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| Description
| - The main aim of the presented experiments is to improve behaviour of sandwich structures under dynamic loading, such as crash or explosion. Several cellular materials are widely used as core of the sandwich structures and their properties influence the response of the entire element under impact load. To optimize their performance requires the characterisation of the core material behaviour at high strain rates and identification of the underlying mechanism. This work presents the study of high strain-rate characteristics of a specific porous lightweight blast energy absorbing foam using a Split Hopkinson Pressure Bar (SHPB) technique adapted to perform tests on low strength materials. Two different velocities, 15 and 30 m.s-1 were used to determine the strain sensitivity of the material. Foams were designed using two types of porous lightweight spherical raw materials with diameters of 30-100 µm, combined with polymer matrix. Cylindrical specimens with diameter of 10 mm and length of 7 mm were prepared and loaded using a Split Hopkinson Pressure Bar apparatus to assess the relation between the composition of the material and its shock wave attenuation capacity. eISSN: 1307-6892, Vol. 8, No. 10. Pp. 76-80, United Arab emirates
- The main aim of the presented experiments is to improve behaviour of sandwich structures under dynamic loading, such as crash or explosion. Several cellular materials are widely used as core of the sandwich structures and their properties influence the response of the entire element under impact load. To optimize their performance requires the characterisation of the core material behaviour at high strain rates and identification of the underlying mechanism. This work presents the study of high strain-rate characteristics of a specific porous lightweight blast energy absorbing foam using a Split Hopkinson Pressure Bar (SHPB) technique adapted to perform tests on low strength materials. Two different velocities, 15 and 30 m.s-1 were used to determine the strain sensitivity of the material. Foams were designed using two types of porous lightweight spherical raw materials with diameters of 30-100 µm, combined with polymer matrix. Cylindrical specimens with diameter of 10 mm and length of 7 mm were prepared and loaded using a Split Hopkinson Pressure Bar apparatus to assess the relation between the composition of the material and its shock wave attenuation capacity. eISSN: 1307-6892, Vol. 8, No. 10. Pp. 76-80, United Arab emirates (en)
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| Title
| - High strain rate charateristics of the advanced blast energy absorbers. Journal of chemical, nuclear, metalurgical and materials engineering
- High strain rate charateristics of the advanced blast energy absorbers. Journal of chemical, nuclear, metalurgical and materials engineering (en)
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| skos:prefLabel
| - High strain rate charateristics of the advanced blast energy absorbers. Journal of chemical, nuclear, metalurgical and materials engineering
- High strain rate charateristics of the advanced blast energy absorbers. Journal of chemical, nuclear, metalurgical and materials engineering (en)
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| skos:notation
| - RIV/26232511:_____/14:22945S08!RIV15-GA0-26232511
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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/26232511:_____/14:22945S08
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - blast; resin; foam; absorber (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...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...iv/tvurceVysledku
| - Buchar, Jaroslav
- Frank, Michal
- Drdlová, Martina
- Krátký, Josef
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