Zobrazeno 1 - 10
of 42
pro vyhledávání: '"Felicia Cosmulescu"'
Publikováno v:
Journal of Engineering Studies and Research, Vol 28, Iss 3 (2022)
The work presents the results of the experimental manufacturing process on a 10 kW-microwave oven of foam glass gravel (FGG) from glass waste (98 wt. %) and silicon carbide (2 wt. %), the sintering/foaming temperature being varied between 910-930 ºC
Externí odkaz:
https://doaj.org/article/b4c3291ee2fa4a9a8c0222c7de0ad262
Publikováno v:
Nonconventional Technologies Review, Vol 26, Iss 2 (2022)
An expanding agent (aluminum nitride) from the carbide and nitride group, less used in the cellular glass manufacturing process, was tested together with manganese dioxide in the experiment presented in the paper. The powder mixture of recycled resid
Externí odkaz:
https://doaj.org/article/3874c83e5d1742b5bed069c2288a84a7
Publikováno v:
Nonconventional Technologies Review, Vol 26, Iss 2 (2022)
A porous high-strength material having load-bearing thermal insulation properties suitable as light filling material for building foundation, drainage, road construction, underground insulation of heat pipes, etc. was experimentally made by sintering
Externí odkaz:
https://doaj.org/article/86d5b204c91a4107bf518f26a8afa605
Publikováno v:
Nonconventional Technologies Review, Vol 26, Iss 2 (2022)
The paper exposes testing results corresponding to the process of manufacture cellular glass from consumed drink glass packaging, a vegetable expanding agent (beech leaves) used for the world premiere, and borax as a flux agent. The process of sinter
Externí odkaz:
https://doaj.org/article/7cb958445f4d4c3f826e46a133938a3e
Publikováno v:
Nonconventional Technologies Review, Vol 26, Iss 1 (2022)
The paper presents a recent application of the fast nonconventional microwave heating a fruit (honeydew melon) for removing the high moisture content (above 90 %) in order to preserving its qualities. The fruit was prepared as a paste in which a foam
Externí odkaz:
https://doaj.org/article/ffe587df59a64b708d2379a9eb83aaf4
Publikováno v:
Nonconventional Technologies Review, Vol 26, Iss 1 (2022)
A high-strength porous aggregate for construction applications that require compression resistance and porosity has been experimentally made by direct microwave warming of residues from building demolition (clay brick and clear flat glass). Borax (4
Externí odkaz:
https://doaj.org/article/d6a74a72e9f247188b9fee625b562e17
Autor:
LUCIAN PAUNESCU, SORIN MIRCEA AXINTE, MARIUS FLORIN DRAGOESCU, BOGDAN VALENTIN PAUNESCU, FELICIA COSMULESCU
Publikováno v:
Journal of Engineering Studies and Research, Vol 27, Iss 4 (2021)
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 o
Externí odkaz:
https://doaj.org/article/596c538e474840f3a0c265aea0222c3e
Autor:
LUCIAN PAUNESCU, SORIN MIRCEA AXINTE, MARIUS FLORIN DRAGOESCU, BOGDAN VALENTIN PAUNESCU, FELICIA COSMULESCU
Publikováno v:
Journal of Engineering Studies and Research, Vol 27, Iss 1 (2021)
The paper presents experimental results obtained in the manufacturing process of high-strength glass foam by combined use of two solid foaming agents (calcium carbonate and graphite) in variable weight ratios. The originality of the work is applying
Externí odkaz:
https://doaj.org/article/daa56a805e7947d59d587fc62a793912
Publikováno v:
Nonconventional Technologies Review, Vol 25, Iss 2 (2021)
The paper presents results of the manufacturing process of a porous high-strength glass-ceramic foam using colorless glass waste (between 35.5-50.0%) and coal fly ash (between 24.6-35.5%) as raw materials, sodium borate (between 25.0-28.0%) as a flux
Externí odkaz:
https://doaj.org/article/a8a116cfde8e498cb8942878baa42294
Autor:
Lucian Paunescu, Sorin Mircea Axinte, Marius Florin Dragoescu, Felicia Cosmulescu, Bogdan Valentin Paunescu
Publikováno v:
Nonconventional Technologies Review, Vol 25, Iss 2 (2021)
A glass foam with typical characteristics for a foam glass gravel usable as a thermal insulating material in difficult climatic conditions and with mechanical stress was made by sintering at 834 ºC a powder mixture composed of colorless glass waste
Externí odkaz:
https://doaj.org/article/a06be14ee4d6487ab85908f36de5397c