechanisms in cross-ply basalt fiber composites, offering valuable insights for possible performance monitoring and structural reliability in diverse engineering applications.

Jezik:Angleški jezik
Ključne besede:acoustic emission, basalt fiber composites, digital image correlations, damage mechanisms
Vrsta gradiva:Članek v reviji
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:FS - Fakulteta za strojništvo
Status publikacije:Objavljeno
Različica publikacije:Objavljena publikacija
Leto izida:2024
Št. strani:14 str.
Številčenje:Vol. 16, iss. 10, art. 1331
PID:20.500.12556/RUL-156394 Povezava se odpre v novem oknu
UDK:620.1/2
ISSN pri članku:2073-4360
DOI:10.3390/polym16101331 Povezava se odpre v novem oknu
COBISS.SI-ID:196372483 Povezava se odpre v novem oknu
Datum objave v RUL:23.05.2024
Število ogledov:95
Število prenosov:16
Metapodatki:XML RDF-CHPDL DC-XML DC-RDF
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Gradivo je del revije

Naslov:Polymers
Skrajšan naslov:Polymers
Založnik:Molecular Diversity Preservation International
ISSN:2073-4360
COBISS.SI-ID:517951257 Povezava se odpre v novem oknu

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:akustična emisija, kompoziti bazaltnih vlaken, korelacija digitalnih slik, poškodbe mehanizmov

Projekti

Financer:ARIS - Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije
Številka projekta:P2-0270
Naslov:Proizvodni sistemi, laserske tehnologije in spajanje materialov

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