Effect of the additions of dehydrated geopolymer powders on compressive strength and integrity of the final geopolymer

Küçük Resim Yok

Tarih

2015

Dergi Başlığı

Dergi ISSN

Cilt Başlığı

Yayıncı

Korean Assoc Crystal Growth, Inc

Erişim Hakkı

info:eu-repo/semantics/closedAccess

Özet

In this study, it is aimed to improve geopolymer compressive strength and integrity without causing any impurity. Thus, the effect of the additions of dehydrated geopolymer powders (0-40 wt.%) on compressive strength and integrity of the geopolymers cured with two different compositions was investigated. The powders were obtained by grinding of monolithic pure geopolymer which was dimensionally stabilised by thermally dehydration at 400 degrees C. Results of this study showed that when the powders were added at 10 wt.%, compactness of the microstructure and compressive strength of the samples increased. Additions of dehydrated geopolymer powder enhanced the integrity of the samples without changing the amorphous structure and typical FTIR spectrum of the pure geopolymers. Unlike the pure sample; after being thermally treated at 400 degrees C, the crack free samples, which had compressive strengths up to 51.65 Mpa could be obtained with the additions of the powders.

Açıklama

Anahtar Kelimeler

Geopolymers, Integrity, Ceramics, Compressive strength, Metakaolin

Kaynak

Journal of Ceramic Processing Research

WoS Q Değeri

Q4

Scopus Q Değeri

Cilt

16

Sayı

6

Künye