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[China]
Trade Verify
Address: Chuanbu Village,Ceramics Industrial Park,Dingshu Town,Yixingcity,China
Contact name:Selena
yixing haiyu refractory co.,ltd |
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Aluminum oxide ceramics are high-purity aluminum oxide products with excellent physical properties and chemical stability. The following are the performance characteristics and applications of alumina ceramics:
1. High hardness: Aluminum oxide ceramics have a very high hardness, up to level 9, which is more than 8 times that of steel. Therefore, they can be used to manufacture wear-resistant and high-temperature resistant components.
2. High melting point: Aluminum oxide ceramics have a high melting point of about 2050 ℃, making them suitable for use in high-temperature environments. For example, they can be used to manufacture high-temperature furnaces, heat exchangers, etc.
3. Good insulation performance: Aluminum oxide ceramics have excellent insulation performance, can withstand high voltage and high frequency electric fields, and can be used to manufacture high-voltage capacitors, dielectric materials, etc.
4. Good chemical stability: Aluminum oxide ceramics have good chemical stability and can resist corrosion from acids, alkalis, solvents, etc. They are widely used in chemical, medical, biological and other fields.
5. Easy to process and shape: Aluminum oxide ceramics can be formed through processes such as pressing, grouting, and spraying to produce various shaped components. For example, they can be used to manufacture ceramic cutting tools, ceramic seals, etc.
Aluminum oxide ceramics have a wide range of applications in industries, scientific research, military and other fields. For example, in automobile manufacturing, alumina ceramics can be used to manufacture wear-resistant components such as brake pads and clutch plates; In the aerospace field, alumina ceramics can be used to manufacture high-temperature engine nozzles, turbine blades, etc; In the medical field, alumina ceramics can be used to manufacture dentures, bone implants, etc; In the chemical industry, alumina ceramics can be used to manufacture reaction vessels, mass transfer equipment, and so on.
products index:
| Ceramic characteristic table | |||
| name | 99% AL2O3 | 95% AL2O3 | |
| physical propertyessential component | essential component | AL2O3≥99% | AL2O3≥95% |
| Density(g/cm3) | 3.85 | 3.6 | |
| water absorption% | 0 | 0 | |
| sintering temperature | 1690 | 1670 | |
| material characters | Hardness(HV) | 1700 | 1600 |
| break off strength | >6500 | >2900 | |
| compressive strength | 30000 | 25000 | |
| thermal response | maximum service tempera- ture | 1500 | 1400 |
| thermal expansion coefficient | 8 | 7.8 | |
| 10-6/℃ | |||
| 0-1000℃ | |||
| Heat shock resistance T(℃) | 200 | 220 | |
| thermal conductivity W/m.k | 31 | 22 | |
| electrical specification | volume resistivity Ω.cm | >1012 | >1012 |
| Insulation destructive power KT/m | 18 | 16 | |
| dielectric constant 1MHZ(E) | 9.2-10.5 | 9.0-10 | |
Company workshop equipment:
