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Original title:
High strain-rate compressive testing of filling materials for inter-penetrating phase composites
Authors: Doktor, T. ; Fíla, T. ; Zlámal, Petr ; Kytýř, Daniel ; Jiroušek, O.
Document type: Papers
Conference/Event: Youth Symposium on Experimental Solid Mechanics /17./, Telč (CZ), 20190606
Year: 2019
Language: eng
Abstract: In this study behavior of the selected types of filling material for the inter-penetrating phase composites was tested in compressive loading mode at low and high strain-rates. Three types of the filling material were tested, (i) ordnance gelatin, (ii) low expansion polyurethane foam, and (iii) polyurethane putty. To evaluate their impact energy absorption bulk samples of the selected materials were tested in compression loading mode at strain-rates 1000 s−1 to 4000 s−1. The high strain-rate compressive loading was provided by Split Hopkinson Pressure Bar (SHPB) which was equipped with PMMA bars to enable testing of cellular materials with low mechanical impedance. Based on the comparative measurement response to compression at both low and high strain-rates was analysed. The results show a significant strain-rate sensitivity of the ordnance gelatin and of the polyurethane putty, while strain-rate effect in the polyurethane foam was not observed.
Keywords: impact protection filling materials; interpenetration phase composite; SHPB; strain-rate sensitivity
Project no.: EF16_019/0000766
Funding provider: GA MŠk
Host item entry: Acta Polytechnica CTU Proceedings, ISBN 978-80-01-06670-6
Note: Související webová stránka: https://ojs.cvut.cz/ojs/index.php/APP/article/view/6015
Institution: Institute of Theoretical and Applied Mechanics AS ČR (web)
Document availability information: Fulltext is available at the institute of the Academy of Sciences.
Original record: http://hdl.handle.net/11104/0300560
Permalink: http://www.nusl.cz/ntk/nusl-408939
The record appears in these collections:
Research > Institutes ASCR > Institute of Theoretical and Applied Mechanics
Conference materials > Papers
Authors: Doktor, T. ; Fíla, T. ; Zlámal, Petr ; Kytýř, Daniel ; Jiroušek, O.
Document type: Papers
Conference/Event: Youth Symposium on Experimental Solid Mechanics /17./, Telč (CZ), 20190606
Year: 2019
Language: eng
Abstract: In this study behavior of the selected types of filling material for the inter-penetrating phase composites was tested in compressive loading mode at low and high strain-rates. Three types of the filling material were tested, (i) ordnance gelatin, (ii) low expansion polyurethane foam, and (iii) polyurethane putty. To evaluate their impact energy absorption bulk samples of the selected materials were tested in compression loading mode at strain-rates 1000 s−1 to 4000 s−1. The high strain-rate compressive loading was provided by Split Hopkinson Pressure Bar (SHPB) which was equipped with PMMA bars to enable testing of cellular materials with low mechanical impedance. Based on the comparative measurement response to compression at both low and high strain-rates was analysed. The results show a significant strain-rate sensitivity of the ordnance gelatin and of the polyurethane putty, while strain-rate effect in the polyurethane foam was not observed.
Keywords: impact protection filling materials; interpenetration phase composite; SHPB; strain-rate sensitivity
Project no.: EF16_019/0000766
Funding provider: GA MŠk
Host item entry: Acta Polytechnica CTU Proceedings, ISBN 978-80-01-06670-6
Note: Související webová stránka: https://ojs.cvut.cz/ojs/index.php/APP/article/view/6015
Institution: Institute of Theoretical and Applied Mechanics AS ČR (web)
Document availability information: Fulltext is available at the institute of the Academy of Sciences.
Original record: http://hdl.handle.net/11104/0300560
Permalink: http://www.nusl.cz/ntk/nusl-408939
The record appears in these collections:
Research > Institutes ASCR > Institute of Theoretical and Applied Mechanics
Conference materials > Papers
Record created 2020-01-13, last modified 2021-11-24