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| Description
| - This work aims to apply the microindentation technique for assessing the influence of two aging factors - long-term weathering and long-term laboratory aging on the time-dependent mechanical properties of an epoxy composite. The linear theory of viscoelasticity was taken as a background for the problem, and the time-independent Poisson ratio value was assumed to simplify the assessment. Two nanoindenters were used (Hysitron Triboscan and Nano Indenter XP) at two different laboratories. Four special time-dependent loading histories were applied: indentation under a step load, indentation under a constant load rate, indentation with a fixed depth of penetration, and indentation under a constant rate of penetration. The short-term histories of the viscoelastic compliance of a common epoxy composite, affected by 5-year weathering or laboratory aging, measured using a microindentation technique were compared to the data derived from standard macro measurements. The findings suggest that a qualitative assessment of the influence of the investigated aging effects on mechanical properties can be handled using short-term microindentation data, but the data has to be freed of possible attendant factors, especially of the influence of polishing procedures accompanying the microindentation techniques, before comparing it with standard measurement data.
- This work aims to apply the microindentation technique for assessing the influence of two aging factors - long-term weathering and long-term laboratory aging on the time-dependent mechanical properties of an epoxy composite. The linear theory of viscoelasticity was taken as a background for the problem, and the time-independent Poisson ratio value was assumed to simplify the assessment. Two nanoindenters were used (Hysitron Triboscan and Nano Indenter XP) at two different laboratories. Four special time-dependent loading histories were applied: indentation under a step load, indentation under a constant load rate, indentation with a fixed depth of penetration, and indentation under a constant rate of penetration. The short-term histories of the viscoelastic compliance of a common epoxy composite, affected by 5-year weathering or laboratory aging, measured using a microindentation technique were compared to the data derived from standard macro measurements. The findings suggest that a qualitative assessment of the influence of the investigated aging effects on mechanical properties can be handled using short-term microindentation data, but the data has to be freed of possible attendant factors, especially of the influence of polishing procedures accompanying the microindentation techniques, before comparing it with standard measurement data. (en)
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| Title
| - Microindentation into an Epoxy Composition to Assess the Influence of Aging on Mechanical Properties
- Microindentation into an Epoxy Composition to Assess the Influence of Aging on Mechanical Properties (en)
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| skos:prefLabel
| - Microindentation into an Epoxy Composition to Assess the Influence of Aging on Mechanical Properties
- Microindentation into an Epoxy Composition to Assess the Influence of Aging on Mechanical Properties (en)
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| skos:notation
| - RIV/49777513:23640/12:43917343!RIV13-MSM-23640___
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| http://linked.open...avai/predkladatel
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
| - P(IAA200710801), V, Z(AV0Z20710524)
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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/49777513:23640/12:43917343
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - viscoelastical properties; aging, nanoindentation; epoxy composite (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...odStatuVydavatele
| - US - Spojené státy americké
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...i/riv/nazevZdroje
| - Journal of Applied Polymer Science
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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...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
| - Lukeš, Jaroslav
- Němeček, Jiří
- Šperl, Martin
- Bláhová, Olga
- Minster, Jiří
- Hristova, Julia
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| http://linked.open...ain/vavai/riv/wos
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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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| http://bibframe.org/vocab/doi
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| http://localhost/t...ganizacniJednotka
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| is http://linked.open...avai/riv/vysledek
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