Effect of Carbonation on Abrasion Resistance of Alkali-Activated Slag with Various Activators

The effect of carbonation on the abrasion resistance of alkali-activated slag (AAS) was investigated. Various activator sets were selected for synthesizing AAS specimens, and the compressive strength was measured before and after carbonation. The abrasion resistance of the specimens was measured in...

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Autores principales: Kim, Hyeong-Ki, Song, Keum-Il, Song, Jin-Kyu, Jang, Jeong Gook
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2019
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6747776/
https://www.ncbi.nlm.nih.gov/pubmed/31480649
http://dx.doi.org/10.3390/ma12172812
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author Kim, Hyeong-Ki
Song, Keum-Il
Song, Jin-Kyu
Jang, Jeong Gook
author_facet Kim, Hyeong-Ki
Song, Keum-Il
Song, Jin-Kyu
Jang, Jeong Gook
author_sort Kim, Hyeong-Ki
collection PubMed
description The effect of carbonation on the abrasion resistance of alkali-activated slag (AAS) was investigated. Various activator sets were selected for synthesizing AAS specimens, and the compressive strength was measured before and after carbonation. The abrasion resistance of the specimens was measured in accordance with the ASTM C944 test method. The relationship between the mass loss caused by abrasion and compressive strength was analyzed to understand the effect of matrix strength on abrasion resistance. Test results showed that the decrease in compressive strength of AAS specimens by carbonation reduced their abrasion resistance. In addition, the abrasion resistance of AAS before and after carbonation was sensitively influenced by activator type. It can be concluded that additional caution is required when using AAS where abrasion may have occurred.
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spelling pubmed-67477762019-09-27 Effect of Carbonation on Abrasion Resistance of Alkali-Activated Slag with Various Activators Kim, Hyeong-Ki Song, Keum-Il Song, Jin-Kyu Jang, Jeong Gook Materials (Basel) Article The effect of carbonation on the abrasion resistance of alkali-activated slag (AAS) was investigated. Various activator sets were selected for synthesizing AAS specimens, and the compressive strength was measured before and after carbonation. The abrasion resistance of the specimens was measured in accordance with the ASTM C944 test method. The relationship between the mass loss caused by abrasion and compressive strength was analyzed to understand the effect of matrix strength on abrasion resistance. Test results showed that the decrease in compressive strength of AAS specimens by carbonation reduced their abrasion resistance. In addition, the abrasion resistance of AAS before and after carbonation was sensitively influenced by activator type. It can be concluded that additional caution is required when using AAS where abrasion may have occurred. MDPI 2019-09-02 /pmc/articles/PMC6747776/ /pubmed/31480649 http://dx.doi.org/10.3390/ma12172812 Text en © 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Kim, Hyeong-Ki
Song, Keum-Il
Song, Jin-Kyu
Jang, Jeong Gook
Effect of Carbonation on Abrasion Resistance of Alkali-Activated Slag with Various Activators
title Effect of Carbonation on Abrasion Resistance of Alkali-Activated Slag with Various Activators
title_full Effect of Carbonation on Abrasion Resistance of Alkali-Activated Slag with Various Activators
title_fullStr Effect of Carbonation on Abrasion Resistance of Alkali-Activated Slag with Various Activators
title_full_unstemmed Effect of Carbonation on Abrasion Resistance of Alkali-Activated Slag with Various Activators
title_short Effect of Carbonation on Abrasion Resistance of Alkali-Activated Slag with Various Activators
title_sort effect of carbonation on abrasion resistance of alkali-activated slag with various activators
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6747776/
https://www.ncbi.nlm.nih.gov/pubmed/31480649
http://dx.doi.org/10.3390/ma12172812
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