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Weld misalignement influence on the structural integrity of cylindrical pressure vessel


Kozak, Dražan; Konjatić, Pejo; Matejiček, Franjo; Damjanović, Darko
Weld misalignement influence on the structural integrity of cylindrical pressure vessel // 9th International Conference New Trends in Fatigue and Fracture NT2F9: "Failure of materials and structures by fatigue and fracture"
Beograd, Srbija, 2009. (predavanje, pp prezentacija, znanstveni)


Naslov
Weld misalignement influence on the structural integrity of cylindrical pressure vessel

Autori
Kozak, Dražan ; Konjatić, Pejo ; Matejiček, Franjo ; Damjanović, Darko

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, pp prezentacija, znanstveni

Skup
9th International Conference New Trends in Fatigue and Fracture NT2F9: "Failure of materials and structures by fatigue and fracture"

Mjesto i datum
Beograd, Srbija, 12-14.10.2009.

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Neobjavljeni rad

Ključne riječi
Cylindrical shell; weld misalignment; stresses; API 579; finite element analysis; inclined crack; Failure Assessment Diagram (FAD)

Sažetak
The influence of stresses resulting from weld misalignment in cylindrical shell circumferential weld joint on the shell integrity has been considered. The stresses have been estimated analytically by API recommended practice 579 procedure and calculated numerically by using of finite element method. Surface circumferential crack could appear perpendicular to the principal stress at the location of maximum stress. Failure assessment procedure has been performed for the most dangerous situation (e = 8 mm) varying the crack depth to thickness ratio as a/t = 0.4 ; 0.45 and 0.5. Critical internal pressure values for these cases have been found by using of FAD diagrams.

Izvorni jezik
Engleski

Znanstvena područja
Strojarstvo



POVEZANOST RADA


Projekt / tema
152-1201910-1909 - Analiza i procjena loma konstrukcija iz anizotropnih materijala (Dražan Kozak, )

Ustanove
Strojarski fakultet, Slavonski Brod