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Pregled bibliografske jedinice broj: 783162

Zbornik radova

Autori: Damjanović, Darko; Kozak, Dražan; Gubeljak, Nenad; Samardžić, Ivan
Naslov: Estimation of residual stress in the hot-rolled pipes
Izvornik: Proceedings of abstracts: 8th International scientific-professional conference SBZ 2015 / Ivan Samardžić, Božo Despotović (ur.). - Slavonski Brod : Mechanical Engineering Faculty in Slavonski Brod , 2015. 42-48 (ISBN: 978-953-6048-73-1).
Skup: 8th International scientific-professional conference SBZ 2015 "Design, production and service of welded constructions and products, SBZ 2015"
Mjesto i datum: Slavonski Brod, Hrvatska, 21-23.10.2015.
Ključne riječi: residual stress ; pipe ; hoop stress ; incremental hole drilling method ; splitting method
Sažetak:
The aim of this work is to estimate the residual stresses in the pipes manufactured by the hot rolling technique. Pipes manufactured by this method are mostly used in boilers and in most cases are delivered normalized, but not stress relieved too. Therefore, there are surely residual stresses present in pipes which are result of manufacturing technique, but also of uneven cooling after production process. Within this work, hoop stress as the most relevant for pipes is estimated by two methods: incremental hole drilling method and splitting method. Although residual stresses cause collapse of many constructions, still in most cases of analysis and design of individual parts, structures and plants residual stresses are not taken into consideration. Residual stresses are stresses which are present in material after all the external loads are removed and as such, they have significant effect on the fatigue behavior of materials as well as on the fracture toughness of material, therefore it is recommended to take them into account while calculating the lifetime of component or structure.
Vrsta sudjelovanja: Poster
Vrsta prezentacije u zborniku: Cjeloviti rad (više od 1500 riječi)
Vrsta recenzije: Međunarodna recenzija
Izvorni jezik: ENG
Kategorija: Znanstveni
Upisao u CROSBI: Darko Damjanović (ddamjan@sfsb.hr), 26. Lis. 2015. u 12:06 sati



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