Overview of Silicon Nitride

Silicon Nitride (Si₃N₄) is a critical ceramic material renowned for its exceptional mechanical properties, high-temperature resistance, and chemical stability. It is widely used in the fabrication of high-temperature structural components, bearings, cutting tools, and electronic devices. Silicon Nitride can be prepared through methods such as reaction sintering or hot pressing, resulting in two crystalline forms: α-Si₃N₄ and β-Si₃N₄, depending on the production process.

Features of Silicon Nitride

High Hardness and Wear Resistance: Silicon Nitride boasts remarkable hardness and wear resistance, making it ideal for high-performance cutting tools.

Thermal Stability: It maintains excellent mechanical properties at extremely high temperatures, with a maximum usage temperature exceeding 1200°C.

Good Chemical Stability: It shows great resistance to corrosion by most molten metals and acid-base solutions.

Low Density: Compared to metal materials, Silicon Nitride has a lower density, beneficial for reducing the weight of structural components.

Excellent Electrical Insulation Properties: It is a preferred choice for electronic packaging materials.

(CAS 12033-89-5 High Alpha Content Si3N4 Powder Silicon Nitride Powder)

Specification of CAS 12033-89-5 High Alpha Content Si3N4 Powder Silicon Nitride Powder

CAS 12033-89-5 High Alpha Content Si3N4 Powder is a premium-grade silicon nitride powder designed for advanced industrial applications. This material features a high alpha-phase content, typically above 90%, ensuring superior sintering performance and final product density. The powder boasts a purity level of 99.9%, minimizing impurities that could affect mechanical or thermal properties. Particle sizes range from 0.5 to 1.5 micrometers, with a tightly controlled distribution for consistent processing and uniform microstructure development. The specific surface area is maintained between 8-12 m²/g, optimizing reactivity without compromising flowability. Bulk density sits at 0.3-0.6 g/cm³, with a tapped density of 0.5-0.8 g/cm³, ensuring efficient handling and storage. Oxygen content is kept below 1.5% to prevent oxidation-related degradation. This silicon nitride powder excels in high-temperature environments, maintaining structural integrity up to 1800°C. It shows exceptional thermal shock resistance, capable of withstanding rapid temperature changes exceeding 1000°C per minute. The material demonstrates a Vickers hardness of 1600-1800 HV, coupled with a fracture toughness of 6-7 MPa·m¹/², making it suitable for demanding mechanical applications. Electrical insulation properties remain stable across a broad temperature range, with a volume resistivity of 10¹²-10¹⁴ Ω·cm at room temperature. Primary applications include precision ceramic components for aerospace bearings, semiconductor manufacturing equipment, and high-performance engine parts. The powder is compatible with various forming techniques, including dry pressing, injection molding, and slip casting. It meets industry standards for advanced ceramics, with batch-to-batch consistency verified through X-ray diffraction and electron microscopy analysis. Proper storage requires airtight containers in low-humidity environments below 25°C. Exposure to moisture or airborne contaminants should be minimized to preserve material performance.

(CAS 12033-89-5 High Alpha Content Si3N4 Powder Silicon Nitride Powder)

Applications of CAS 12033-89-5 High Alpha Content Si3N4 Powder Silicon Nitride Powder

CAS 12033-89-5 High Alpha Content Si3N4 Powder (Silicon Nitride Powder) is a advanced ceramic material with high thermal stability, mechanical strength, and resistance to wear. It works well in extreme environments. The high alpha-phase content improves sintering performance, creating dense, reliable components. This powder is used across many industries.

In aerospace, silicon nitride powder makes parts for jet engines and turbines. These parts face high temperatures and stress. The material’s low weight and heat resistance help engines run efficiently. It reduces fuel consumption. It also handles thermal shock, preventing cracks during rapid temperature shifts.

Automotive systems use silicon nitride powder for engine components and bearings. Electric vehicles benefit from its electrical insulation and durability. Bearings made from this powder last longer. They reduce friction in high-speed applications. This improves vehicle performance and lowers maintenance costs.

Electronics manufacturing relies on silicon nitride powder for substrates and insulating layers. Its thermal conductivity manages heat in microchips and circuits. This prevents overheating in devices. The material’s purity ensures minimal contamination in semiconductor production.

Industrial cutting tools use silicon nitride powder for coatings. The hardness and wear resistance extend tool life. Machining metals and composites becomes faster. Factories save costs by reducing tool replacements.

Medical equipment incorporates silicon nitride powder for implants and surgical tools. The material is biocompatible. It resists corrosion in bodily fluids. Implants like spinal spacers stay durable long-term. Surgical tools stay sharp and sterile.

Renewable energy systems apply silicon nitride powder in solar panels and wind turbines. It protects components from environmental damage. Solar cell efficiency improves with better heat management. Wind turbine bearings handle heavy loads without failing.

Silicon nitride powder supports advanced research. Labs use it to develop stronger ceramics and test high-temperature reactions. Its consistency ensures reliable results in experiments.

Company Introduction

Welcome to JatujakGuide,a leading global supplier of high-quality silicon nitride (Si₃N₄) products. We specialize in providing advanced ceramic materials that offer exceptional strength, thermal stability, and wear resistance, making them ideal for industries such as aerospace, automotive, and electronics. Our state-of-the-art manufacturing processes ensure superior product quality and consistency. With a commitment to innovation and customer satisfaction, we deliver reliable and cost-effective solutions worldwide. Whether you need silicon nitride for cutting tools, bearings, or thermal management applications, trust [Your Company Name] to meet your needs. Partner with us for high-performance materials and expert support.

If you have any questions, please feel free to contact us(nanotrun@yahoo.com).

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T/T, Western Union, Paypal, Credit Card etc.

Shipment Methods

By air, by sea, by express, as customers request.

5 FAQs of CAS 12033-89-5 High Alpha Content Si3N4 Powder Silicon Nitride Powder

CAS 12033-89-5 High Alpha Content Si3N4 Powder refers to silicon nitride powder with a high proportion of alpha-phase crystals. This material is known for excellent thermal stability, mechanical strength, and resistance to wear. It is commonly used in advanced ceramics, electronics, and high-temperature applications. The alpha-phase structure provides better sintering performance, making it ideal for producing dense, durable components.

What industries use this powder? It is widely used in ceramics, electronics, aerospace, and automotive sectors. In ceramics, it helps create cutting tools, bearings, and engine parts. Electronics manufacturers use it for insulating layers or substrates due to its electrical resistance. Aerospace applications include turbine blades and heat shields. Automotive uses involve parts like glow plugs or exhaust sensors. Its ability to withstand extreme heat and stress makes it suitable for demanding environments.

Why is high alpha content important? High alpha content improves sintering behavior. This results in stronger, denser final products. Alpha-phase crystals convert to beta-phase during sintering, enhancing mechanical properties. Higher alpha content ensures better control over this process. Products made from high-alpha powder show improved hardness, fracture resistance, and thermal shock tolerance. This is critical for components exposed to harsh conditions.

How should the powder be stored and handled? Store it in airtight, moisture-proof containers. Keep it in a dry, cool area away from direct sunlight. Avoid contact with water or humid environments to prevent oxidation or clumping. Use protective gloves and masks when handling to minimize inhalation or skin contact. Proper storage maintains particle size distribution and purity, ensuring consistent performance in applications.

Can the powder be customized for specific needs? Particle size, purity, and surface treatments can be adjusted. Custom particle sizes suit different forming processes like pressing or injection molding. Higher purity levels meet requirements for electronics or medical applications. Surface modifications improve compatibility with binders or matrices. Manufacturers often tailor the powder to optimize performance in specialized uses.

(CAS 12033-89-5 High Alpha Content Si3N4 Powder Silicon Nitride Powder)