Results 171 to 180 of about 19,814 (230)

Multi-Scale Investigation of Fly Ash Aggregates (FAAs) in Concrete: From Macroscopic Physical-Mechanical Properties to Microscopic Structure of Hydration Products. [PDF]

Materials (Basel)
Chen XF, Zhang XC, Peng Y.
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Development of one part sustainable alkali activated binder system using slag, flyash and micro calcined kaolin. [PDF]

Sci Rep
Girish MG, Prashant S, Jagadisha HM, Prabha S.   +3 more
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Synthetic mullite precursors

, 2003
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Mullite/molybdenum composites

Composite Interfaces, 1998
The possibility of fabricating continuous mullite/Mo FGMs with density closed to theoretical, by pressure slip casting of proof ethyl alcohol based slurries has been shown. Dense (> 98 th%) homogeneous mullite/Mo (32 vol%) composites with two Mo average grain sizes (1.5 and 3 μm) have been obtained at 1650°C in vacuum and under reducing conditions ...
J.S. Moya, J.F. Bartolomé, M. Díaz, J. Requena   +3 more
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Mullite precursor phases

Journal of the European Ceramic Society, 1993
Abstract Admixtures of tetraethoxysilane (TEOS) and aluminium sec.-butylate (AlOBu) with stoichiometric 3Al2O3.2SiO2 mullite composition were used for the syntheses. Depending on the amount of H2O, the velocity of the hydrolysis process and the pH of the solvent, three different types of temperature-induced mullite formation processes are observed ...
Schneider, H., Saruhan, B., Voll, D., Merwin, L., Sebald, A.   +4 more
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Mullite and mullite-type crystal structures

International Journal of Materials Research, 2012
Abstract Synthetic mullites (Al4+2 x Si2 –2 x O10 – x ) belong to one of the most important groups of ceramic materials.
Reinhard X. Fischer, Andrea Gaede-Köhler, Johannes Birkenstock, Hartmut Schneider   +3 more
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Mullite

2022
Abstract Mullite is an important material since it is a major component of all alumino-silicate ceramics. It has a stability field intermediate in composition between sillimanite Al2SiO5 and alumina Al2O3. Diffuse scattering data display a rich diversity of detail.
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Porous mullite templated from hard mullite beads

Journal of the European Ceramic Society, 2011
Abstract Porous mullite bodies were developed by spark plasma sintering (SPS) amorphous mullite beads of about ∼30 μm in diameter at two temperatures, 950 and 1300 °C. Materials showed a close random stacking of solid spheres that retained their original packing but slightly flattened at the contacts in some cases.
E. Garcia, M.I. Osendi, P. Miranzo
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Nanocomposite Mullite/Mullite Powders by Spray Pyrolysis

Journal of Nanoparticle Research, 1999
A mullite/mullite nanocomposite powder has been synthesized, composed of nanometer-size 3Al2O3 2SiO2 (‘3 : 2’) mullite precipitates within a matrix of the high alumina 2Al 2O3 SiO2 (‘2 : 1’) mullite. Historically, the transition from the metastable high-alumina phase to the thermodynamically stable ‘3 : 2’ phase of mullite has been thought to be a ...
Daniel M. Dabbs, Nan Yao, Ilhan A. Aksay
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Coprecipitation-derived mullite and mullite-zirconia composites

Journal of Materials Science, 1991
Precursor powders of mullite-zirconia (0–40 wt% ZrO2) were prepared by a hydroxide coprecipitation method and their behaviour during calcination between room temperature and 1500 °C was studied using thermal analysis, X-ray diffraction and electron microscopy.
S. Rajendran, H. J. Rossell
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