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Stress State of the Header-to-PGV-1000M Steam Generator Connector Weldment with a Cavity (CROSBI ID 604368)

Prilog sa skupa u časopisu | sažetak izlaganja sa skupa

Ban’ko, S.M. ; Kharchenko, V.V. ; Kobelsky, S.V. ; Kravchenko, V.I. ; Chirkov, A.Yu. ; Mamuzić, Ilija Stress State of the Header-to-PGV-1000M Steam Generator Connector Weldment with a Cavity // Metalurgija. 2014. str. x-x

Podaci o odgovornosti

Ban’ko, S.M. ; Kharchenko, V.V. ; Kobelsky, S.V. ; Kravchenko, V.I. ; Chirkov, A.Yu. ; Mamuzić, Ilija

engleski

Stress State of the Header-to-PGV-1000M Steam Generator Connector Weldment with a Cavity

The computational analysis of the elastoplastic stress state for the hot header-to-PGV-1000M steam generator connector weldment with a defect in the form of a semi-elliptical planar cavity is carried out. The influence of the geometrical parameters of cavity on the stress state of the connector weldment is studied. The effect of the loading history on the stress state of the connector weldment with a defect is assessed. It is shown that the axial stresses ahead of the cavity tip of 2.5 mm in depth attain their maximum values for hydraulic testing. After hydraulic testing and unloading, the stress values decrease by 36% under normal operating conditions. In simulating operational loading conditions neglecting of residual stress intensity factor of the connector weldment with a defect in the form of cavity leads to obtaining the overestimated (up to 25%) value of stress level.

Header-to-PGV-1000M Steam Generator Connector Weldment

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Podaci o prilogu

x-x.

2014.

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objavljeno

Podaci o matičnoj publikaciji

Metalurgija

Zagreb: Hrvatsko metalurško društvo

0543-5846

Podaci o skupu

The 11th International Symposium of Croatian Metallurgical Society SHMD '2014 : “Materials and Metallurgy”

poster

22.06.2014-26.06.2014

Šibenik, Hrvatska

Povezanost rada

Metalurgija

Indeksiranost