Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 80: Issue 3
Thermal characterization of portland cement-magnesia blends
Authors:
J. Lawry Department of Chemistry, Materials and Forensic Science, University of Technology Sydney, Australia

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A. Ray Department of Chemistry, Materials and Forensic Science, University of Technology Sydney, Australia

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D. Klimesch Department of Chemistry, Materials and Forensic Science, University of Technology Sydney, Australia

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P. Thomas Department of Chemistry, Materials and Forensic Science, University of Technology Sydney, Australia

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J.-P. Guerbois Department of Chemistry, Materials and Forensic Science, University of Technology Sydney, Australia

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J. Harrison John Harrison, TecEco Pty. Ltd. 497 Main Road, Glenorchy, Tasmania, Australia

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Pages:
637–641
Online Publication Date:
31 May 2005
Publication Date:
01 Jun 2005
Article Category:
Research Article
DOI:
https://doi.org/10.1007/s10973-005-0706-6
Keywords:
TG; DTA; magnesia; mortar; OPC
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Summary Due to growing environmental concerns and the need to use less energy-intensive building products, alternatives and improvements to Portland cement (PC) are being actively researched worldwide. Use of supplementary materials is now a common practice where PC is the predominant component of inorganic building products. This study aims to investigate the potential of magnesia (MgO), derived from a naturally occurring raw material magnesite, as a supplementary material. Results from mortar samples prepared with 10 and 20% replacements of ordinary Portland cement (OPC) by MgO are presented. DTA-TG was used to study and characterise the hydration behaviour of MgO in OPC environment after 3, 7, 14, 28, 56 and 90 days of moist curing. Microstructural and compressive strength determinations providing additional information on the influence of hydrated phases are also reported.

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Cover Journal of Thermal Analysis and Calorimetry
Journal of Thermal Analysis and Calorimetry
Print ISSN:
1388-6150
Online ISSN:
1572-8943

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation		 1969
Volumes
per Year		 1
Issues
per Year		 24
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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