Mechanical properties of geopolymer foam at high temperature

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dc.contributor.authorLe, Van Su
dc.contributor.authorSzczypinski, Michal M.
dc.contributor.authorHájková, Pavlína
dc.contributor.authorKovačič, Vladimír
dc.contributor.authorBakalova, Totka
dc.contributor.authorVoleský, Lukáš
dc.contributor.authorHiep, Le Chi
dc.contributor.authorLouda, Petr
dc.date.accessioned2020-06-01T08:20:21Z
dc.date.available2020-06-01T08:20:21Z
dc.date.issued2020-01
dc.description.abstractIn this work, geopolymer foam composites containing waste basalt fibre (10, 30, and 50%wt) were exposed to elevated temperatures of 200, 400, 600, 800 and 1000 degrees C. With an increase in high temperature, the geopolymer foams material exhibits a decrease in compressive strength and bending strength. When heated above 600 degrees C, geopolymer foams materials exhibit a significant reduction in mechanical properties. It shows clearly with the naked eye that surface cracks in case of samples containing 10% of basalt filler. However, when increasing fillers with basalt fibres up to 30% and 50%, the cracking of the sample surface is no longer visible to the naked eye. Especially when the temperature increases, the mechanical properties also increase without decreasing in the sample of 50% by weighing to the binder. The results show that reinforcing the geopolymer foams with basalt ground fibre improves the mechanical properties at high temperatures.cs
dc.format.extent10 strancs
dc.identifier.doi10.1515/secm-2020-0013
dc.identifier.urihttps://dspace.tul.cz/handle/15240/154910
dc.identifier.urihttps://www.degruyter.com/view/journals/secm/27/1/article-p129.xml
dc.language.isocscs
dc.relation.ispartofSCIENCE AND ENGINEERING OF COMPOSITE MATERIALS
dc.subjectaluminiumcs
dc.subjectcompressive strengthcs
dc.subjectflexural strengthcs
dc.subjectagent powdercs
dc.subjectbasalt fibrecs
dc.titleMechanical properties of geopolymer foam at high temperaturecs
local.citation.epage138
local.citation.spage129
local.relation.issue1
local.relation.volume27
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