Adequate Correlation between the Physical and Mechanical Properties of Glass Foam

Journal La Multiapp

View Publication Info
 
 
Field Value
 
Title Adequate Correlation between the Physical and Mechanical Properties of Glass Foam
 
Creator Paunescu, Lucian
Axinte, Sorin Mircea
Dragoescu, Marius Florin
Cosmulescu, Felicia
 
Subject Glass Foam
Microwave Heating
Correlation
Physical Properties
Compressive Strength
 
Description The paper presents experimental results obtained in the manufacturing process of a glass foam by adequate correlation between its physical and thermal properties (density, porosity, thermal conductivity) and mechanical (compressive strength) by a slight controlled overheating of the foamed material. Using a powder mixture of glass waste (87-91.5 %), coal fly ash (3-9 %) and silicon carbide (4-5.5 %) microwave heated at 935-975 ºC by this unconventional technique, constituting the originality of the work, was obtained a glass-ceramic foam with moderate compressive strength (1.8-2.6 MPa) and very low thermal conductivity (0.058-0.070 W/m·K). The material overheating generated a homogeneous porous structure characterized by closed cells with relatively large dimensions (without the tendency to join neighboring cells) making it difficult to transfer heat across the material. The foamed product is suitable for the manufacture of thermal insulation blocks for the inner or outer walls of the building without excessive mechanical stress, being an advantageous alternative by comparison with known types of polymeric or fiberglass thermal insulation materials.
 
Publisher Newinera Publisher
 
Date 2021-09-27
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Peer-reviewed Article
 
Format application/pdf
 
Identifier http://www.newinera.com/index.php/JournalLaMultiapp/article/view/415
10.37899/journallamultiapp.v2i4.415
 
Source Journal La Multiapp; Vol. 2 No. 4 (2021): Journal La Multiapp; 14-26
2721-1290
2716-3865
 
Language eng
 
Relation http://www.newinera.com/index.php/JournalLaMultiapp/article/view/415/374
 
Rights Copyright (c) 2021 Journal La Multiapp
http://creativecommons.org/licenses/by-sa/4.0/
 

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