Aluminum Diboride Powder

Product Name: Aluminum Diboride Powder

Aluminum Diboride Powder RELATED INFORMATION

Aluminum boride is an ionic compound, with a hexagonal crystal structure.  Aluminum boride at an absolute temperature slightly 40K (equivalent to -233 ℃) will be transformed into a superconductor. And its actual operating temperature is 20 ~ 30K. To reach this temperature, we can use liquid neon, liquid hydrogen, or closed-cycle refrigerator to finish cooling. Compared to the current industry using liquid helium to cool the niobium alloy (4K), these methods are simpler and more economical. Once it is doped with carbon or other impurities, magnesium diboride in a magnetic field, or there is a current passing, the ability to maintain the superconducting is as much as niobium alloys, or even better.

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Chromium Diboride Powder

RELATED INFORMATION

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Product Name: Hafnium Carbide Powder

Brief Description of Hafnium carbide powder HfC: 

Hafnium carbide ( HfC) is a chemical compound of hafnium and carbon

With a melting point of about 3900 °C it is one of the most refractory binary compounds known.

However, it has low oxidation resistance, with the oxidation starting at temperatures as low as 430 °C

Hafnium carbide is usually carbon deficient and therefore its composition is often expressed as HfCx (x = 0.5 to 1.0). It has a cubic (rock-salt) crystal structure at any value of x

 Application of Hafnium carbide powder HfC:

1. Used for preparation of ultra-high temperature ceramics
2. The reactant in the synthesis of hafnium-containing organometallic polymers
3. Used as an additive in alloys
4. Used in coatings
5. Widely used in microelectronics, semiconductor, aerospace high-temperature resistant material, coating materials, ceramic materials, ceramic target material, etc.

Hafnium carbide Powder related Information

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Tungsten Carbide Powder

Product Name: Tungsten Carbide Powder

Brief Description of WC Tungsten Carbide Powder

Tungsten carbide powder (chemical formula: WC ) is a chemical compound (specifically, a carbide ) containing equal parts of tungsten and carbon atoms.

In its most basic form, tungsten carbide is a fine Gray powder, but it can be pressed and formed into shapes for use in industrial machinery, cutting tools, abrasives, armor-piercing rounds, other tools and instruments, and jewelry.

Physical Properties of WC Tungsten Carbide Powder

Tungsten carbide has a high melting point at 2,870 °C (5,200 °F), a boiling point of 6,000 °C (10,830 °F) when under a pressure equivalent to 1 standard atmosphere (100 kPa), the thermal conductivity of 110 W·m−1·K−1, and a coefficient of thermal expansion of 5.5 µm·m−1·K−1.

Tungsten carbide is extremely hard, ranking about 9 on Mohs scale, and with a Vickers number of around 2600.

It has Young’s modulus of approximately 530–700 GPa, a bulk modulus of 630–655 GPa, and a shear modulus of 274 GPa.

It has an ultimate tensile strength of 344 MPa, the ultimate compression strength of about 2.7 GPa and a Poisson’s ratio of 0.31.

Chemical Properties of WC Tungsten Carbide Powder

There are two well-characterized compounds of tungsten and carbon, WC and tungsten semi abide, W2C.

Both compounds may be present in coatings and the proportions can depend on the coating method.

At high temperatures, WC decomposes to tungsten and carbon and this can occur during high-temperature thermal spray, e.g., in high-velocity oxygen fuel (HVOF) and high energy plasma (HEP) methods.

Application of WC Tungsten Carbide Powder 

1 Used for Producing high capability nano-crystalline or superfine horniness alloy, hard-face abrasion-resistant spraying and petrochemical cracking catalyst;

2. Used for chipless forming tools; Cutting tools; Mining tolls; Nano-composites (for enhanced hardness, strength, and wear resistance);
3. Used for erosion-resistant coatings; wear-resistance coatings; Corrosion-resistant coatings; Wear-resistant parts
4. To produce hard carbide.

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Note: We supply different size ranges of Nano and micron as per the client’s requirements and also accept customization in various parameters.