Electrically conductive composite materials with incorporated waste and secondary raw materials

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26110%2F23%3APU148429" target="_blank" >RIV/00216305:26110/23:PU148429 - isvavai.cz</a>

Result on the web

<a href="https://www.nature.com/articles/s41598-023-36287-x" target="_blank" >https://www.nature.com/articles/s41598-023-36287-x</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1038/s41598-023-36287-x" target="_blank" >10.1038/s41598-023-36287-x</a>

Result language

angličtina

Original language name

Electrically conductive composite materials with incorporated waste and secondary raw materials

Original language description

Silicate composites have very low conductivity in general. It is possible to achieve an electrical resistivity decrease by adding an electro-conductive filler. The conductive mixture consists of cementitious binder, various types of silica sand, and graphite-based conductive fillers. One of the research focusses is partial substitution of ordinary raw materials by alternative components (waste materials by-products and secondary raw materials) and its influence on composite properties. The alternative components studied were fly ash as a partial binder replacement, waste graphite from two different sources and steel shavings as a substitute for conductive filler. Resistivity of cured conductive silicate-based specimens was analysed in relation to changes in physico-mechanical properties in context of microstructural changes in the hardened cementitious matrix (by optical and scanning electron microscopy with energy disperse analysis). Partial substitution of cement by fly ash was found to reduce the electrical resistivity of the composite. Some of the waste graphite fillers significantly reduce the resistivity of the cement composite and increase the compressive strength. It was proven, that is possible to replace primary conductive fillers by secondary raw materials.

Czech name

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Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

—

OECD FORD branch

20505 - Composites (including laminates, reinforced plastics, cermets, combined natural and synthetic fibre fabrics; filled composites)

Project

<a href="/en/project/GA21-29680S" target="_blank" >GA21-29680S: Influence of interaction of cement composites with superabsorbent polymers on increase of incorporation of secondary raw materials</a><br>

Continuities

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

Publication year

2023

Confidentiality

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

Name of the periodical

Scientific Reports

ISSN

2045-2322

e-ISSN

—

Volume of the periodical

13

Issue of the periodical within the volume

9023

Country of publishing house

GB - UNITED KINGDOM

Number of pages

23

Pages from-to

„“-„“

UT code for WoS article

001000705300018

EID of the result in the Scopus database

2-s2.0-85161062904