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Statements

Subject Item
n2:RIV%2F26316919%3A_____%2F12%3A%230000349%21RIV13-MPO-26316919
rdf:type
skos:Concept n20:Vysledek
rdfs:seeAlso
http://www.comat.cz/files/proceedings/11/reports/1244.pdf
dcterms:description
In this paper J-R curves were measured with Charpy size SE(B) and C(T) specimens of P91 steel using the unloading compliance technique. The fracture toughness parameters were determined according to the test standards ASTM E1820 and ISO 12135 and whose evaluation differences and validity criteria were assessed. Despite the available sophisticated instrumentation used for obtaining the J-R curves and strict implementation of the recommended test procedure, a scatter in the initial portion of the curve is persistent. This creates problems in the evaluation of the measured J-∆a values and in obtaining valid and unambiguous JIC and J0.2BL values according to both standards. The influence of these scatter on the fracture toughness values is discussed. Accompanying fractographic studies were performed to assess the J-R curves and to determine the SZW. In this paper J-R curves were measured with Charpy size SE(B) and C(T) specimens of P91 steel using the unloading compliance technique. The fracture toughness parameters were determined according to the test standards ASTM E1820 and ISO 12135 and whose evaluation differences and validity criteria were assessed. Despite the available sophisticated instrumentation used for obtaining the J-R curves and strict implementation of the recommended test procedure, a scatter in the initial portion of the curve is persistent. This creates problems in the evaluation of the measured J-∆a values and in obtaining valid and unambiguous JIC and J0.2BL values according to both standards. The influence of these scatter on the fracture toughness values is discussed. Accompanying fractographic studies were performed to assess the J-R curves and to determine the SZW.
dcterms:title
Fracture Toughness Characterisation of the Martensitic Chromium Steel P91 Fracture Toughness Characterisation of the Martensitic Chromium Steel P91
skos:prefLabel
Fracture Toughness Characterisation of the Martensitic Chromium Steel P91 Fracture Toughness Characterisation of the Martensitic Chromium Steel P91
skos:notation
RIV/26316919:_____/12:#0000349!RIV13-MPO-26316919
n20:predkladatel
n21:ico%3A26316919
n3:aktivita
n4:P
n3:aktivity
P(FR-TI2/279)
n3:dodaniDat
n5:2013
n3:domaciTvurceVysledku
n17:2940671
n3:druhVysledku
n22:D
n3:duvernostUdaju
n15:S
n3:entitaPredkladatele
n19:predkladatel
n3:idSjednocenehoVysledku
137124
n3:idVysledku
RIV/26316919:_____/12:#0000349
n3:jazykVysledku
n18:eng
n3:klicovaSlova
fracture toughness, J-R curve, unloading compliance, ASTM E1820, ISO 12135
n3:klicoveSlovo
n11:J-R%20curve n11:unloading%20compliance n11:ISO%2012135 n11:fracture%20toughness n11:ASTM%20E1820
n3:kontrolniKodProRIV
[93996DF2676F]
n3:mistoKonaniAkce
Plzeň
n3:mistoVydani
Ostrava, CZ
n3:nazevZdroje
COMAT 2012
n3:obor
n9:JF
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
2
n3:projekt
n6:FR-TI2%2F279
n3:rokUplatneniVysledku
n5:2012
n3:tvurceVysledku
Konopík, Pavel
n3:typAkce
n12:WRD
n3:zahajeniAkce
2012-11-21+01:00
s:numberOfPages
10
n8:hasPublisher
TANGER spol. s r.o., CZ
n10:isbn
978-80-87294-34-5