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Pregled bibliografske jedinice broj: 203248

Zbornik radova

Autori: Semenski, Damir; Gubeljak, Nenad; Kozak, Dražan; Ćurković, Petar
Naslov: Full field deformation analysis applied to improved CTOD concept
Izvornik: Proceedings of 10th IMEKO TC10 International Conference on Technical Diagnostics / Monostori, Laszlo (ur.). - Budapest : Hungarian Academy of Science , 2005. 139-144.
Skup: 10th IMEKO TC10 International Conference on Technical Diagnostics
Mjesto i datum: Budimpešta, Mađarska, 09-10.06.2005.
Ključne riječi: grating method; crack propagation; CTOD
Sažetak:
Highly precise measuring of 3D displacements in the vicinity of the crack tip by using object grating method enables the visualization of deformation and characterization of the crack propagation process. Modified CTOD concept based on deformations analysis along the set of lines shifted in direction of the crack propagation is introduced. Through the visualization it provides comprehension of specimen's behavior in conditions of high stress concentration and large displacements. Object grating method is advantageously used to analyze two specimens with initial crack in a macroscopic heterogeneous welded joint. The crack propagates from the over-match (OM) material towards the under-match (UM) material or vice versa, when the crack propagates in the opposite direction. The results of the experiments show the potential of object grating method for acquiring deformation field around the crack tip because is enabled to observe the fracture behavior in heterogeneous material structure during the crack propagation.
Vrsta sudjelovanja: Predavanje
Vrsta prezentacije u zborniku: Cjeloviti rad (više od 1500 riječi)
Vrsta recenzije: Međunarodna recenzija
Projekt / tema: 0152018, 0120061, 0120015
Izvorni jezik: ENG
Kategorija: Znanstveni
Znanstvena područja:
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