izpis_h1_title_alt

Experimental crack path analysis of aluminum alloy specimen under dynamic shear loading using digital image correlation method
ID Litrop, Aljaž (Avtor), ID Zobec, Peter (Avtor), ID Šeruga, Domen (Avtor), ID Nagode, Marko (Avtor), ID Klemenc, Jernej (Avtor)

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Izvleček
The present paper investigates crack growth in specially designed specimens of 6061 aluminum alloy sheets subjected to dynamic shear loads. The sheets were previously thoroughly tested using uni-axial static and dynamic tests, so the less-known shear fatigue tests are presented in this work. For this purpose, a special specimen and fixtures were designed, which are capable of fatigue shear testing at elevated temperatures. In addition, the shape of the specimen was designed for more predictable crack initiation and growth along the specimen surface. In this study, the specimens were tested with low frequency (0.2 Hz) alternating shear loading (amplitude 0.3 mm in the positive and negative directions) until complete fracture. Each time the peak amplitude was reached, a photograph of the shear area on the specimen surface was taken and used to investigate crack growth further. The main objective of this work was to observe the crack initialization and crack growth under alternating shear loading using Digital Image Correlation (DIC) method; this was achieved by analyzing the photographs taken with the DIC method by observing local in-plane fields of strains and displacements.

Jezik:Angleški jezik
Ključne besede:crack observation, shear fatigue, digital image correlation
Vrsta gradiva:Članek v reviji (dk_c)
Tipologija:1.08 - Objavljeni znanstveni prispevek na konferenci
Organizacija:FS - Fakulteta za strojništvo
Leto izida:2022
Status objave pri reviji:Objavljeno
Verzija članka:Založnikova različica članka
Št. strani:Str. 41-46
Številčenje:Vol. 39
UDK:620.191.33
ISSN pri članku:2452-3216
DOI:10.1016/j.prostr.2022.03.070 Povezava se odpre v novem oknu
COBISS.SI-ID:104056067 Povezava se odpre v novem oknu
Datum objave v RUL:11.04.2022
Število ogledov:113
Število prenosov:44
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Gradivo je del zbornika

Naslov:CP2021
COBISS.SI-ID:104053507 Povezava se odpre v novem oknu

Gradivo je del revije

Naslov:Procedia structural integrity
Založnik:Elsevier
ISSN:2452-3216
COBISS.SI-ID:19720726 Povezava se odpre v novem oknu

Sekundarni jezik

Jezik:Slovenski jezik
Ključne besede:opazovanje razpoke, strižno utrujanje materiala, metoda digitalne korelacije slik

Projekti

Financer:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije (ARRS)
Številka projekta:P2-0182
Naslov:Razvojna vrednotenja

Financer:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije (ARRS)
Program financ.:Young Researchers Programme
Številka projekta:ARRS-MR-LP-2020/544

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