Silicon Nitride Ceramic Welding Pin

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99% alumina ceramic customized spare parts factory Reputation depends on quality, quality comes from Hard! Alumina Ceramic: The main components of ruby and sapphire are alumina, which have different colors due to other impurities. Ruby contains red chrome oxide and red sapphire contains iron oxide and titanium dioxide.Alumina is the reason why metal aluminum is not easily corroded in the air. Pure metal aluminum reacts easily with oxygen in the air, creating a thin layer of aluminum oxide film...

$ 1 Piece/Pieces

precision machine alumina ceramic parts 99% al2o3 Reputation depends on quality, quality comes from Hard! Alumina Ceramic: Alumina ceramics are classified into two types: high purity type and normal type. The high-purity alumina ceramics have a Al2O3 content of 99.9% or more. Since the sintering temperature is as high as 1650-1990 ° C and the transmission wavelength is 1 to 6 μm, the molten glass is generally used to replace the platinum crucible; Sexual and alkali-resistant metal corrosion is...

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high temperature resistance alumina ceramic bushing sleeve Reputation depends on quality, quality comes from Hard! Alumina Ceramic: Alumina is a white solid, also known as bauxite in mining, ceramics and materials science.Alumina is only second to silicon oxide in the earth. It is one of the ceramic raw materials, aluminum and oxygen in the oxide.Strong bonding, which gives alumina the highest hardness in oxides, high chemical stability and excellent corrosion resistance for most acidic,...

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alumina ceramic insulation high strength tube bushing Reputation depends on quality, quality comes from Hard! Alumina Ceramic: Alumina ceramics are ceramic materials based on alumina (Al2O3) for thick film integrated circuits. Alumina ceramics have good conductivity, mechanical strength and high temperature resistance. It should be noted that ultrasonic cleaning is required. Alumina ceramics is a versatile ceramic. Because of its superior performance, it has been widely used in modern society,...

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precision 1mm ceramic rod with little tolerance customized Reputation depends on quality, quality comes from Hard! Alumina Ceramic: 95 alumina ceramics are mainly used as corrosion-resistant and wear-resistant parts; In addition, due to the incorporation of part of talc, the electrical properties and mechanical strength are improved, and it can be sealed with metals such as molybdenum, niobium and tantalum, and some are used as electric vacuum device devices. properties: High hardness, high...

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customized 95% 96% alumina machinery ceramic sheet Reputation depends on quality, quality comes from Hard! Alumina Ceramic: Ordinary alumina ceramics are classified into 99 porcelain, 95 porcelain, 90 porcelain, 85 porcelain, etc. according to the Al2O3 content. Sometimes the Al2O3 content is 80% or 75%, which is also classified as ordinary alumina ceramic series. Among them, 99 alumina ceramic materials are used to make high temperature crucibles, refractory furnace tubes and special...

$ 1 Piece/Pieces

3mm customized alumina ceramic rod high temperature Reputation depends on quality, quality comes from Hard! Alumina Ceramic: The alumina powder entering the plant is prepared into a powder material according to different product requirements and different molding processes. The particle size of the powder is less than 1 μm. If the purity of the alumina is 99.99%, the high-purity alumina ceramic product needs to be ultra-finely pulverized and the particle size distribution is uniform. When using...

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alumina ceramic shaft rod customized parts Reputation depends on quality, quality comes from Hard! Alumina Ceramic: The powder raw material formed by the hot pressing process does not need to be added with a binder. If semi-automatic or fully automatic dry pressing is used, there is a special process requirement for the powder. 1. Alumina ceramics are processed by laser processing and ultrasonic processing. 2. The shaped alumina ceramic is polished and polished with Al2O3 fine powder or diamond...

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strong 4mm alumina ceramic rod bar Reputation depends on quality, quality comes from Hard! Alumina Ceramic: Powder spray granulation is required for dry press molding, in which polyvinyl alcohol is introduced as a binder. A research institute in Shanghai developed a water-soluble paraffin as a binder for Al203 spray granulation, which has good fluidity under heating. The powder after spray granulation must have good fluidity, loose density, and a flow angle friction temperature of less than 30...

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96% al2o3 alumina ceramic shaft rod customized Reputation depends on quality, quality comes from Hard! Alumina Ceramic: Alumina ceramic dry press forming technology is limited to articles with a simple shape and an inner wall thickness of more than 1 mm and a length to diameter ratio of not more than 4:1. The forming method is uniaxial or bidirectional. The press is available in hydraulic or mechanical form and can be semi-automatic or fully automatic. The maximum pressure of the press is...

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95 96 92 99 alumina ceramic customized plungers Reputation depends on quality, quality comes from Hard! Alumina Ceramic: The pressure applied by the mechanical press varies depending on how much the powder is filled, which may cause a difference in dimensional shrinkage after sintering and affect product quality. Therefore, the uniform distribution of powder particles during dry pressing is very important for mold filling. The accuracy of the filling has a great influence on the dimensional...

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al2o3 alumina ceramic rods shafts bushings Reputation depends on quality, quality comes from Hard! Alumina Ceramic: Grouting is the earliest molding method for alumina ceramics. Due to the use of plaster molds, the cost is low and it is easy to form large-sized, complex-shaped parts. The key to grout molding is the preparation of alumina slurries. Usually, water is used as a flux medium, and then a debonding agent and a binder are added, fully ground, and then vented, and then poured into a...

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male female alumina ceramic bushing high strength customized Reputation depends on quality, quality comes from Hard! Alumina Ceramic: An organic additive is also added to the alumina ceramic slurry to form an electric double layer on the surface of the slurry particles so that the slurry is stably suspended without precipitation. In addition, it is necessary to add a binder such as vinyl alcohol, methyl cellulose, alginic acid amine, or a dispersing agent such as polyacrylamide or gum arabic,...

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alumina cramic locational dowel pin customized OEM Reputation depends on quality, quality comes from Hard! Alumina Ceramic: In order to enhance the alumina ceramics and significantly improve its mechanical strength, a new alumina ceramic strengthening process has been introduced abroad. The process is novel and simple, and the technical means adopted is to apply a layer of silicon compound film on the surface of the alumina ceramic by electron beam vacuum coating, sputtering vacuum coating or...

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al2o3 alumina ceramic pin piston plunger customized Reputation depends on quality, quality comes from Hard! Alumina Ceramic: Some alumina ceramic materials need to be finished after sintering. For example, articles that can be used as artificial bones require a high surface finish, such as a mirror surface, to increase lubricity. Due to the high hardness of the alumina ceramic material, it needs to be finished with a harder abrasive polishing brick material. Such as SIC, B4C or diamond drill....

$ 0.5 - 5 Piece/Pieces

precise alumina ceramic pin gauge piston OEM Reputation depends on quality, quality comes from Hard! Alumina Ceramic: Main technical indicators of wear-resistant ceramics: Alumina ceramic content: ≥92% Density: ≥3.6 g/cm3 Rockwell hardness: ≥80 HRA Compressive strength: ≥850 Mpa Fracture toughness KΙC: ≥4.8MPa·m1/2 Bending strength: ≥ 290MPa Thermal conductivity: 20W/m.K Thermal expansion coefficient: 7.2×10-6m/m.K As the most widely used material in advanced ceramics, alumina ceramics has the...

$ 3 Piece/Pieces

high strength temperature alumina ceramic spare screws pins Reputation depends on quality, quality comes from Hard! Alumina Ceramic: Alumina is a stable oxide of aluminum with the chemical formula Al2O3. It is also known as bauxite in mining, ceramics and materials science. Traits: white solids that are insoluble in water, odorless, odorless, extremely hard, easy to absorb moisture without deliquescence (burning non-hygroscopic). Amphoteric oxide, soluble in inorganic acids and alkaline...

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alumina ceramic nozzle spare parts products customized Reputation depends on quality, quality comes from Hard! Alumina Ceramic: Alumina ceramics now make the product quality level continuously improve: domestic microcrystalline alumina ceramic products from scratch, the scale of the industry from small to large, product quality from low to high, experienced a rapid development process; (3) industry scale It will expand rapidly: microcrystalline alumina ceramic products as the basic materials of...

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ceramic guide rail roller insulators industrial application Reputation depends on quality, quality comes from Hard! Alumina Ceramic: Alumina contains the elements aluminum and oxygen. If the bauxite raw material is chemically treated to remove oxides such as silicon, iron, titanium, etc., the product obtained is a high purity alumina raw material, and the Al2O3 content is generally above 99%. The mineral phase consists of 40% to 76% γ-Al2O3 and 24% to 60% α-Al2O3. γ-Al2O3 can be converted to...

$ 3 Piece/Pieces

machinery alumina ceramic support plate board Reputation depends on quality, quality comes from Hard! Alumina Ceramic: China is the world's largest alumina producer. In 2010, global alumina production was 565.35 million tons, and China's alumina output reached 28.95 million tons, up 20.14% year-on-year, accounting for 51.38% of the global total. In 2010, the apparent consumption of alumina in China reached 33.21 million tons, with an annual growth rate of 14.05%, a net import of 4.26 million...