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2014, vol. 64, br. 4, str. 39-44
Uticaj heterogenosti strukture na parametre mehanike loma zavarenog spoja čelika A387
aUniverzitet u Beogradu, Mašinski fakultet
bVojnotehnički institut - VTI, Beograd
Ključne reči: legirani čelik A387 Gr. 11 class 1; zavareni spoj; žilavost loma; Parisov zakon; rast zamorne prsline
Sažetak
Radi potpunijeg razumevanja uzroka i načina pojave i rasta prslina u zavarenim spojevima čelika A-387 Gr.11 predviđenog za rad u uslovima povišene temperature i pritiska, potrebno je da se utvrdi kako heterogenost strukture i mehaničkih svojstava zavarenog spoja, utiče na žilavost loma i pojavu i rast zamorne prsline. Ispitivanjem CT i Šarpi epruveta sa iniciranom zamornom prslinom data je ocena kako heterogenost strukture i mehaničkih svojstava zavarenog spoja utiču na parametre žilavosti loma i brzinu rasta zamorne prsline.
Reference
*** (1995) ASTM E647, standard test method for constant-load-amplitude fatigue crack growth rates above 10-8 m/cycle. u: Annual Book of ASTM Standards, Vol.03. 01, pp. 714
*** (2004) ISO 15614-1, specification and qualification of welding procedures for metallic materials: Welding procedure test - part 1: Arc and gas welding of steels and arc welding of nickel and nickel alloys. Switzerland: ISO copyright office
*** (1991) BS 7448: Fracture mechanics toughness tests, part 1: Method for determination of KIc critical CTOD and critical J values of metallic materials. BSI
*** (2002) ASTM E1152-02: Standard test method for determining J-R curve. u: Annual Book of ASTM Standards, Vol. 04.01. pp. 724
Argoub, O.E., Sedmak, A., Essamei, A.M. (2004) Structural integrity assessment of welded plate with a crack. Integritet i vek konstrukcija, vol. 4, br. 1, str. 39-46
Burzić, M., Burzić, Z., Kurai, J. (2006) The prediction of residual life of reactors in RNP. Pančevo: CertLab
Burzić, M., Burzić, Z., Kurai, J., Gačo, Dž. (2007) Fatigue behavior of alloyed steel for high temperature. u: Congress on Theoretical and Applied Mechanics (1st Serbian, 26th YU), Kopaonik, str. 1085-1090
Burzić, M. (2007) Serbia: University of Novi Sad, Department of Technical Faculty, PhD Thesis
Burzić, Z., Sedmak, S., Manjgo, M. (2001) The application of fracture mechanics in welded joint properties assessment. u: RIM 2001, Bihać, pp. 451-460
Paris, P.C., Erdogan, F. (1987) A Critical Analysis of Crack Propagation Laws. Trans. ASME, Journal Basic Eng, Vol. 85, No. 4, pp. 528
Sedmak, A. (2003) Primena mehanike loma na integritet konstrukcije, Monografija. Beograd: Mašinski fakultet
Sedmak, S.A., Sedmak, A. (2005) Integrity of penstock of hydroelectric powerplant. Integritet i vek konstrukcija, vol. 5, br. 2, str. 59-70
 

O članku

jezik rada: engleski
vrsta rada: neklasifikovan
objavljen u SCIndeksu: 02.01.2016.
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