Ljubica Milović (Avtor), Tomaž Vuherer (Avtor), Zoran Radaković (Avtor), Blagoj Petrovski (Avtor), Miodrag D. Janković (Avtor), Milorad Zrilić (Avtor), Darko Daničić (Avtor)

Povzetek

The structural integrity and operational safety of welded pressure vessels primarily depends on the behaviour of weldments. In spite of all efforts in material production and improvements in welding techniques, including strict codes, requirements and directives, the crack occurrence in welded structures cannot be completely excluded. This is why fracture mechanics analysis is inevitable in the structural integrity assessment of all welded structures. Examples of practical application of fracture mechanics parameters in cracked pressure vessel structural integrity are considered. This paper shows the determination of parameters of the fatigue crack for constituents of welded joints produced of high strength low alloyed steel Nionikral-70 (yield strength 700 MPa). Results have shown that the position of notch and crack initiation affect the values of the stress intensity range of fatigue threshold ?Kth and parameters in the Paris' equation.

Ključne besede

HSLA jekla;rast razpoke;HSLA steel;crack growth rate;fatigue threshold;Paris' law;

Podatki

Jezik: Angleški jezik
Leto izida:
Tipologija: 1.08 - Objavljeni znanstveni prispevek na konferenci
Organizacija: UM FS - Fakulteta za strojništvo
UDK: 620.172.24: 669.15
COBISS: 16027414 Povezava se bo odprla v novem oknu
ISSN: 1451-3749
Št. ogledov: 1265
Št. prenosov: 26
Ocena: 0 (0 glasov)
Metapodatki: JSON JSON-RDF JSON-LD TURTLE N-TRIPLES XML RDFA MICRODATA DC-XML DC-RDF RDF

Ostali podatki

Sekundarni jezik: Srbski jezik (cirilica)
Sekundarni naslov: Određivanje parametara zamornog rasta prsline kod zavarenih spojeva od HSLA čelika
URN: URN:SI:UM:
Vrsta dela (COBISS): Delo ni kategorizirano
Strani: str. 183-187
Letnik: ǂVol. ǂ11
Zvezek: ǂno. ǂ3
Čas izdaje: 2011
ID: 1439061