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| Description
| - Lomové zkoušky při 20°C na čtyřech monokrystalech Fe-3hm%Si ukázaly odklon boční trhliny (110)[001] (rovina trhliny, čelo trhliny) pod úhlem přibližně 45°od osy [-110]. Toto chování bylo nezávislé na rychlosti zatěžování. Fraktografická analýza potvrdila, že trhliny jsou odkloněny podál rovin {100} a že lom byl doprovázen skluzem na rovinách {110} a mechanickým dvojčatěním na rovinách {112}. 3D simulace metodou molekulární dynamiky při 300 K v alfa železe na tělesech s bočními trhlinami ekvivalentní orientace ukázaly, že odklon trhliny je způsoben 3 procesy: dvojčatěním na skloněných rovinách {112}, které brzdí růst původní trhliny, emisí dislokací na skloněných rovinách {011} a {123}, která vede k separaci rovin {100} a může způsobit dekohezi a následné štěpení podél těchto rovin. (cs)
- Fracture experiments performed at room temperature on four test samples made of Fe-3wt.%Si single crystals have shown deflections of an edge crack (110)[001] (crack plane, crack front) from the axis [-110] of the potential crack extension of approximately 45o. This behavior has appeared to be independent on loading rate. Fractographic analysis confirmed that the cracks were deviated along {100} planes and the fracture was accompanied by slip on {011} planes and by twinning on {112} planes. 3D simulations at 300 K by molecular dynamic technique in bcc iron with edge cracks of equivalent orientation indicated that the crack itself could contribute to understanding of this behavior by 3 processes: twinning on oblique {112} planes, which hindered growth of the original crack, and by emission of dislocations on oblique {011} and {123} planes, which led to separation of the {100} planes and might cause decohesion and subsequent cleavage fracture along mentioned planes.
- Fracture experiments performed at room temperature on four test samples made of Fe-3wt.%Si single crystals have shown deflections of an edge crack (110)[001] (crack plane, crack front) from the axis [-110] of the potential crack extension of approximately 45o. This behavior has appeared to be independent on loading rate. Fractographic analysis confirmed that the cracks were deviated along {100} planes and the fracture was accompanied by slip on {011} planes and by twinning on {112} planes. 3D simulations at 300 K by molecular dynamic technique in bcc iron with edge cracks of equivalent orientation indicated that the crack itself could contribute to understanding of this behavior by 3 processes: twinning on oblique {112} planes, which hindered growth of the original crack, and by emission of dislocations on oblique {011} and {123} planes, which led to separation of the {100} planes and might cause decohesion and subsequent cleavage fracture along mentioned planes. (en)
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| Title
| - Deflection of the Crack (110)[001] in bcc Iron Crystals Loaded in Mode I
- Odklonění trhliny (110)[001] v monokrystalech alfa-železa zatěžovaných v módu I (cs)
- Deflection of the Crack (110)[001] in bcc Iron Crystals Loaded in Mode I (en)
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| skos:prefLabel
| - Deflection of the Crack (110)[001] in bcc Iron Crystals Loaded in Mode I
- Odklonění trhliny (110)[001] v monokrystalech alfa-železa zatěžovaných v módu I (cs)
- Deflection of the Crack (110)[001] in bcc Iron Crystals Loaded in Mode I (en)
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| skos:notation
| - RIV/68407700:21340/08:04147698!RIV09-MSM-21340___
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
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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/68407700:21340/08:04147698
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - Fe-3%Si; block-like shear; dislocation emission; molecular dynamics; twinning (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...v/mistoKonaniAkce
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| http://linked.open...i/riv/mistoVydani
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| http://linked.open...i/riv/nazevZdroje
| - Proceedings ECF17 - Multilevel Approach to Fracture of Materials, Components and Structures
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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...UplatneniVysledku
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| http://linked.open...iv/tvurceVysledku
| - Haušild, Petr
- Landa, M.
- Sedlák, Petr
- Karlík, Miroslav
- Prahl, Jakub
- Lejček, P.
- Machová, A.
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| http://linked.open...vavai/riv/typAkce
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| http://linked.open.../riv/zahajeniAkce
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| http://linked.open...n/vavai/riv/zamer
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| number of pages
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| http://purl.org/ne...btex#hasPublisher
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| https://schema.org/isbn
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| http://localhost/t...ganizacniJednotka
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