Overview of Silicon Nitride Ceramics

Silicon Nitride Ceramics are high-performance materials known for their excellent mechanical properties, including strength, toughness, and resistance to wear, corrosion, and thermal shock, making them ideal for demanding applications in various industries.

Features of Silicon Nitride Ceramics

Exceptional hardness and wear resistance.

Superior mechanical strength and fracture toughness.

Excellent thermal stability and resistance to thermal shock.

High corrosion resistance in aggressive environments.

Low density contributing to lightweight components.

(High Temperature Si3N4 Silicon Nitride Ceramic Insulating Ring Used in Polycrystalline Silicon Reduction Furnace Electrode)

Specifications of High Temperature Si3N4 Silicon Nitride Ceramic Insulating Ring Used in Polycrystalline Silicon Reduction Furnace Electrode

The Heat Si3N4 Silicon Nitride Porcelain Shielding Ring is designed for use in polycrystalline silicon decrease heater electrodes. This item ensures trustworthy insulation under severe problems. The product structure is silicon nitride (Si3N4), a sophisticated ceramic known for exceptional thermal security, mechanical stamina, and resistance to thermal shock. It operates successfully in constant high-temperature settings as much as 1400 ° C, with short-term optimal tolerance getting to 1600 ° C

. The protecting ring functions reduced thermal conductivity, decreasing heat transfer between electrode elements. This home helps maintain temperature gradients important for furnace efficiency. Its high flexural toughness, usually 800-1000 MPa, avoids architectural failing under mechanical anxiety. The material’s hardness, measured at approximately 15 Grade point average on the Vickers scale, makes sure resistance to abrasion and use during extended operation.

Electrical insulation efficiency remains stable also at elevated temperatures. The volume resistivity goes beyond 10 ^ 14 Ω · cm at 1000 ° C, properly preventing current leak. This particular is important for keeping electric isolation in high-voltage electrode systems. The ring’s chemical inertness provides resistance to corrosive gases, molten steels, and acidic/alkaline compounds existing in polycrystalline silicon manufacturing environments.

Criterion dimensions consist of internal sizes ranging from 50 mm to 300 mm, outer diameters from 80 mm to 350 mm, and densities between 10 mm and 30 mm. Custom-made dimensions are offered for certain heater layouts. Dimensional resistances are managed within ± 0.5 mm to guarantee precise fitment. Surface roughness averages Ra ≤ 0.4 µm, decreasing rubbing and particulate generation throughout installment.

Setup compatibility covers several electrode arrangements utilized in Siemens process activators. The rings withstand rapid thermal cycling without splitting due to their reduced thermal expansion coefficient (3.2 × 10 ^ -6/ ° C). No secondary handling is needed prior to usage. Upkeep demands are minimal contrasted to conventional alumina-based insulators.

Performance advantages consist of extended life span going beyond 12 months in continual operation, lowered power loss with boosted insulation efficiency, and improved heater safety and security with trusted electric seclusion. The item meets sector criteria for high-purity applications, with overall metallic contamination content listed below 100 ppm.

(High Temperature Si3N4 Silicon Nitride Ceramic Insulating Ring Used in Polycrystalline Silicon Reduction Furnace Electrode)

Applications of High Temperature Si3N4 Silicon Nitride Ceramic Insulating Ring Used in Polycrystalline Silicon Reduction Furnace Electrode

High-temperature Si3N4 silicon nitride ceramic shielding rings are essential elements in polycrystalline silicon reduction heater electrodes. They are designed to handle severe conditions in commercial settings. These rings give trusted insulation in between steel electrodes and other furnace parts. This prevents electric shorts and power loss during high-temperature operations.

Polycrystalline silicon manufacturing requires heating systems to operate at temperatures above 1000 ° C. Silicon nitride ceramic excels below. It maintains structural stability and stands up to thermal shock. This makes sure the heater runs efficiently without frequent shutdowns. The product’s low thermal development coefficient lowers tension cracks under rapid temperature level changes.

Electric insulation is one more significant advantage. Si3N4 ceramic has high dielectric stamina. It blocks unwanted current flow in between electrodes. This improves power efficiency and lowers risks of equipment damage. The material’s non-conductive nature also enhances driver safety and security in high-voltage atmospheres.

Mechanical longevity matters in harsh furnace conditions. Silicon nitride ceramic is harder than steel. It stands up to wear from unpleasant particles and mechanical resonances. This extends the lifespan of furnace components. Maintenance costs go down as replacements become less regular.

Chemical resistance is key in polycrystalline silicon processing. The product withstands harsh gases like chlorine and hydrogen chloride. It does not weaken when revealed to thaw silicon or acidic by-products. This reliability makes certain regular item top quality gradually.

High-purity requirements in semiconductor-grade silicon demand contamination-free products. Si3N4 ceramic releases very little pollutants at heats. It stays clear of introducing problems right into the silicon ingots. This makes it perfect for generating high-performance solar cells and digital elements.

Setup versatility adds value. The rings are available in personalized shapes and sizes to fit different heater designs. Their light-weight nature simplifies handling during assembly. Operators conserve time while making certain specific positioning.

Power financial savings arise from reduced warm loss. The ceramic’s reduced thermal conductivity keeps warmth within the reaction area. This reduces power intake and lowers production expenses. Heater performance boosts without jeopardizing result quality.

Long-lasting efficiency under stress and anxiety makes Si3N4 insulating rings an affordable selection. They surpass traditional materials like alumina or quartz. Industries take advantage of less substitutes and higher process reliability.

Company Introduction

Advanced Ceramics founded on October 17, 2014, is a high-tech enterprise committed to the research and development, production, processing, sales and technical services of ceramic relative materials and products.. Since its establishment in 2014, the company has been committed to providing customers with the best products and services, and has become a leader in the industry through continuous technological innovation and strict quality management.

Our products includes but not limited to Silicon carbide ceramic products, Boron Carbide Ceramic Products, Boron Nitride Ceramic Products, Silicon Carbide Ceramic Products, Silicon Nitride Ceramic Products, Zirconium Dioxide Ceramic Products, Quartz Products, etc. 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 High Temperature Si3N4 Silicon Nitride Ceramic Insulating Ring Used in Polycrystalline Silicon Reduction Furnace Electrode

High Temperature Si3N4 Silicon Nitride Ceramic Insulating Rings are critical components in polycrystalline silicon reduction furnace electrodes. Below are answers to common questions about these products.

What makes silicon nitride ceramic suitable for insulating rings?
Silicon nitride ceramic offers high mechanical strength. It resists thermal shock. It maintains stability in extreme temperatures. Its electrical insulation properties prevent current leakage. These features ensure reliability in harsh furnace environments.

How does the material handle high temperatures?
The insulating rings operate continuously up to 1200°C. Silicon nitride has low thermal expansion. Sudden temperature changes cause minimal stress. This reduces cracking risks. The material does not soften or degrade under heat.

What affects the lifespan of these rings?
Lifespan depends on operating conditions. Proper installation prevents mechanical damage. Avoiding rapid cooling or heating extends service life. Contaminants like metal splashes or chemical corrosion should be minimized. Regular inspections identify wear early.

Are there specific installation requirements?
Surfaces must be clean before fitting. Dust or debris causes uneven pressure. Alignment ensures uniform load distribution. Tightening bolts must follow torque specifications. Over-tightening cracks the ceramic. Professional installation is recommended.

Can these rings be customized for different furnaces?
Dimensions adapt to electrode designs. Thickness, inner diameter, outer diameter match specific needs. Surface treatments improve wear resistance. Grooves or holes accommodate auxiliary components. Customization requires detailed furnace parameters.

The answers address core concerns about performance, durability, and adaptability. Users benefit from understanding material properties and maintenance practices.

(High Temperature Si3N4 Silicon Nitride Ceramic Insulating Ring Used in Polycrystalline Silicon Reduction Furnace Electrode)