t 4 OBJECTIVE The major objective of this work is to study the difference in properties of spinel containing high alumina refractory castables, prepared by two different methods, namely in-situ spinelisation and direct spinel addition. Also, the effect of two different
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Fused Silica Wafers JGS1 Fused Silica JGS2 Fused Silica JGS3 Fused Silica Optical Fused Silica Windows Fused Silica Characteristics Piezoelectric Wafers Lithium Niobate (LiNbO3) Lithium Tantalate (LiAtO3) Zinc Oxide Substrates Silicon Carbide (SiC)
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A slurry containing fibers mixed with water is frame-cast to form soft, porous blocks to which a collodial silica binder solution is added. When it is sintered, a rigid block is produced that is cut into quarters and then machined to the precise dimensions required for individual tiles.
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Silica refractories are refractories containing more than 93% silicon oxide (SiO 2). They are acidic, have high resistance to thermal shock, flux and slag resistance, and high spalling resistance. Silica bricks are often used in the iron and steel industry as furnace materials.
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Aluminum Nitride, AIN Ceramic Properties Aluminum Nitride, formula AlN, is a newer material in the technical ceramics family. While its discovery occurred over 100 years ago, it has been developed into a commercially viable product with controlled and reproducible
Almina Alumina is a typical, and generally the most used, material in ceramics. It has high hardness and excellent heat, abrasion, and corrosion resistance. We deal extensively with both high purity alumina (99.99%) as well as general-purpose alumina.
Silcon Carbide 45 0.72 Silcon Metal 40 0.64 Silica 15 0.24 Silica Flour 300 4.81 Silica Gel 140 2.24 Silica Microballoons 18.4 0.29 Silica Sand 46 0.74 Silica Smoke 55 0.88 Silica, Fumed (Degussa Aerosil R972) 52 0.83 Silie Powder 31.5 0.5 Silies 48 0.77
Refractory Material Testing - Spectro has one of the best laboratory facilities for testing of Refractories and insulation materials. Refractory materials are basically inorganic non-metallic substances Properties and Testing of Refractory Materials Refractory materials
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Learn about product material, Alumina (Aluminum Oxide, Al2O3). is the global leading manufacturer of superior precision Fine Ceramics (Advanced Ceramics). Alumina is the most well-known and most commonly used fine ceramic material. It has the
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silica in alkali medium in order to obtain nanostructure/silicon carbide. It was shown that SiC synthesis is resulted from the silicon oxycarbide decomposition that was formed, in its turn, as the result of the wood pyrolysis and the secondary processes of (p. 28.
Alkali such as sodium (Na) and potassium (K) can chemically react with silica found in some refractory materials. Hydrocarbons, in conjunction with a reducing atmosphere (which refers to the amount of air required for proper fuel coustion and is usually added to the coustion process in another loion), can react with iron oxides and form large carbon deposits in the refractory material.
New types of porous carbon material, such as carbide, carbon molecular sieves, and activated carbon, have been produced via template synthesis and physical or chemical activation. Optimizing the pore structure improves diffusion and adsorption capacity and thus increases the maximum capture capacity of adsorbents per unit weight [ 5 – 8 ].
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Boron carbide is a hard boron-carbon ceramic material used in tank armor, bulletproof vests, engine sabotage powders, neutron absorber, cutting tools and dies and in brake linings of vehicles. It acts as an antioxidant additives in magnesia-carbon bricks. It is used
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