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Effects of iron powder on properties of geopolymers subjected to different curing regimes

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Title Effects of iron powder on properties of geopolymers subjected to different curing regimes
 
Creator Gulmez, Nihan
Kockal, Niyazi Ugur
 
Subject Geopolymer
Iron powder
Silica fume
Slag
 
Description 393-408
Silica fume, slag and iron powder are by-products from various industries. In parallel with development of industrial
technology, it is also known that these by-products which cause rapid pollution of the environment are also harmful to
human health because they are easily respirable. For this reason, a series of experiments were carried out to determine
physical and mechanical properties on samples prepared using different blend designs to examine the effect of factors such
as curing conditions, binder type and waste iron powder content. Percentages of iron powder added to replace the aggregate
are 10%, 20%, 30% and 40% by volume of slag aggregate. It was observed that the substitution of 30% by volume iron
powder instead of slag in geopolymer mortars is the most effective in increasing splitting tensile strength. For 40% partial
replacement of fine aggregates with iron powder, increases in compressive strength and flexural strength of slag-based
mortars were 7.2% and 43.4%, respectively, compared to mortar without iron powder at 60°C curing conditions.
 
Date 2021-10-08T11:38:28Z
2021-10-08T11:38:28Z
2021-08
 
Type Article
 
Identifier 0975-1017 (Online); 0971-4588 (Print)
http://nopr.niscair.res.in/handle/123456789/58251
 
Language en
 
Publisher NIScPR-CSIR, India
 
Source IJEMS Vol.28(4) [August 2021]