The pre-cracking of wide plate specimens

Gliha, Vladimir; Rojko, Danilo

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Naslov:	The pre-cracking of wide plate specimens
Avtorji:	ID Gliha, Vladimir (Avtor) ID Rojko, Danilo (Avtor)
Datoteke:	http://dx.doi.org/10.1016/S0308-0161(03)00075-9
Jezik:	Angleški jezik
Vrsta gradiva:	Neznano
Tipologija:	1.01 - Izvirni znanstveni članek
Organizacija:	FS - Fakulteta za strojništvo
Opis:	The behaviour of uniformly thick small- and large-scale fracture-toughness specimens was analysed during fatigue-crack progression. Because of the increasing crack length, the stiffness of the specimens decreases. If cyclic loading is applied in the load-control mode, the stress-intensity factor range, $Delta$ K, and crack growth per cycle, da/dN, increase, which is not appropriate for controlling the size of the crack. The increase in $Delta$ K for the wide plate (WP) specimens discussed is three times lower than for single edge notch bend (SENB) and compact tension (CT) specimens. The loading range decreases if cyclic loading is applied in the displacement-control mode. The values of $Delta$ K and da/dN for SENB and CT specimens then decrease, which is helpful for controlling the crack size; however, they increase for the WP specimens in spite of lowering the loading range. This increase is one third lower than for the load-control mode, which means that it is somewhat easier to control the size of crack.
Ključne besede:	fracture toughness, specimen, pre-cracking, fatigue crak, crack size, stress intensity factor
Leto izida:	2003
PID:	20.500.12556/DKUM-27680
UDK:	621.791.05:620.17:539.53
COBISS.SI-ID:	8128022
ISSN pri članku:	0308-0161
NUK URN:	URN:SI:UM:DK:16QAZKTK
Datum objave v DKUM:	01.06.2012
Število ogledov:	2185
Število prenosov:	103
Metapodatki:
Področja:	Ostalo
:	GLIHA, Vladimir in ROJKO, Danilo, 2003, The pre-cracking of wide plate specimens. International journal of pressure vessels and piping [na spletu]. 2003. [Dostopano 26 marec 2025]. Pridobljeno s: http://dx.doi.org/10.1016/S0308-0161(03)00075-9 Kopiraj citat

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Gradivo je del revije

Naslov:	International journal of pressure vessels and piping
Skrajšan naslov:	Int. j. press. vessels piping
Založnik:	Elsevier
ISSN:	0308-0161
COBISS.SI-ID:	8917765

Sekundarni jezik

Jezik:	Angleški jezik
Ključne besede:	lomna žilavost, preizkušanec, predrazpoke, utrujenostne razpoke, velikost razpoke, faktor intenzivnosti napetosti

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