About: Mechanisms of Fracture in Neutron-Irradiated 15Ch2MFA Steel     Goto   Sponge   NotDistinct   Permalink

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Description
  • Je studován vliv ozáření na lomové chování reaktorové oceli 15Ch2MFA. Je popsána distribuce inkluzí a karbidů. Byla provedena kvantitativní fraktografie Charpyho těles. Byla nalezena korelace energie absorbované do iniciace nestabilní trhliny a plochy tvárného lomu přilehlé k vrubu. Bylo zjištěno, že většina energie je absorbována ve stádiu předcházejícím iniciaci štěpného lomu. Byla prozkoumána distribuce tvárných důlků na lomovém povrchu Charpyho těles. Je diskutován vztah mezi distribucí tvárných důlků a částicemi sekundární fáze. (cs)
  • The influence of irradiation on fracture properties of 15Ch2MFA pressure vessel steel is studied. The distribution of inclusions and carbides is characterised. The quantitative fractography of broken Charpy specimens is carried out. The correlation of crack initiation energy and the area of ductile fracture adjacent to the notch is identified. It is shown that most of the absorbed energy belongs to the stage preceding the cleavage crack initiation. From the fracture surface of Charpy specimen, the distribution of ductile dimples is investigated. The relationship between the distribution of ductile dimples and the distribution of second phase particles is discussed.
  • The influence of irradiation on fracture properties of 15Ch2MFA pressure vessel steel is studied. The distribution of inclusions and carbides is characterised. The quantitative fractography of broken Charpy specimens is carried out. The correlation of crack initiation energy and the area of ductile fracture adjacent to the notch is identified. It is shown that most of the absorbed energy belongs to the stage preceding the cleavage crack initiation. From the fracture surface of Charpy specimen, the distribution of ductile dimples is investigated. The relationship between the distribution of ductile dimples and the distribution of second phase particles is discussed. (en)
Title
  • Mechanisms of Fracture in Neutron-Irradiated 15Ch2MFA Steel
  • Mechanisms of Fracture in Neutron-Irradiated 15Ch2MFA Steel (en)
  • Mechanizmy lomu v neutrony ozářené oceli 15Ch2MFA (cs)
skos:prefLabel
  • Mechanisms of Fracture in Neutron-Irradiated 15Ch2MFA Steel
  • Mechanisms of Fracture in Neutron-Irradiated 15Ch2MFA Steel (en)
  • Mechanizmy lomu v neutrony ozářené oceli 15Ch2MFA (cs)
skos:notation
  • RIV/68407700:21340/08:04149438!RIV09-MSM-21340___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(MSM6840770020)
http://linked.open...iv/cisloPeriodika
  • 1
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 378301
http://linked.open...ai/riv/idVysledku
  • RIV/68407700:21340/08:04149438
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • ductile to brittle transition temperature; fracture energy; instrumented Charpy test; quantitative fractography (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • US - Spojené státy americké
http://linked.open...ontrolniKodProRIV
  • [68A12AE2898D]
http://linked.open...i/riv/nazevZdroje
  • Strength of Materials
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 40
http://linked.open...iv/tvurceVysledku
  • Haušild, Petr
  • Kytka, Miloš
  • Válek, Štěpán
http://linked.open...ain/vavai/riv/wos
  • 000262960300027
http://linked.open...n/vavai/riv/zamer
issn
  • 0039-2316
number of pages
http://localhost/t...ganizacniJednotka
  • 21340
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