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2022-10-14
High Temperature and Corrosion Resistance Alumina ceramic is applied as refractory materials for high temperature furnace owing to its good performance of high temperature resistance, such as lining(wall or tubes) of ironmaking blast furnaces. It shows good performance of corrosion resistance, therefore Al2O3 ceramic can be applied as slide gate for molten steel pouring. It is also used for manufa...
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2022-11-29
Zirconia ceramic is a non-metallic inorganic material sintered at high temperature. It is widely used in various industries for its excellent properties of high temperature resistance, corrosion resistance, wear resistance and thermal shock resistance. In this article, the major factors that can affect zirconia ceramic properties are briefly introduced. 1. Purity of zirconia powder The raw ma...
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2022-09-26
Aluminum oxide ceramic is a kind of ceramic material whose main crystalline phase is α-Al2O3, which is the most stable and also the only Al2O3 crystalline form that exists in the nature. For the features of high melting point, excellent hardness, outstanding corrosion resistance and dielectric property, α-Al2O3 ceramic is widely used as material for industrial parts, and the manufactured pr...
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2022-09-01
Alumina ceramics are sintered under the temperature of 1450~1800℃, which contain aluminum oxide as the main raw material and 6~30% of sintering additives, such as clay, MgO, CaO, TiO. The purer alumina ceramics are, the better performance can be obtained, however the manufacturing of alumina ceramics also becomes more difficult with aluminum oxide proportion increases. Pure alumina ceramic can be ...
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2022-08-03
Alumina ceramic crucible is a vessel or melting pot, which is made of refractory materials. It is mainly used for evaporation, concentration or crystallization process of solutions and firing process of solids. Table of Contents: Alumina Ceramic Crucible Instructions Application methods of alumina ceramic crucibles Crucible and Lid Heating with Crucible Support Apparatus Cooling Handling wit...
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2022-07-27
Zirconia ceramic is a kind of new ceramic material with white color, when contain some impurities it would be yellow or gray. It is widely used in various industries for its features of broken resistance, wear resistance, high hardness, high-temperature resistance, superior corrosion resistance, no rust, insulation and oil-free self-lubrication. In this article, manufacturing procedures and machin...
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2022-07-01
Alumina ceramic is a kind of ceramic product with aluminum oxide as the main component. In this article, influence of forming method and processing details on hardness and abrasion of alumina ceramics are briefly introduced. * Forming Methods of Alumina Ceramic 1.Dry Pressing: This type of forming method is only suitable for product with simple-structure, whose inner thickness is larger than 1mm a...
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2019-11-01
With developments of electronics, heat radiation of circuit boards and components are also showing an increasing level, which result in more and more studies on heat radiation materials for high efficiency. Alumina is very suitable for fabricating heat radiation materials because of its high thermal conductivity and low electrical conductivity. In particular, if alumina rods are lined up in the di...
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2019-10-29
Minerals containing Alumina represent some 15% of the earth's crust. It is therefore an abundant material and virtually inexhaustible, unlike raw materials for many alloys developed for special applications. The combination of high thermal conductivity, low thermal expansion and high compressive strength leads to good thermal shock resistance, so alumina is suited to furnace use such as crucibles,...
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