Square Thick Silicon Carbide Ceramic Blocks - Silicon Carbide Ceramic Plates - Silicon Carbide Ceramic Structural Blocks
Square Thick Silicon Carbide Ceramic Blocks - Silicon Carbide Ceramic Plates - Silicon Carbide Ceramic Structural Blocks - Machinable Silicon Carbide Ceramics - Custom-Made to Your Drawings 1
Square Thick Silicon Carbide Ceramic Blocks - Silicon Carbide Ceramic Plates - Silicon Carbide Ceramic Structural Blocks - Machinable Silicon Carbide Ceramics - Custom-Made to Your Specifications

Square, thick silicon carbide ceramic blocksmerits

Square, thick silicon carbide ceramic blocks are a typical type of structural ceramic component characterized by high strength, high wear resistance, and high temperature resistance. Compared to ceramic plates, these blocks are thicker and more solid, offering superior load-bearing capacity, impact resistance, and structural stability. They are widely used in applications such as high-temperature load-bearing blocks, wear-resistant support blocks, equipment base pads, chemical corrosion-resistant blocks, and semiconductor equipment support structures, and are particularly suitable for heavy-load and complex operating environments.

  • High-strength, thick-block construction for more stable load-bearing capacity
  • Excellent high temperature resistance, adaptable to extreme working conditions
  • Extremely hard and wear-resistant, with a longer service life
  • High corrosion resistance, suitable for harsh environments
  • High rigidity and resistance to deformation, ensuring a more reliable structure
  • Even heat distribution reduces the risk of thermal stress
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Description

What is silicon carbide?

Silicon carbide (SiC) is a common high-performanceCeramic materials, exists in nature in the form of adamantine. As a new type of engineering ceramics, silicon carbide combines high hardness, high abrasion resistance, high temperature resistance and corrosion resistance, so it is widely used in the manufacture of wear-resistant parts and seals. Among them.Silicon Carbide CeramicsIt is particularly valued in the industrial sector.

Advantages of Silicon Carbide Ceramics

  • High hardness: Silicon carbide ceramics have a hardness close to diamond, much higher than steel and alumina ceramics, making them suitable for use in high wear environments.
  • High wear resistance: As ceramic bushings or wear-resistant bushings, the service life can be significantly extended.
  • Low density: Silicon carbide ceramics have a density of approximately 3.2 g/cm³, which is lighter than metal and reduces the overall weight of the equipment.
  • Excellent corrosion resistance: able to resist acids, alkalis and a variety of chemical media erosion.
  • Good performance of high temperature resistance: it can work stably for a long time under the environment of over 1600℃.

Silicon Carbide Ceramics

Silicon carbide ceramic wear bushings are widely used in:

  • Conveying pipes and wear-resistant parts in mining and metallurgical industries;
  • Ceramic bushings in chemical equipment, pump valve linings;
  • Dedusting pipes and circulating water pumps in thermal power and steel industries;
  • Highly abrasive parts such as sealing rings, nozzles and bearings in the machinery industry.

Properties of Silicon Carbide Ceramics

Silicon carbide ceramic bushings are extremely hard, with a Mohs hardness of 9.2-9.6, second only to diamond. This property allows them to excel in high wear environments, effectively resisting scratches and abrasion and maintaining surface integrity and finish.

Silicon carbide bushings have more than 10 times the wear life of conventional steel and aluminum oxide bushings compared to conventional materials. In a sandblast comparison test, the volumetric wear of the silicon carbide tube was only 0.0022, which is better than the 0.0025 of the 97% aluminum oxide tube.

Silicon carbide ceramic bushings are capable of stable operation in environments up to 1600°C, maintaining high strength and dimensional stability. Their thermal conductivity of 120-200 W/m-K prevents thermal stress failures caused by localized overheating.

This characteristic gives it an irreplaceable advantage in high-temperature production environments such as metallurgy and glass manufacturing, where it can operate stably for long periods of time without affecting performance due to temperature fluctuations.

Silicon carbide ceramic bushings have good corrosion resistance to a wide range of chemical media and can be used for a long time in harsh chemical environments.

Whether it is strong acid, strong alkali or organic solvents and other corrosive media, it is difficult to cause corrosion (only hydrofluoric acid and strong alkali solution can cause erosion). This makes it widely used in chemical and pharmaceutical industries to ensure the safety and reliability of the production process.

Although belonging to ceramic materials, silicon carbide bushings have high strength and certain toughness through advanced preparation process and optimized design.

With a flexural strength of 400-600 MPa and a compressive strength of more than 2,000 MPa, it is capable of withstanding high loads in complex stress environments. The modulus of elasticity of about 400-450 GPa ensures minimal deformation when subjected to force and is suitable for precision assembly.

Processing and production of silicon carbide ceramics

  • Silicon carbide ceramics production processes mainly include reaction sintering, hot press sintering and pressureless sintering, with different processes corresponding to different performance requirements.
  • Silicon carbide machining process requires high precision, often using diamond tools for cutting, grinding and polishing to ensure dimensional accuracy and surface finish.
  • In the manufacture of ceramic bushings, sealing rings and wear-resistant bushings, silicon carbide processing can be customized to achieve complex shapes according to customer needs.

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summarize

As a high-performance ceramic material, silicon carbide ceramic is widely used in the manufacture of wear-resistant bushings and ceramic bushings due to its excellent hardness, wear resistance, low density and high temperature resistance properties. As the production process of silicon carbide ceramics and silicon carbide processing technology continue to mature, it will be more widely used in the industrial field, providing longer-lasting protection and higher performance for equipment.

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