1. UNCONVENTIONAL TECHNIQUE USED TO MANUFACTURE POROUS HIGH-STRENGTH GLASS FOAM
- Author
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LUCIAN PAUNESCU, SORIN MIRCEA AXINTE, MARIUS FLORIN DRAGOESCU, BOGDAN VALENTIN PAUNESCU, and FELICIA COSMULESCU
- Subjects
high-strength glass foam, glass waste, kaolin clay, dolomite, microwave heating, low specific energy consumption ,Technology ,Engineering (General). Civil engineering (General) ,TA1-2040 - Abstract
The paper presents experimental results obtained in the manufacturing process of porous high-strength glass foam for thermal insulation in buildings made of glass waste and kaolin clay as raw materials and dolomite as a foaming agent. The paper’s originality is the use of the unconventional microwave heating technique. The best product manufactured by this technique was that sintered at 1050 ºC using 18 wt.% kaolin clay and 3.5 wt.% dolomite. The product characteristics were: the apparent density of 0.66 g·cm-3, the thermal conductivity of 0.155 W/m·K, the compressive strength of 5.3 MPa and a microstructural homogeneity with pore size between 0.20-0.50 mm.
- Published
- 2021