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Pregled bibliografske jedinice broj: 192988

Object grating method application in strain determination on ctod tests


Gubeljak, Nenad; Semenski, Damir; Drvar, Nenad; Predan, Jožef; Kozak, Dražan; Oblak, Maks
Object grating method application in strain determination on ctod tests // Strain, 42 (2006), 2; 81-87 (međunarodna recenzija, članak, znanstveni)


Naslov
Object grating method application in strain determination on ctod tests

Autori
Gubeljak, Nenad ; Semenski, Damir ; Drvar, Nenad ; Predan, Jožef ; Kozak, Dražan ; Oblak, Maks

Izvornik
Strain (0039-2103) 42 (2006), 2; 81-87

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Crack initiation; CTOD; Heterogeneous weld joint; Object grating method; Photogrammetry

Sažetak
Standard fracture toughness tests require standard specimens with the presumption that mechanical properties are uniform in the crack growth direction. Standards for CTOD fracture tests prescribe remote crack mouth opening displacement-CMOD, which can lead to in-adequate results in the case of heterogeneous materials properties. This paper describes the application of an object grating method on the fracture behaviour of a heterogeneous specimen. Fracture behaviour is described by measuring deformation on the surface of a specimen, in terms of crack tip opening displacement and, consequently, by strain determination. An object grating method is advantageously used when measuring modified CTOD tests on two specimens with an initial crack in a macroscopic heterogeneous welded joint. Results significantly show that fracture behaviour depends on the material in the vicinity of the crack tip concerning the direction of crack propagation.

Izvorni jezik
Engleski

Znanstvena područja
Strojarstvo



POVEZANOST RADA


Projekt / tema
0120004
0120061
0152018

Ustanove
Fakultet strojarstva i brodogradnje, Zagreb,
Strojarski fakultet, Slavonski Brod

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus


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  • Referativnyi Zhurnal
  • ISI/Compendex/Web of Science