Zobrazeno 1 - 9
of 9
pro vyhledávání: '"L. G. Girgis"'
Publikováno v:
Ceramics International. 43:17104-17110
Nowadays, the structural and functional deficiencies of ceramic membranes prepared by conventional approaches are of particular research of interest. In the present work, ceramic membrane was fabricated by constructing hierarchically structured separ
Publikováno v:
Ceramics International. 41:1623-1629
Three batches composed of calcined alumina and Egyptian zircon sand were designed to produce refractory materials containing alumina–mullite–monoclinic zirconia composites as lining materials for the basin of electric glass furnaces. They were pr
Publikováno v:
Ceramics International. 40:5299-5305
Alumina-ceramic membranes were prepared by gelcasting process using CTAB as a foaming agent. To increase the fineness, the starting alumina powder was milled for 1 h in a ball mill before the casting process. Particle size distribution and surface ar
Autor:
B. S. Girgis, L. G. Girgis
Publikováno v:
Journal of Applied Chemistry. 19:292-297
The effect of thermal treatment on talc-magnesite in the presence of air in the temperature range 500–1000°, was studied by nitrogen adsorption and followed by t.g.a., d.t.a. and X-ray analysis. From the nitrogen adsorption isotherms, the specific
Autor:
L. G. Girgis, G. Gad
Publikováno v:
Journal of Applied Chemistry. 20:234-239
The samples studied were two types of magnesite containing calcium oxide (dolomite) as the principal impurity. Mixes were made with appropriate addition of serpentine and/or chromite rocks and an attempt was made to assess their suitability as magnes
Publikováno v:
Ceramics International. 27:865-873
Three mixes of calcium aluminate cements containing MA spinel were prepared using appropriate mixtures of Egyptian dolomite (MgO, 20.16% and CaO, 31.32%) with active alumina (99.50% A)1. The cement mixes were prepared at 1600°C using the sintering m
Publikováno v:
Scopus-Elsevier
The effect of phase equilibrium and microstructure of magnesite-chromite batches containing from 0 to 100% Egyptian chrome ore, with intervals of 10%, on their physical properties was studied. The phase equilibrium data were calculated using the phas
Publikováno v:
HBRC Journal, Vol 12, Iss 3, Pp 227-234 (2016)
In this study, Al 2 O 3 –H 2 O nanofluids were synthesized using sodium dodecylbenzenesulfonate (SDBS) dispersant agent by ultra-sonication method. Different amounts of SDBS i.e. 0.1, 0.2, 0.3, 0.6, 1 and 1.5 wt.% were tested to stabilize the prepa
Publikováno v:
Scopus-Elsevier
Three aluminous cement compositions containing different proportions of barium aluminate were prepared from mixtures of calcined alumina, Egyptian barite, and limestone, by sintering briquettes at ...
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