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2018-06-04
According the content, alumina ceramics are classified by #75, #85, #92, #95 and #99 ceramic, also with some more detailed categories. At present, #95 ceramic has the largest production, and it is most widely used in the market. With high hardness and abrasive resistance, and small dielectric loss, its performance can fulfill most of the industry technical requirements, which is much better than #...
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2019-03-20
Differential scanning calculation (DSC) is a technique that under temperature control program, used to determine the relationship between the heat flow rate or power difference of samples and reference materials, and temperature or time under program control temperature. DSC has been widely used in the fields of material processing, chemistry, medicine, biochemistry, petroleum, aerospace, environm...
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2019-03-25
25.44 26.12 26.68 27.18 27.63 28.07 28.52 29.00 29.53 30.11 30.75 31.43 32.17 500 24.88 25.57 26.14 26.62 27.06 27.48 27.91 28.37 28.87 29.43 30.03 30.70 450 24.36 25.06 25.63 26.11 26.54 26.95 27.36 27.79 28.26 28.79 29.37 400 23.85 24.58 25.16 25.65 26.07 26.46 26.85 27.26 27.71 28.21 350 23.37 24.12 24.73 25.22 25.64 26.03 26.40 26.79 27.21 300 22.89 23.68 24.31 24.82 25.25 25.63 25.99 26.37 25...
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2019-04-16
1. Introduction to Thermal Analysis Thermal analysis (TA) is a technique that records the functional relationship between physical properties and temperature of sample under the programmed temperature conditions. The most commonly used TA methods are differential thermal analysis (DTA), differential scanning calorimetry (DSC) and thermogravimetry (TG). The most commonly used thermal analysis cruci...
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2019-08-11
Recently, as advanced ceramic industry has developed rapidly, more and more kinds of ceramic products are being used in various industries, and many new ceramic materials have been developed, especially zirconia ceramics and alumina ceramics. Among them, zirconia ceramic crucible, alumina ceramic crucible, zirconia ceramic pans and alumina ceramic pans are widely used for melting experiments of me...
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2019-08-11
Alumina ceramic crucible is widely used in experimental analysis for its excellent performance, and satisfactory lifespan. However, to ensure the performance and lifespan of a crucible, it is very important to hand, operate and maintain it correctly, so i/n the current article, a care guideline of alumina ceramic crucible will be introduced for users. 1.Checking crucible for crack or d...
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2019-09-03
According to the report “Ceramic Tube Market by Material Type (Alumina and Zirconia), Application (Electronics and Electrical and Medical and Healthcare), and Region (North America, South America, Asia-Pacific, Middle East and Africa, and Europe) – Global Forecast to 2022″, it can be estimated that the ceramic tube market is expected to grow from USD 691.1 million in 2017 to USD 993.3 million by 2...
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2019-09-05
Ceramic tube is a new type of material which is formed by sintering zirconia and alumina ceramic materials. Ceramic tube is formed by isostatic pressing, hot pressing, dry pressing and other processes, and then waxed or degreased and then sintered at a high temperature. Ceramic tubes are used in aerospace, medical equipment, military machinery and other fields. Ceramic Tube Material Classification...
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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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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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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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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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2022-09-01
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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2022-09-26
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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2022-10-14
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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2022-10-25
After sintering and cooling, the whole manufacturing process of some alumina ceramic products does not finish. In order to fulfil further requirements of application, these products need to be subjected to machining processes, such as specification adjustment and polishing, etc. Polishing details of alumina ceramic that need to be noticed are listed below. 1.Applying laser cutting proces...
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2023-01-09
Alumina tubes｜Why They Can Benefit Your Project? Alumina tubes are made from aluminium oxide powder which is mixed with organic binders and plasticizers. The mixture is pressed into a tube shape and fired at very high temperatures. After cooling, the tubes are ready to use. They are very resistant to heat. The tube walls are thin enough to allow good thermal conduction. They have many advantages o...
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2023-01-09
Multi-Bore Alumina Ceramic Tubes What Are They? Multi-Bore Alumina Ceramic Tubes, also known as Multi-Bore Tubing, are made up of alumina powder mixed with binder and pressed into cylindrical shape. The material is sintered at very high temperatures to form a dense monolithic structure. The bores are drilled through the tube center using a special drill bit. Multi-bore alumina tube is a type of ce...
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2022-12-14
Alumina Ceramic Tube｜How Do I Clean It? Alumina tubes are used in many industries, including the chemical industry, where they are used to purify water. The process involves heating the alumina to high temperatures, which causes the aluminium oxide inside to react with the impurities in the water. This reaction produces pure water. The most common way to clean alumina tubing i...
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2023-01-03
Alumina Ceramic Crucible It is one of the most common laboratory crucibles. Crucibles are containers that can withstand very high temperatures and are used to melt metals, glass, and pigments. They are usually made of materials with a higher melting point than those being melted. The crucible material must also have good strength even if it's extremely hot. Alumina(aluminum oxide) is an ideal mate...
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