High strain rate charateristics of the advanced blast energy absorbers. Journal of chemical, nuclear, metalurgical and materials engineering
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F26232511%3A_____%2F14%3A22945S08" target="_blank" >RIV/26232511:_____/14:22945S08 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Alternative languages
Result language
angličtina
Original language name
High strain rate charateristics of the advanced blast energy absorbers. Journal of chemical, nuclear, metalurgical and materials engineering
Original language 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 ?m, combined with polymer matrix. Cylindrical specimens with diameter of 10 mm and length of
Czech name
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Czech description
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Classification
Type
O - Miscellaneous
CEP classification
JJ - Other materials
OECD FORD branch
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Result continuities
Project
<a href="/en/project/GA13-22945S" target="_blank" >GA13-22945S: Research of advanced constructions for impact energy absorption and on their behavior at high strain rates</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Others
Publication year
2014
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů