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Silicon Nitride Ceramics: The Future Star Of High-performance Materials
Introduction
With the rapid development of industry and technology, the demand for high-performance materials is growing. Silicon nitride ceramics (Si₃N₄) have become a “star material” in the fields of aerospace, electronics, and medical due to their unique physical and chemical properties. This article will deeply analyze the characteristics, application scenarios, and market potential of silicon nitride ceramics to help you understand the core value of this material. Ingredients: The Al2O3 content is usually 75%~99.9%. The higher the purity, the better the performance (such as 99.6% high-purity alumina ceramics).Classification: According to the purity, it is divided into ordinary type (75%~95%) and high-purity type (≥99%).
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Specifications｜Support customization
| Plate material mm (L, H, and W can be selected as needed, customization supported) | ||||||||||||
| L | 3 | 5 | 8 | 10 | 12 | 15 | 18 | 20 | 22 | 25 | 28 | More (Customizable) |
| W*H | 100*100 | 90*140 | 95*145 | 150*150 | 160*160 | 122*290 | 110*275 | More (Customizable) | ||||
| Rod material mm (W, Ø can be selected as needed, customization supported) | ||||||||||||
| Ø | 0.5 | 0.8 | 0.9 | 1 | 1.5 | 2 | 2.5 | 3 | 3.5 | 4 | 4.5 | More (Customizable) |
| W | 60 | 100 | 120 | 200 | More (Customizable) | |||||||
Silicon Nitride Ceramics, preparation and application prospects
1. Characteristics of Silicon Nitride Ceramics
Silicon Nitride Ceramics is an advanced ceramic material composed of silicon (Si) and nitrogen (N) elements, with the following outstanding properties:
High strength and high hardness
The bending strength can reach more than 1000 MPa, the hardness is second only to diamond and cubic boron nitride, and the wear resistance is excellent.
High temperature resistance and thermal shock resistance
Stability can be maintained at a high temperature of 1200°C, the thermal expansion coefficient is low, and it can withstand rapid temperature changes.
Chemical inertness
Strong corrosion resistance, can resist acid, alkali and molten metal erosion.
Insulation and biocompatibility
Excellent electrical insulation performance, non-toxic and harmless, suitable for medical implants.
2. Application fields of silicon nitride ceramics
1. Industrial manufacturing
Bearings and cutting tools: Silicon nitride bearings have a lifespan far exceeding that of metal bearings in high-speed and high-temperature environments; ceramic tools can precisely process hard materials such as cast iron and alloys.
Automotive parts: Turbocharger rotors and engine components can reduce weight and improve fuel efficiency.
2. Electronics and Energy
Insulating substrates and heat sinks in semiconductor devices; weather-resistant components of solar panels.
3. Medical field
Artificial joints, dental implants, etc., due to their biocompatibility and wear resistance.
4. Aerospace
Rocket nozzles, spacecraft insulation components, to cope with extreme temperatures and pressures.V
3. Market prospects and challenges
With the expansion of new energy, semiconductor and high-end medical industries, the silicon nitride ceramic market is expected to continue to grow at a compound annual growth rate of 8.5% (2023-2030). However, its high production cost and complex processing technology are still the main bottlenecks for popularization. In the future, through breakthroughs in 3D printing technology and nano-modification processes, costs are expected to be further reduced.
4. Why choose our silicon nitride ceramic products?
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Customized service: Provide one-stop solutions from material ratio to precision processing.
Strict quality inspection: Pass ISO 9001 certification to ensure the stable performance of each batch of products.
Technical support: Professional team assists in optimizing material application solutions.
Conclusion
Silicon nitride ceramics are redefining the boundaries of high-performance materials. Whether it is improving industrial efficiency or promoting medical innovation, its potential is unlimited. If you are looking for reliable, durable and cutting-edge ceramic solutions, please contact us to explore more possibilities together!
Consult now:sales01@hkceramic.com
*Values are typical material properties, actual values may vary due to product configuration and manufacturing process.
*For more details, please feel free to contact our company.
*For more details, please feel free to contact our company.
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