Si3n4 Silicon Nitride
si3n4 Silicon Nitride Description
Silicon nitride (Si3N4) is one of the highest performing technical ceramics from across both the oxide and non-oxide groups. It was first developed in the 1960s when materials science and engineering was acknowledged as a field of study with comparable value to that of metallurgy. The underlying goal of most ceramics research in the '60s and '70s was to develop compact engineering materials with high strength, and toughness. Silicon nitride succeeded on all fronts.

The Specification Of si3n4 Silicon Nitride
| Property | Unit | SN1000 | SN2000 | SN3000 | SN4000 |
| Thermal Conductivity @ 20°C | W/mK | 25 | 24 | 25 | 28 |
| Thermal Shock Parameter R1 | K | 558 | 748 | 590-620 | 700 |
| Thermal Shock Parameter R2 | W/m | 14 | 18 | 15 | 19 |
| CTE1 25°C ➞ 250°C | 10-6/K | 1.9 | 1.9 | 1.9 | 1.9 |
| CTE1 25°C ➞ 1000°C | 10-6/K | 3.2 | 3.2 | 3.2 | 3.2 |
| Maximum Temperature (Inert) 2 | °C | 1400 | 1400 | 1400 | 1400 |
| Maximum Temperature (Oxidizing) 2 | °C | 1200 | 1200 | 1200 | 1200 |
Applications
Rotating ball bearings and rollers bearings
Cutting tools
Engine components: valves, rocker arm pads, seal faces
Induction heating coil supports
Turbine blades, vanes, buckets
Welding and brazing jigs
Heating element components
Crucibles
Metal tube forming rolls and dies
TIG / Plasma welding nozzles
Weld positioners
Precision shafts and axles in high-wear environments
Thermocouple sheaths and tubes
Semiconductor process equipment
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FAQ
Q:Are you a factory? Where are you located?
A: We are a professional manufacturer with more than 30 years production experience of composite materials, Our own factory locate in Anyang city, henan province.
Q:What's the MOQ?
A: Usually 1 Ton, depend on what products you need.
Q:Package & Shipping.
A: Normal package:by carton, we accept OEM packing.
Q:When can I offer?
A: We usually quote within 24 hours after we get your inquiry. If you are very urgent to get the price pls call us or tell us in your email , so that we can reply you priority.
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