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Naslov:The effect of small flaws on the fatigue strength of HAZ at the weld toe
Avtorji:Gliha, Vladimir (Avtor)
Datoteke:URL http://dx.doi.org/10.1504/IJMPT.2007.013127
 
Jezik:Angleški jezik
Vrsta gradiva:Neznano ()
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:FS - Fakulteta za strojništvo
Opis:The effects of small artificial surface flaws on the fatigue strength of HAZ material are studied. The samples of coarse grain HAZ material were prepared using a welding thermal-cycle simulator. The artificial flaws were produced byindenting with a Vickers pyramid at different loads as either single indentations or as a series. The size of the flaws did not exceed the primary austenitic grain size of the material, which is the most relevant microstructural unit of carbon steels. The dependence of the experimentally determined bending fatigue strength of treated coarse grain HAZ materials on the properly evaluated size of the artificial flaws was compared with the law of long-crack propagation. The biggest flaws evaluated with the flaw-size parameter ?area ? 100 m are still small for the studied coarse grain HAZ. In further experimental work, the effects of flaw size and the effects of residual stresses should be analysed separately.
Ključne besede:welding, welded joints, coarse grained HAZ, crack initiation, flaw-size parameter, small surface flaws, stress intensity range, Vickers indentation, weld toe
Leto izida:2007
UDK:621.791.05:539.4
COBISS_ID:11337494 Povezava se odpre v novem oknu
ISSN pri članku:0268-1900
NUK URN:URN:SI:UM:DK:EA9CVHEP
Število ogledov:1276
Število prenosov:82
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Gradivo je del revije

Naslov:International journal of materials & product technology
Skrajšan naslov:Int. j. mater. prod. technol.
Založnik:Inderscience Enterprises
ISSN:0268-1900
COBISS.SI-ID:512563481 Novo okno

Sekundarni jezik

Jezik:Angleški jezik
Ključne besede:varjenje, zvarni spoji, grobo zrnato TVP, nastanek razpoke, parametri velikosti razpoke, majhne površinske rapoke, intenzivnost napetosti, Vickers odtis, prehod temena zvara


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