Brand:Xinxing
MOQ:100
Quantity:100
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Ceramic CircuitBoard
Features:
1. material: Alumina ceramic, zirconia ceramic
2. method of moulding: tape casting
3. colour: white/black
4. sintering temperature: 1650c
5. surface finish:Ra0.4 &SIM RA 0.8&mum etc, uponyour requirement
1) A varietyof specifications available.
2) Satisfyvarious technical request
3) Lowermedium spoilage
4) Goodinsulation performance and high temperature resistance
5) Stiffnesstexture
6) Used inall electric products, electric heating products and wear resistantmachinery parts.
We can supplythe products according to customer''s drawings, samples andperformance requirement.
| Alumina ceramic is kind ofstructural ceramics, with insulation resistance, voltageresistance, high strength, good thermal conductivity, dielectricloss, stable electrical performance characteristics. Used inelectronic ceramic substrates, ceramic electrical insulation,vacuum devices, devices porcelain, spark plugs and other products.We can make the part by hot injection pressing, dry pressing,isostatic pressing and extrusion productive technologyetc | ||||||
| Item | Unit | Steatiteceramic | 95Al2O3 | 96Al2O3 | 99Al2O3 | |
| PhysicalCharacteristics | Heat resistance | 0C | 1100 | 1500 | 1550 | 1800 |
| Bulkdensity | g/cm3 | 2.7 | 3.6 | 3.6 | 3.9 | |
| Waterabsorption | % | 0 | 0 | 0 | 0 | |
Mechanical Characteristics | Flexuralstrength | Mpa | 145 | 320 | 340 | 360 |
| Hardnessvickers | Gpa | 5.7 | 12.2 | 13.5 | 15.6 | |
| Elasticmodulus | Gpa | 120 | 280 | 320 | 370 | |
| Poisson’sratio | 0.21 | 0.22 | 0.23 | 0.23 | ||
| ThermalCharacteristics | Linear expansioncoefficient | (20-5000C)10-6/0C | 7.9 | 7.1 | 7.2 | 8 |
| Thermalconductivity | w/(m.k) | 2.5 | 16 | 24 | 32 | |
| SpecificHeat | *10-3J/(kg*K) | 0.75 | 0.78 | 0.78 | 0.9 | |
| ElectricalCharacteristics | Dielectric constant (1MHZ) | - | 6.2 | 9 | 9.4 | 9.9 |
| Dielectric lossangle | *10-4 | 18 | 15 | 5 | 1 | |
| Dielectricstrength | *106V/m | 18 | 12 | 15 | 15 | |
| Processing technology | ||||||
| Process range (mm) | ||||||
| Outside Diameter | 1---300 | |||||
| Inside Diameter | 0.5---300 | |||||
| Length | 0.5---600 | |||||
| Accuracy of working (mm) | ||||||
| Perpendicularity | 0.001 | |||||
| Concentricity | 0.001 | |||||
| Roundness | 0.0005 | |||||
| Straightness | 0.005 | |||||
| Parallelism | 0.01 | |||||
| Planeness | 0.005 | |||||
| Roughness | 0.005 | |||||
| Fit clearance | 0.005 | |||||
