Application: | Refractory, Structure Ceramic, Industrial Ceramic |
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Material: | Silicon Nitride |
Type: | Ceramic Parts |
Product Name: | Silicon Nitride Ceramic Pin |
Shaping Methods: | Dry Pressed, ISO Pressed |
Density: | Over 3.2g/cm3 |
Samples: |
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Customization: |
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Material option | Silicon nitride(Si3N4), Zirconia (ZrO2), Alumina(Al2O3), Silicon carbide(SiO2) |
Forming methods | Dry pressed, Ceramic injection molding, Hot pressed, ISO pressed |
Specification | OD can be from 1 to 50mm, length can be from 10mm to 800mm |
Precision processing | CNC machining, Precision grinding, Polishing, Lapping, |
Tolerance | The tolerance of OD and ID can be 0.001mm, the tolerance of length can be 0.001mm |
Key parameters | Roughness to be 0.02mm, Parallelism to be 0.001mm |
Surface quality | Free of cracks, foreign contamination, mirror surface better than Ra0.1 |
Datasheet of Technical ceramics
Property | Unit | Material | ||||
Si3N4 | 99.5% Al2O3 | 99% Al2O3 | 96% Al2O3 |
ZrO2 | ||
Density | g/cm3 | ≥3.20 | ≥3.90 | ≥3.85 | ≥3.65 | ≥6.0 |
Water absorption | % | - | 0 | 0 | 0 | 0 |
Hardness | HV | - | 1700 | 1700 | 1500 | 1300 |
Flexural strength | Mpa | ≥600 | ≥379 | ≥338 | ≥320 | ≥1200 |
Compressive strength | Mpa | ≥2500 | ≥2240 | ≥2240 | ≥2000 | ≥1990 |
Fracture toughness | Mpa m1/2 | 6 | 4-5 | 4-5 | 3-4 | 6.5-8 |
Max. service temperature | ºC | 1200 | 1675 | 1600 | 1450 | 1000 |
Coefficient of thermal expansion (CTE) | 1×10 -6 /ºC | 3.2 | 6.5~8.0 | 6.2~8.0 | 5.0~8.0 | 8.0~9.5 |
Thermal shock | T(ºC) | ≥600 | ≥250 | ≥200 | ≥220 | ≥300 |
Thermal conductivity(25ºC) | W/m.k | 20 | 30 | 29 | 24 | 3 |
Volume resistivity | ohm.cm | |||||
25ºC | - | >1 x 10 14 | >1 x 10 14 | >1 x 10 14 | >1 x 10 11 | |
300ºC | - | 1 x 10 12 | 8 x 10 11 | 10 12 -10 13 | 1 x 10 10 | |
500ºC | - | 5 x 10 10 | 2 x 10 9 | 1 x 10 9 | 1 x 10 6 | |
Insulation strength | KV/mm | 19 | 18 | 18 | 17 | |
Dielectric constant(1Mhz) | (E) | 6 | 9.7 | 9.5 | 9.5 | 29 |
We have in-housing comprehensive manufacturing types of equipment, including forming, sintering,
CNC machining, precision grinding, laser cutting, and so on, it helps us to control the quality very well.
Also, it greatly benefits cost control.
The state of the art manufacturing equipment
Rigorous Quality-control System
Remark:
We have the complete quality-control system per ISO9001, including IQC, IPQC, QA, and OQC processes.
Typical Packaging Proposal and Transportation Methods
1. Packaging proposal
2. Regular Transporation Methods
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