Effect of Carbon Nanotubes in Alkali Activated Slag Mortars on Basic Fracture Parameters Obtained via Double-K Fracture Model

Kód výsledku v IS VaVaI

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Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Effect of Carbon Nanotubes in Alkali Activated Slag Mortars on Basic Fracture Parameters Obtained via Double-K Fracture Model

Popis výsledku v původním jazyce

Currently solved project of team of authors of this paper is devoted to the investigation of effects of carbon nanotubes as nano-sized reinforcement on the properties of alkali activated aluminosilicate mortars and the main motivation is to reduce cracking tendency and improve tensile properties of these materials. The three point bending tests were performed on seven sets of mortar beam specimens to obtain the fracture parameters that were determined via double-K fracture model. This model allows the quantification of two different levels of the crack propagation: the initiation, which corresponds to the beginning of the stable crack growth and the level of the unstable crack propagation. The initiation of cracks during the fracture tests was also monitored by the acoustic emission method. The material of specimens was different in amount of carbon nanotubes. First alkali activated slag material was reference without nano-sized reinforcement; the other composites contain carbon nanotubes in amount 0.05, 0.10, 0.15, 0.20, 0.50 and 1.0% of weight of slag, respectively.

Název v anglickém jazyce

Effect of Carbon Nanotubes in Alkali Activated Slag Mortars on Basic Fracture Parameters Obtained via Double-K Fracture Model

Popis výsledku anglicky

Currently solved project of team of authors of this paper is devoted to the investigation of effects of carbon nanotubes as nano-sized reinforcement on the properties of alkali activated aluminosilicate mortars and the main motivation is to reduce cracking tendency and improve tensile properties of these materials. The three point bending tests were performed on seven sets of mortar beam specimens to obtain the fracture parameters that were determined via double-K fracture model. This model allows the quantification of two different levels of the crack propagation: the initiation, which corresponds to the beginning of the stable crack growth and the level of the unstable crack propagation. The initiation of cracks during the fracture tests was also monitored by the acoustic emission method. The material of specimens was different in amount of carbon nanotubes. First alkali activated slag material was reference without nano-sized reinforcement; the other composites contain carbon nanotubes in amount 0.05, 0.10, 0.15, 0.20, 0.50 and 1.0% of weight of slag, respectively.

Druh

D - Stať ve sborníku

CEP obor

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OECD FORD obor

20101 - Civil engineering

Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2015

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

Brittle Matrix Composites 11

ISBN

978-83-89687-96-8

ISSN

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e-ISSN

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Počet stran výsledku

10

Strana od-do

279-288

Název nakladatele

ZTUREK Research-Scientific Institute

Místo vydání

Warsaw

Místo konání akce

Warsaw

Datum konání akce

28. 9. 2015

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

000383862600029