Enhancement of thermo-rheological properties of smart materials based on SiO2 and PPG modificated with expanded graphite

Małgorzata Głuszek , Michał Kubiś , Radosław Żurowski , Tomasz Wiśniewski , Mikołaj Szafran


The influence of expanded graphite (EG) on the thermal and rheological properties of shear thickening fluids (STF) based on silica powder with poly (propylene glycol) matrix was studied. Capturing the benefits of this non-Newtonian system in a fabricated material allows producing advance flexible protectors. However, in order to provide high protection potential in response to an external force, it is necessary to minimize negative effect of temperature on STF. The doping additives reduce the unfavorable effect of temperature increase on shear thickening flow during an impact through faster heat exchange and return to the initial state, characterized by the highest protective potential. EG in different volume fractions (0.10% - 5.00%) as a partial substitution of STF and SiO2 was added to studied systems and measured at temperatures in the range from 25.0 to 50.0°C. The dilatant effect of fluids increased by 580% for 5% volume fraction EG at 50.0°C.
Author Małgorzata Głuszek (FC / CChT)
Małgorzata Głuszek,,
- Chair of Chemical Technology
, Michał Kubiś (FPAE / IHE)
Michał Kubiś,,
- The Institute of Heat Engineering
, Radosław Żurowski (FC / CChT)
Radosław Żurowski,,
- Chair of Chemical Technology
, Tomasz Wiśniewski (FPAE / IHE)
Tomasz Wiśniewski,,
- The Institute of Heat Engineering
, Mikołaj Szafran (FC / CChT)
Mikołaj Szafran,,
- Chair of Chemical Technology
Journal seriesInternational Journal of Applied Ceramic Technology, ISSN 1546-542X, (A 35 pkt)
Issue year2018
Publication size in sheets0.5
Keywords in Englishcomposites, graphite, polymer/polymerization, silica
ASJC Classification2505 Materials Chemistry; 1406 Marketing; 3104 Condensed Matter Physics; 2503 Ceramics and Composites
URL http://onlinelibrary.wiley.com/doi/10.1111/ijac.12808/abstract
Languageen angielski
Głuszek_et_al-2018-International_Journal_of_Applied_Ceramic_Technology.pdf 1.35 MB
Score (nominal)35
ScoreMinisterial score = 35.0, 03-10-2019, ArticleFromJournal
Publication indicators WoS Citations = 3; Scopus Citations = 3; Scopus SNIP (Source Normalised Impact per Paper): 2016 = 0.674; WoS Impact Factor: 2017 = 1.165 (2) - 2017=1.175 (5)
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