NDLI: Morphogenesis of cement hydrate

Content Provider	Royal Society of Chemistry (RSC)
Author	Shahsavari, Rouzbeh Hejazi, Vahid Alizadeh, Aali R. Shi, Benhang Whitmire, Kenton H. Sreenivasan, Sreeprasad Miller, Joseph Zhao, Shuo Rusakova, Irene Hwang, Sung Hoon Moghaddam, Sakineh E.
Copyright Year	2017
Abstract	As the most widely used synthetic material on the planet, concrete poses a serious societal concern regarding its significant environmental footprint. There is a global urgency to develop innovative strategies to develop greener concrete with improved strength and durability (to do more with less). In this context, reducing cement hydrate porosity via tuning the kinetics and morphology of its building blocks is highly desired but a fundamental challenge. Herein, we propose for the first time a unique pathway involving in situ seed generation and subsequent controlled overgrowth, demonstrating the morphogenesis of cement hydrate ranging from cubic, rhombohedral, dendritic to core–shell-like structures, which are all expressed in a single morphology diagram. Probing the mechanics of individual particles versus their assemblies at larger scales reveals that the low porosity attained by the formation of face-to-face close-packed cubic particles leads to significantly improved mechanics, opening up an entirely new phase space for bottom-up engineering of concrete while curbing its negative environmental impacts.
Starting Page	3798
Ending Page	3811
Page Count	14
File Format	HTM / HTML PDF
ISSN	20507488
Volume Number	5
Issue Number	8
Journal	Journal of Materials Chemistry A
DOI	10.1039/c6ta09389b
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Planet Hydrate Porosity Morphogenesis Hexagonal crystal family Phase space
Content Type	Text
Resource Type	Article
Subject	Chemistry Renewable Energy, Sustainability and the Environment Materials Science

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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