Integrated self-sensing and self-healing cementitious composite with microencapsulation of nano-carbon black and slaked lime

Dong, W; Li, W; Shen, L; Zhang, S; Vessalas, K

Integrated self-sensing and self-healing cementitious composite with microencapsulation of nano-carbon black and slaked lime

Dong, W Li, W

Shen, L Zhang, S Vessalas, K

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Publisher:: ELSEVIER
Publication Type:: Journal Article
Citation:: Materials Letters, 2021, 282
Issue Date:: 2021-01-01

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Field	Value	Language
dc.contributor.author	Dong, W
dc.contributor.author	Li, W https://orcid.org/0000-0002-4651-1215
dc.contributor.author	Shen, L
dc.contributor.author	Zhang, S
dc.contributor.author	Vessalas, K https://orcid.org/0000-0003-3948-5212
dc.date.accessioned	2022-05-04T12:35:06Z
dc.date.available	2022-05-04T12:35:06Z
dc.date.issued	2021-01-01
dc.identifier.citation	Materials Letters, 2021, 282
dc.identifier.issn	0167-577X
dc.identifier.issn	1873-4979
dc.identifier.uri	http://hdl.handle.net/10453/157007
dc.description.abstract	In this paper, multifunctional cementitious composites with integrated self-sensing and self-healing properties are developed using microencapsulation of nano-carbon black (NCB) to enclose slaked lime (SL). The results show that the cracks healing efficiency is strongly improved with NCB enclosed SL. With SL, the self-sensing capacity of NCB-cementitious composite exhibits higher and more stable piezoresistivity before or after self-healing. The NCB enclosing SL particles not only achieve excellent piezoresistivity, but also preserve SL from initial hydration. Furthermore, the remained SL can be released for further reactions in the cracks. The results provide a promising integrated multifunctional self-sensing and self-healing cementitious composite for structural health monitoring application.
dc.language	English
dc.publisher	ELSEVIER
dc.relation	http://purl.org/au-research/grants/arc/DE150101751
dc.relation	http://purl.org/au-research/grants/arc/IH150100006
dc.relation.ispartof	Materials Letters
dc.relation.isbasedon	10.1016/j.matlet.2020.128834
dc.rights	info:eu-repo/semantics/closedAccess
dc.subject	02 Physical Sciences, 03 Chemical Sciences, 09 Engineering
dc.subject.classification	Materials
dc.title	Integrated self-sensing and self-healing cementitious composite with microencapsulation of nano-carbon black and slaked lime
dc.type	Journal Article
utslib.citation.volume	282
utslib.for	02 Physical Sciences
utslib.for	03 Chemical Sciences
utslib.for	09 Engineering
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Civil and Environmental Engineering
pubs.organisational-group	/University of Technology Sydney/Strength - CBI - Centre for Built Infrastructure
utslib.copyright.status	closed_access	*
dc.date.updated	2022-05-04T12:35:04Z
pubs.publication-status	Published
pubs.volume	282

Abstract:

In this paper, multifunctional cementitious composites with integrated self-sensing and self-healing properties are developed using microencapsulation of nano-carbon black (NCB) to enclose slaked lime (SL). The results show that the cracks healing efficiency is strongly improved with NCB enclosed SL. With SL, the self-sensing capacity of NCB-cementitious composite exhibits higher and more stable piezoresistivity before or after self-healing. The NCB enclosing SL particles not only achieve excellent piezoresistivity, but also preserve SL from initial hydration. Furthermore, the remained SL can be released for further reactions in the cracks. The results provide a promising integrated multifunctional self-sensing and self-healing cementitious composite for structural health monitoring application.

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http://hdl.handle.net/10453/157007