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Weld Misalignment Influence on the Structural Integrity of Cylindrical Pressure Vessel (CROSBI ID 165131)

Prilog u časopisu | izvorni znanstveni rad

Kozak, Dražan ; Konjatić, Pejo ; Matejiček, Franjo ; Damjanović, Darko Weld Misalignment Influence on the Structural Integrity of Cylindrical Pressure Vessel // Structural integrity and life, 10 (2010), 2; 153-159

Podaci o odgovornosti

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

engleski

Weld Misalignment Influence on the Structural Integrity of Cylindrical Pressure Vessel

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 and calculated numerically by using the finite element method. Surface circumferential crack has been assumed perpendicular to the principal stress at the location of maximum stress. Failure assessment procedure has been performed for the most dangereous 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.

cylindrical shell; weld misalignment; stresses; API 579; finite element method; surface circumferential crack; failure assessment diagram (FAD)

The paper was presented at the Ninth Meeting "New Trends in Fatigue and Fracture" (NT2F9), Belgrade, Serbia, 12-14 October, 2009.

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Podaci o izdanju

10 (2)

2010.

153-159

objavljeno

1451-3749

1820-7863

Povezanost rada

Strojarstvo

Poveznice