About: Determination of crack initiation direction from a bi-material notch based on the strain energy density concept     Goto   Sponge   NotDistinct   Permalink

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Description
  • Příspěvek ukazuje postup určení směru iniciace trhliny z bi-materiálového vrubu. Přístup je založen na znalosti rozložení hustoty deformační energie. Nejprve je vyjádřena hustota deformační energie pro bi-materiálový vrub a z něho je následně určován směr předpokládané iniciace trhliny. Je ukázáno, že pro stanovení směru iniciace trhliny je třeba brát v úvahu oba singulární členy rozvoje napětí. Výsledky jsou ukázány pro danou geometrii vrubu a pro měnící se poměr Youngových modulů E1/E2 obou materiálů a pro měnící se poměr součinitelů intenzity napětí H2/H1. (cs)
  • The article presents a procedure for the determination of the direction of crack initiation from a bi-material notch. The approach is based on the knowledge of the strain energy density distribution. First, the strain energy density for a bi-material notch is expressed and then the directions of the crack initiation are evaluated. It is shown that for estimation of the crack initiation direction two existing singular terms have to be taken into account. The results are presented for a specific notch geometry for the varying ratio of Young’s moduli E1/E2 of both materials and the varying ratio of generalized stress intensity factors H2/H1.
  • The article presents a procedure for the determination of the direction of crack initiation from a bi-material notch. The approach is based on the knowledge of the strain energy density distribution. First, the strain energy density for a bi-material notch is expressed and then the directions of the crack initiation are evaluated. It is shown that for estimation of the crack initiation direction two existing singular terms have to be taken into account. The results are presented for a specific notch geometry for the varying ratio of Young’s moduli E1/E2 of both materials and the varying ratio of generalized stress intensity factors H2/H1. (en)
Title
  • Determination of crack initiation direction from a bi-material notch based on the strain energy density concept
  • Determination of crack initiation direction from a bi-material notch based on the strain energy density concept (en)
  • Určení směru iniciace trhliny z bi-materiálového vrubu založené na přístupu hustoty deformační energie (cs)
skos:prefLabel
  • Determination of crack initiation direction from a bi-material notch based on the strain energy density concept
  • Determination of crack initiation direction from a bi-material notch based on the strain energy density concept (en)
  • Určení směru iniciace trhliny z bi-materiálového vrubu založené na přístupu hustoty deformační energie (cs)
skos:notation
  • RIV/68081723:_____/07:00047138!RIV07-AV0-68081723
http://linked.open.../vavai/riv/strany
  • 214;218
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA101/05/0320), Z(AV0Z20410507)
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
  • 416650
http://linked.open...ai/riv/idVysledku
  • RIV/68081723:_____/07:00047138
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • strain energy density; bi-material notch; crack initiation direction (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • NL - Nizozemsko
http://linked.open...ontrolniKodProRIV
  • [DC89AF1F7082]
http://linked.open...i/riv/nazevZdroje
  • Computational Materials Science
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 39
http://linked.open...iv/tvurceVysledku
  • Knésl, Zdeněk
  • Klusák, Jan
http://linked.open...n/vavai/riv/zamer
issn
  • 0927-0256
number of pages
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