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  • The paper deals with calculation of the parameters of ceramic material from a set of destruction tests of ceramic heads of total hip joint endoprostheses. The standard way of calculation of the material parameters consists in carrying out a set of 3 or 4 point bending tests of specimens cut out from parts of the ceramic material to be analysed. In case of ceramic heads, it is not possible to cut out specimens of required dimensions because the heads are too small. On that score, a special testing jig was made, in which 40 heads were destructed. From the measured values of circumferential strains of the head's external spherical surface under destruction, the state of stress in the head under destruction was established using the final elements method (FEM). From the values obtained the sought for parameters of the ceramic material were calculated using Weibull's weakest-link theory.
  • The paper deals with calculation of the parameters of ceramic material from a set of destruction tests of ceramic heads of total hip joint endoprostheses. The standard way of calculation of the material parameters consists in carrying out a set of 3 or 4 point bending tests of specimens cut out from parts of the ceramic material to be analysed. In case of ceramic heads, it is not possible to cut out specimens of required dimensions because the heads are too small. On that score, a special testing jig was made, in which 40 heads were destructed. From the measured values of circumferential strains of the head's external spherical surface under destruction, the state of stress in the head under destruction was established using the final elements method (FEM). From the values obtained the sought for parameters of the ceramic material were calculated using Weibull's weakest-link theory. (en)
Title
  • Calculation of the Ceramic Material Parameters from the Destructions
  • Calculation of the Ceramic Material Parameters from the Destructions (en)
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  • Calculation of the Ceramic Material Parameters from the Destructions
  • Calculation of the Ceramic Material Parameters from the Destructions (en)
skos:notation
  • RIV/61388998:_____/09:00335302!RIV10-AV0-61388998
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(AV0Z20760514)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
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http://linked.open...iv/duvernostUdaju
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  • 305758
http://linked.open...ai/riv/idVysledku
  • RIV/61388998:_____/09:00335302
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • weibull; material parameters; destruction tests (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [F42F31F4912E]
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
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http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Fuis, Vladimír
  • Houfek, Martin
http://linked.open...n/vavai/riv/zamer
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