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Ceramic MaterialOther Ceramic MaterialAluminum Nitride CeramicCeramic Plate Part
TIANJIN YINGHUA NEW MATERIAL TECH CO., LTD.
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Product Description Aluminum Nitride Ceramics are ceramics with aluminum nitride (AIN) as the main crystal phase.AlN crystals use [AIN4] tetrahedrons as the structural unit covalent bond compounds, with a wurtzite structure, belonging to the hexagonal system. Chemical composition: AI 65.81%, N 34.19%, specific gravity 3.261g/cm3, white or off-white, single crystal is colorless and transparent, the sublimation decomposition temperature under normal pressure is 2450°C. A high-temperature heat-resistant material. Thermal expansion coefficient (4.0-6.0)X10-6/°C. Polycrystalline AIN thermal conductivity of 260W / (m.k), 5-8 times higher than aluminum oxide, so the heat and shock resistance, can withstand extremely hot 2200 °C. In addition, aluminum nitride has the property of being free from attack by molten aluminum and other molten metals and g-allium arsenide, and particularly has excellent corrosion resistance to molten aluminum liquid.Application: 1. Application of optical communication devices2. Special refrigeration unit3.LED industry4. Automotive electronic module5. High efficiency power module6. High frequency microwave application7. Power electronic componentsMaterial's mechanical properties and thermal conductivity dielectric properties.ItemUnitReference ValueTest methodThermal conductivity W/mK>170Transient plane source methodSurface roughnessμm<0.6Stylus surface roughness testerWarpage /<2.5‰Glass gaugeApparent density g/cm3≥3.26Drainage methodBending strength MPa>300Three-point bending resistance methodVolume resistanceΩcm 1.5x1013 (TYP)Volume resistance gaugeDielectric constant @1MHz 8.9 (TYP)Impedance methodDielectric loss @1MHz4.6×10-4(TYP)Impedance methodBreak down voltage Kv/mm36.85(TYP)DC power methodCoefficient of linear expansion 1×10-6/oC 4.75(TYP)Thermomechanical analysis The products series include kinds of new materials such as structural products and functional ceramic products, such as Alumina, Aluminum Nitride, Zirconia, Silicon Nitride and Boron Nitride ceramics are the main products in the list. Zirconia derivative products such as high purity zirconia, Yttria stabilized zirconia(YSZ or Y-TZP), and Magnesia stabilized Zirconia(MgO-PSZ), and Ceria stabilized Zirconia(CeO-PSZ), structural zirconia ceramics, etc. For the zirconia products have many excellent properties such as high hardness, high strength and toughness, super low chemical and mechanical corrosive, insulated in common temperature, and magnetic proofing, so they are extensively applied in optic, electronic, mechanical and chemical industry, etc. And Alumina ceramics is more widely applied in industrial.Tianjin Yinghua Material Tech Co.,Ltd is located in Tianjin City, China, which is the economic center of north China and with a convenient transportation and excellent business service.The company insists the spirit of Products Innovating, Technology Service and Customer Value, and wish to develop with the customers and suppliers. All customers and friends are welcome!
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