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.

(Factory Silicon Nitride Powder CAS 12033-89-5 Si3N4 Powder Ceramics)

Specification of Factory Silicon Nitride Powder CAS 12033-89-5 Si3N4 Powder Ceramics

Factory Silicon Nitride Powder (CAS 12033-89-5), also known as Si3N4 powder, is a high-performance advanced ceramic material engineered for demanding industrial applications. This premium-grade powder is synthesized under strict quality control to ensure consistency, purity, and optimal performance in ceramics manufacturing. It exhibits exceptional thermal stability, mechanical strength, and resistance to wear, corrosion, and thermal shock, making it ideal for use in extreme environments.

The product specifications include a purity level of ≥99.9%, with trace metals minimized to enhance performance. The particle size distribution is tightly controlled, with an average particle size ranging from 0.5 to 1.5 microns, and a specific surface area of 6-10 m²/g. The powder has a theoretical density of 3.17-3.3 g/cm³ and a tapped density of approximately 1.2-1.6 g/cm³, ensuring efficient processing during compaction and sintering. The material is typically off-white with an irregular or spherical morphology, depending on the synthesis method, and is available in both alpha-phase (high hardness) and beta-phase (enhanced fracture toughness) crystalline structures to suit specific application requirements.

Key features of silicon nitride powder include a high melting point (~1900°C under pressure), excellent thermal shock resistance, and the ability to retain mechanical integrity at temperatures up to 1200°C in oxidizing environments and 1800°C in inert atmospheres. It demonstrates low thermal expansion, superior electrical insulation, and exceptional resistance to acids, alkalis, and molten metals. Its lightweight nature compared to metals makes it advantageous for weight-sensitive applications.

Applications span aerospace (turbine blades, engine components), automotive (glow plugs, turbocharger rotors), electronics (substrates, insulating parts), and industrial machinery (cutting tools, bearings). It is also used in medical implants and high-temperature furnace components.

Store in a dry, cool environment sealed in moisture-resistant packaging to prevent oxidation or clumping. Handle with PPE to avoid inhalation or contact with fine particles. Non-toxic but requires standard industrial safety protocols. Custom particle sizes, phases, and purity levels are available upon request to meet specialized ceramic manufacturing needs.

(Factory Silicon Nitride Powder CAS 12033-89-5 Si3N4 Powder Ceramics)

Applications of Factory Silicon Nitride Powder CAS 12033-89-5 Si3N4 Powder Ceramics

Silicon Nitride Powder (CAS 12033-89-5), with the chemical formula Si3N4, is a high-performance ceramic material prized for its exceptional thermal stability, mechanical strength, and resistance to wear, corrosion, and oxidation. These properties make it a critical component in advanced industrial and technological applications. Below are key uses of silicon nitride ceramics across industries:

Aerospace & Defense: Silicon nitride components are used in gas turbine engines, rocket nozzles, and bearings due to their ability to withstand extreme temperatures (up to 1400°C) and thermal shock. Its low density and high fracture toughness enhance fuel efficiency and durability in aerospace systems.

Automotive Engineering: In the automotive sector, Si3N4 powder is sintered into parts like turbocharger rotors, glow plugs, and cam followers. Its lightweight nature reduces engine load, improving performance and fuel economy. Electric vehicles benefit from silicon nitride ceramic substrates for battery insulation and thermal management.

Electronics & Semiconductors: Silicon nitride’s electrical insulation and thermal conductivity make it ideal for insulating substrates, heat sinks, and diffusion barriers in microelectronics. It’s used in LED manufacturing, semiconductor wafer handling, and high-voltage circuit components.

Industrial Machinery: The material’s wear resistance and hardness are leveraged in cutting tools, ball bearings, and metal-forming dies. Silicon nitride ceramics extend tool lifespan in high-speed machining and reduce friction in corrosive or high-load environments.

Medical Devices: Biocompatibility and resistance to bodily fluids make Si3N4 suitable for orthopedic implants, spinal fusion devices, and dental prosthetics. Its antibacterial properties and longevity improve patient outcomes in surgical applications.

Energy Sector: In renewable energy systems, silicon nitride coatings protect components in wind turbines and solar panels. It’s also used in nuclear reactors for neutron shielding and structural parts due to its radiation resistance.

Factory-produced silicon nitride powder enables cost-effective, large-scale manufacturing of precision ceramics. Its versatility across high-stress, high-temperature, and corrosive environments underscores its role in advancing modern engineering, electronics, and healthcare technologies.

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).

Payment Methods

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

Shipment Methods

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

5 FAQs of Factory Silicon Nitride Powder CAS 12033-89-5 Si3N4 Powder Ceramics

What is Silicon Nitride Powder (CAS 12033-89-5) and what are its key properties?
Silicon Nitride Powder (Si₃N₄) is a high-performance ceramic material known for its exceptional thermal stability, mechanical strength, and resistance to wear and corrosion. With CAS number 12033-89-5, it is synthesized through processes like carbothermal reduction or direct nitridation. Key properties include a high melting point (~1900°C), low thermal expansion, excellent fracture toughness, and resistance to oxidation and chemical attack. These attributes make it ideal for extreme environments.

What are the primary applications of Silicon Nitride Powder?
Si₃N₄ powder is widely used in industries requiring durable, heat-resistant materials. Common applications include aerospace components (turbine blades, engine parts), automotive parts (bearings, glow plugs), electronics (substrates, insulating layers), and medical devices (dental implants, surgical tools). It is also used in industrial ceramics, cutting tools, and as an additive in composites to enhance strength and thermal performance.

How should Silicon Nitride Powder be handled and stored?
Store Silicon Nitride Powder in a cool, dry, and well-ventilated area, away from moisture and direct sunlight. Use sealed containers to prevent contamination. While non-toxic, avoid inhalation or direct skin contact by wearing gloves, goggles, and masks during handling. Follow standard industrial safety protocols, including using local exhaust ventilation in processing areas.

What technical specifications are critical when selecting Si₃N₄ Powder?
Key specifications include purity (typically ≥99%), particle size distribution (nanoscale to microns), density (3.1-3.3 g/cm³), and surface area. Oxygen content (<2%) and phase composition (α-phase vs. β-phase) also impact performance. These parameters determine suitability for sintering, reaction bonding, or additive manufacturing processes. Customizable particle sizes and morphologies are available for specific applications. How can I purchase high-quality Silicon Nitride Powder? Reputable suppliers offer Si₃N₄ powder in various grades, with options for custom particle sizes and purity levels. Ensure the supplier provides material certifications, such as ISO compliance, and detailed technical data sheets. Bulk purchasing may reduce costs, but verify consistency in quality. Partner with suppliers specializing in advanced ceramics to guarantee material performance for high-stress applications.

(Factory Silicon Nitride Powder CAS 12033-89-5 Si3N4 Powder Ceramics)