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


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 // Summaries of lectures of the 11th international symposium of Croatian Metallurgical Society SHMD '2014 : Materials and Metallurgy, published in Metalurgija 53 (2014) 3 / Mamuzić, Ilija (ur.). -
Zagreb: Hrvatsko metalurško društvo, 2014. str. x-x (poster, nije recenziran, sažetak, znanstveni)


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

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

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni

Izvornik
Summaries of lectures of the 11th international symposium of Croatian Metallurgical Society SHMD '2014 : Materials and Metallurgy, published in Metalurgija 53 (2014) 3 / Mamuzić, Ilija (ur.). - / - Zagreb : Hrvatsko metalurško društvo, 2014, X-x

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

Mjesto i datum
Šibenik, Hrvatska, 22. - 26.6.2014

Vrsta sudjelovanja
Poster

Vrsta recenzije
Nije recenziran

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

Sažetak
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.

Izvorni jezik
Engleski

Znanstvena područja
Metalurgija



POVEZANOST RADA


Projekt / tema
120-1201787-1491 - Oblikovanje deformiranjem i svojstva novih metalnih materijala (Ilija Mamuzić, )

Autor s matičnim brojem:
Ilija Mamuzić, (27862)

Časopis indeksira:


  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus