Zobrazeno 1 - 10
of 22
pro vyhledávání: '"S. B. Hanna"'
Publikováno v:
International Journal of Ceramic Engineering & Science, Vol 5, Iss 5, Pp n/a-n/a (2023)
Abstract The preparation of highly efficient and low cost abrasive stones has gained considerable interest in the last few years from the industrial and academic research societies. Meanwhile, composition of such abrasive stones material has played a
Externí odkaz:
https://doaj.org/article/68e34600e0104aeb89aa0bd9799c6e90
Publikováno v:
Bulletin of the National Research Centre, Vol 42, Iss 1, Pp 1-16 (2018)
Abstract Background The idea of mixing different grades of diatomite ores with certain ratios to obtain blends with tailored minerals constitution that can help on improving their thermal insulation applicability is introduced in this study. In this
Externí odkaz:
https://doaj.org/article/deebfd7e47894295ba2606334da98785
Publikováno v:
Silicon.
This study examined the effects of adding iron to rice hulls samples (RHs) on the thermal degradation to prepare nano silica and iron oxide-silica mixtures. Iron is precipitated in different amounts within the RH fibers (as hydroxide) by dipping them
Publikováno v:
Journal of the Korean Ceramic Society. 57:296-304
Egyptian magnesite was used in the preparation of some SiC-magnesium oxychloride (MOC) paste composites for application as grinding stones. The bulk density, compressive strength, abrasion resistance and dissolution in water of the grinding stones we
Publikováno v:
Silicon. 12:761-772
In the present paper, direct foaming technique and sacrificial template method were used to prepare porous alumino-silicate bonded SiC ceramics from mixtures of silicon carbide, kaolin and calcined alumina. The direct foaming process depends on gener
Autor:
N. A. Ajiba, S. B. Hanna
Publikováno v:
Journal of the Australian Ceramic Society. 56:663-681
In this study, the direct foaming method was used to prepare groups of porous fireclay refractories containing 36–42 wt% Al2O3 from Aswan ball clay and Kalabsha kaolin (local raw material). A mixture of calcium oxide or carbide and aluminium powder
Publikováno v:
Bulletin of the National Research Centre, Vol 42, Iss 1, Pp 1-16 (2018)
Background The idea of mixing different grades of diatomite ores with certain ratios to obtain blends with tailored minerals constitution that can help on improving their thermal insulation applicability is introduced in this study. In this respect,
Publikováno v:
Materials Chemistry and Physics. 218:77-86
Silicon carbide (SiC) was mixed with alumina and kaolin to obtain porous alumino-silicate bonded SiC specimens. These mixtures contain 40 to 80 mass% SiC while the alumina contents of their bonding materials are 60–80 mass%. Porous SiC specimens we
Publikováno v:
Silicon. 10:1961-1972
Silicon carbide was mixed with alumina and kaolin to obtain porous alumino-silicate bonded SiC ceramics. Starch was added as sacrificial template. The mixtures were processed by hand-pressing and extrusion method. The effect of firing temperature (14
Publikováno v:
Journal of Applied Polymer Science. 123:2074-2083
The present work deals with the preparation of carbon fibers from polyacrylonitrile (PAN) fibers. The chemical composition and physical properties of the starting fibers were determined. The PAN fibers were stabilized in air at the temperatures (230,