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rdf:type
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Description
| - Static fatigue of commercial available unidirectional SiC-fibre reinforced glass matrix composite has been followed by measuring fracture toughness of samples statically pre-loaded at different stresses and times. Pre-load levels were just below the loads corresponding to fracture strength, the (bending) pre-stress being on level 300, 310 and 315 MPa. Three hold times, 25, 50 and 75 h were applied at the stresses. For fracture toughness (KIc) determination a chevron-notch three-point bend test was applied. The method has been found to be the only way to accurately detect and quantify very subtle microdamage on fiber/matrix interfaces caused by static pre-stressing. Despite of the high scatter of the measured KIc values, a decrease in fracture toughness with increasing pre-stress and hold time has been found. A parameter enabling to quantify the cumulative and combined effect of pre-stress and hold time on fracture toughness of the composites has been proposed.
- Static fatigue of commercial available unidirectional SiC-fibre reinforced glass matrix composite has been followed by measuring fracture toughness of samples statically pre-loaded at different stresses and times. Pre-load levels were just below the loads corresponding to fracture strength, the (bending) pre-stress being on level 300, 310 and 315 MPa. Three hold times, 25, 50 and 75 h were applied at the stresses. For fracture toughness (KIc) determination a chevron-notch three-point bend test was applied. The method has been found to be the only way to accurately detect and quantify very subtle microdamage on fiber/matrix interfaces caused by static pre-stressing. Despite of the high scatter of the measured KIc values, a decrease in fracture toughness with increasing pre-stress and hold time has been found. A parameter enabling to quantify the cumulative and combined effect of pre-stress and hold time on fracture toughness of the composites has been proposed. (en)
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Title
| - Effect of static pre-loading on fracture toughness of Nicalon fibre glass matrix composite.
- Effect of static pre-loading on fracture toughness of Nicalon fibre glass matrix composite. (en)
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skos:prefLabel
| - Effect of static pre-loading on fracture toughness of Nicalon fibre glass matrix composite.
- Effect of static pre-loading on fracture toughness of Nicalon fibre glass matrix composite. (en)
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skos:notation
| - RIV/68081723:_____/04:07033154!RIV/2004/AV0/A07004/N
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http://linked.open.../vavai/riv/strany
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http://linked.open...avai/riv/aktivita
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http://linked.open...avai/riv/aktivity
| - P(IAA2041003), P(ME 491), Z(AV0Z2041904)
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http://linked.open...iv/cisloPeriodika
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http://linked.open...vai/riv/dodaniDat
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http://linked.open...aciTvurceVysledku
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http://linked.open.../riv/druhVysledku
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http://linked.open...iv/duvernostUdaju
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http://linked.open...titaPredkladatele
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http://linked.open...dnocenehoVysledku
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http://linked.open...ai/riv/idVysledku
| - RIV/68081723:_____/04:07033154
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http://linked.open...riv/jazykVysledku
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http://linked.open.../riv/klicovaSlova
| - Nicalon fibre; glass matrix composite; fracture toughness (en)
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http://linked.open.../riv/klicoveSlovo
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http://linked.open...odStatuVydavatele
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http://linked.open...ontrolniKodProRIV
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http://linked.open...i/riv/nazevZdroje
| - Materials Scienes and Engineering A
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http://linked.open...in/vavai/riv/obor
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http://linked.open...ichTvurcuVysledku
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http://linked.open...cetTvurcuVysledku
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http://linked.open...ocetUcastnikuAkce
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http://linked.open...nichUcastnikuAkce
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http://linked.open...vavai/riv/projekt
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http://linked.open...UplatneniVysledku
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http://linked.open...v/svazekPeriodika
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http://linked.open...iv/tvurceVysledku
| - Boccaccini, A. R.
- Chlup, Zdeněk
- Dlouhý, Ivo
- Chawla, K. K.
- Koopman, M.
- Kulkarmi, R.
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http://linked.open...n/vavai/riv/zamer
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issn
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number of pages
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