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.

(black silicon carbide powder)

Specification of black silicon carbide powder

Black silicon carbide powder is a man-made material. It is very hard and tough. This powder has many industrial uses. It is popular for grinding, cutting, and polishing jobs. The powder is made from quartz sand and petroleum coke. They are heated together in an electric furnace. The result is pure silicon carbide crystals. These crystals are black.

The powder’s quality depends on its specifications. The chemical makeup is key. It should be mostly silicon carbide. Good powder has over 98% SiC. Carbon content should be low. Free carbon is usually under 0.3%. Free silica should also be very low. Iron content is another factor. Low iron is better for many jobs. Good powder has iron below 0.2%.

Particle size is very important. The powder comes in many grit sizes. These sizes range from very coarse to very fine. You choose the size based on your work. Coarse grits are good for fast material removal. Fine grits give a smooth finish. The size distribution must be tight. This means most grains are the same size. Consistent size gives better results.

Hardness is a big advantage. Black silicon carbide is harder than most materials. Only diamond and boron carbide are harder. This hardness lets it cut well. It stays sharp longer. It also resists wear. The grains have sharp edges. These edges do the cutting work. The powder is brittle too. This helps it break to form new sharp edges.

Density is another property. Black silicon carbide is dense. Its specific gravity is about 3.2. This density helps it sink in liquids. That’s useful for some blasting jobs. The powder is chemically stable. It doesn’t react with acids or alkalis. It can handle high heat. It works well up to about 1400°C.

People use this powder in many ways. It’s common in abrasive tools. Things like grinding wheels and sandpaper use it. It works on hard materials like glass and stone. Cutting tools like saw blades use it too. It’s good for lapping and polishing metals. Blasting operations use it for surface cleaning. It can etch or clean surfaces well. Refractory products use it for heat resistance. Ceramics sometimes add it for strength.

Handling the powder requires care. It is abrasive and creates dust. Wear protective gear. Good ventilation is important. Store it in a dry place. Keep it away from moisture. Moisture can cause clumping.

(black silicon carbide powder)

Applications of black silicon carbide powder

Black silicon carbide powder is a tough, sharp material. It’s made from quartz sand and petroleum coke at high temperatures. This powder is very hard. It has many uses in different industries.

In abrasives, black silicon carbide powder is a key ingredient. It’s used to make grinding wheels, sandpaper, and cutting tools. These tools are great for grinding hard metals. They also work well on ceramics, glass, and stone. The sharp grit cuts materials efficiently. It helps achieve smooth finishes.

Black silicon carbide powder is important for making refractory materials. Refractories are used to line furnaces and kilns. They handle very high heat. Adding this powder makes refractories stronger. It helps them resist heat better and last longer. This is vital in steel plants and foundries.

In metallurgy, this powder is used as a deoxidizer. It helps remove oxygen from molten metals. This improves the quality of steel and iron. It also acts as a slag conditioner. This makes it easier to remove impurities during smelting.

The powder is also used for lapping and polishing. It helps create super flat surfaces on parts. This is important for making precise tools and instruments. It ensures parts fit together perfectly.

Black silicon carbide powder works well in wire sawing. It’s mixed with oil or water to cut stone slabs. This includes granite and marble. The sharp grit allows for precise cuts. It minimizes material waste.

It serves as an additive in ceramics. Adding it makes ceramic products harder. It also makes them more resistant to wear. This improves the performance of ceramic parts.

This powder is used in making certain electronic components. It helps with heat dissipation. This keeps electronic devices running cooler.

Its hardness and sharpness make it valuable for blast cleaning. It removes rust and old paint from metal surfaces. It prepares surfaces for new coatings. This is common in shipbuilding and large equipment repair.

Black silicon carbide powder has uses in making specialized coatings. These coatings protect surfaces from wear. They extend the life of industrial parts.

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 black silicon carbide powder

Black silicon carbide powder is a tough abrasive material. Many people ask about its properties and uses. Here are five common questions answered simply.

What is black silicon carbide powder? It is a man-made material. People make it from quartz sand and petroleum coke at very high temperatures. The result is a dark, gritty powder known for being hard and sharp. It works well for grinding and cutting.

How hard is black silicon carbide? It is extremely hard. On a hardness scale, it scores about 9.5. This makes it harder than most materials it works on. For example, it easily scratches glass and many metals. Its hardness allows it to remove material quickly.

What is black silicon carbide powder used for? Its main job is abrasive work. People use it for grinding wheels, sandpaper, and blasting media. It shapes metal, stone, and glass. It also polishes surfaces. Other uses include making refractory bricks for high heat and some special ceramics.

Is black silicon carbide powder safe? It is safe when handled properly. But the dust can be bad to breathe in. Always wear a mask when working with the powder. Use gloves because the sharp grains can irritate skin. Keep it away from open flames. Store it in a dry place.

How does black silicon carbide compare to green silicon carbide? Both are very hard abrasives. Black silicon carbide is tougher. It handles heavy grinding jobs better. Green silicon carbide is a bit harder but more brittle. Green is often chosen for finer work on harder materials like carbide tools. Black is common for general metal and stone work.

(black silicon carbide powder)