THERMAL INSULATING MATERIAL WITH HIGH MECHANICAL STRENGTH MADE FROM CLAY BRICK WASTE AND COAL ASH USING THE MICROWAVE ENERGY

The paper presents the results of experimental research for manufacture a high mechanical strength thermal insulating material using the microwave energy. Clay brick waste (75 - 83 mass %) and coal ash (15 - 23 mass %) as raw material and silicon carbide (2%) as a foaming agent have been used as a...

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Autores principales: LUCIAN PAUNESCU, MARIUS FLORIN DRAGOESCU, SORIN MIRCEA AXINTE
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Publicado: Alma Mater Publishing House "Vasile Alecsandri" University of Bacau 2020
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Acceso en línea:https://doaj.org/article/e6bc387337314fc0a5a6241d0cec7c13
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spelling oai:doaj.org-article:e6bc387337314fc0a5a6241d0cec7c132021-12-02T18:36:10ZTHERMAL INSULATING MATERIAL WITH HIGH MECHANICAL STRENGTH MADE FROM CLAY BRICK WASTE AND COAL ASH USING THE MICROWAVE ENERGY10.29081/jesr.v26i2.1732068-75592344-4932https://doaj.org/article/e6bc387337314fc0a5a6241d0cec7c132020-06-01T00:00:00Zhttp://www.jesr.ub.ro/1/article/view/173https://doaj.org/toc/2068-7559https://doaj.org/toc/2344-4932 The paper presents the results of experimental research for manufacture a high mechanical strength thermal insulating material using the microwave energy. Clay brick waste (75 - 83 mass %) and coal ash (15 - 23 mass %) as raw material and silicon carbide (2%) as a foaming agent have been used as a powder mixture. The porous product obtained by a sintering/ foaming process at 1115 - 1145 ºC had relatively low density and thermal conductivity (0.50 - 0.68 g/cm3 and 0.078 - 0.095 W/mK, respectively) and high compressive strength (up to 7.5 MPa). This remarkable combination of some physical and mechanical characteristics of the insulating material allows its use in applications involving mechanical stress resistance. LUCIAN PAUNESCUMARIUS FLORIN DRAGOESCU SORIN MIRCEA AXINTE Alma Mater Publishing House "Vasile Alecsandri" University of Bacauarticlealuminosilicate waste, clay brick waste, coal ash, glass-ceramic foam, microwave, high mechanical strengthTechnologyTEngineering (General). Civil engineering (General)TA1-2040ENJournal of Engineering Studies and Research, Vol 26, Iss 2 (2020)
institution DOAJ
collection DOAJ
language EN
topic aluminosilicate waste, clay brick waste, coal ash, glass-ceramic foam, microwave, high mechanical strength
Technology
T
Engineering (General). Civil engineering (General)
TA1-2040
spellingShingle aluminosilicate waste, clay brick waste, coal ash, glass-ceramic foam, microwave, high mechanical strength
Technology
T
Engineering (General). Civil engineering (General)
TA1-2040
LUCIAN PAUNESCU
MARIUS FLORIN DRAGOESCU
SORIN MIRCEA AXINTE
THERMAL INSULATING MATERIAL WITH HIGH MECHANICAL STRENGTH MADE FROM CLAY BRICK WASTE AND COAL ASH USING THE MICROWAVE ENERGY
description The paper presents the results of experimental research for manufacture a high mechanical strength thermal insulating material using the microwave energy. Clay brick waste (75 - 83 mass %) and coal ash (15 - 23 mass %) as raw material and silicon carbide (2%) as a foaming agent have been used as a powder mixture. The porous product obtained by a sintering/ foaming process at 1115 - 1145 ºC had relatively low density and thermal conductivity (0.50 - 0.68 g/cm3 and 0.078 - 0.095 W/mK, respectively) and high compressive strength (up to 7.5 MPa). This remarkable combination of some physical and mechanical characteristics of the insulating material allows its use in applications involving mechanical stress resistance.
format article
author LUCIAN PAUNESCU
MARIUS FLORIN DRAGOESCU
SORIN MIRCEA AXINTE
author_facet LUCIAN PAUNESCU
MARIUS FLORIN DRAGOESCU
SORIN MIRCEA AXINTE
author_sort LUCIAN PAUNESCU
title THERMAL INSULATING MATERIAL WITH HIGH MECHANICAL STRENGTH MADE FROM CLAY BRICK WASTE AND COAL ASH USING THE MICROWAVE ENERGY
title_short THERMAL INSULATING MATERIAL WITH HIGH MECHANICAL STRENGTH MADE FROM CLAY BRICK WASTE AND COAL ASH USING THE MICROWAVE ENERGY
title_full THERMAL INSULATING MATERIAL WITH HIGH MECHANICAL STRENGTH MADE FROM CLAY BRICK WASTE AND COAL ASH USING THE MICROWAVE ENERGY
title_fullStr THERMAL INSULATING MATERIAL WITH HIGH MECHANICAL STRENGTH MADE FROM CLAY BRICK WASTE AND COAL ASH USING THE MICROWAVE ENERGY
title_full_unstemmed THERMAL INSULATING MATERIAL WITH HIGH MECHANICAL STRENGTH MADE FROM CLAY BRICK WASTE AND COAL ASH USING THE MICROWAVE ENERGY
title_sort thermal insulating material with high mechanical strength made from clay brick waste and coal ash using the microwave energy
publisher Alma Mater Publishing House "Vasile Alecsandri" University of Bacau
publishDate 2020
url https://doaj.org/article/e6bc387337314fc0a5a6241d0cec7c13
work_keys_str_mv AT lucianpaunescu thermalinsulatingmaterialwithhighmechanicalstrengthmadefromclaybrickwasteandcoalashusingthemicrowaveenergy
AT mariusflorindragoescu thermalinsulatingmaterialwithhighmechanicalstrengthmadefromclaybrickwasteandcoalashusingthemicrowaveenergy
AT sorinmirceaaxinte thermalinsulatingmaterialwithhighmechanicalstrengthmadefromclaybrickwasteandcoalashusingthemicrowaveenergy
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