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Tungsten Boride WB2 Powder CAS 12007-09-9

Item No.: Tr-WB2 Tungsten boride is a black powder, its physical properties are as follows: molecular formula WB2, with metal conductivity, soluble in aqua regia.Purity>99%Particle size: 10-20um

Overview of Tungsten Boride WB2:
Tungsten borides are compounds of tungsten and boron. Their most remarkable property is high hardness. The Vickers hardness of WB or WB2 crystals is ~20 GPa and that of WB4 is ~30 GPa for loads exceeding 3N.
The relative density of tungsten boride is 10.77 and the melting point is about 2900°C. It does not degrade water and can degrade aqua regia.

It is prepared by heating boron and tungsten powder to a high temperature.

Tungsten boride has comprehensive properties such as high melting point, high hardness and chemical stability. It is only a new superhard material with a high melting point. It is an important military bulletproof material.

For more than 50 years, it has been considered that the rich phase diagram of tungsten alloys, the structure of different phases is also ever-changing.

The highest boride is WB4, which has a three-dimensional grid structure of boron atoms. We put the first the principle calculation is combined with the thermodynamic stability, and the thermodynamic stability and mechanical properties of the possible structure of the tungsten carbide system are systematically studied:

The highest boride to identify tungsten should be WB3 composed of two-dimensional plane boron atoms, not WB4 composed of three-dimensional boron atom grids. It was found that the shear modulus in the borate system of tungsten transformed its formation energy. Increase, revealing that the mechanical properties are closely related to their thermodynamic stability.

Due to the free diffusion coefficient of WB2, the total synthesis of dense tungsten diboride is mostly achieved by sintering technology under high temperature and high-pressure conditions. In this way, it is reduced and the cost is too high; instead, because B will volatilize at high temperature.

Therefore, it is difficult to grasp the content of boron to prepare WB2 bulk materials directly from tungsten powder and boron powder.

It may also generate hypoborate during the sintering process, and compact bulk material with WB2 as the main phase cannot be obtained. Feel free to send an inquiry to get the latest price if you would like to buy Tungsten Boride WB2 powder in bulk.

How is Tungsten Boride WB2 produced?
1. Using metal tungsten and boron as raw materials, fully mix and grind the two, heat and react at above 1400 ℃ to obtain tungsten boride, continue to react to form W2B, and then cool and crush to obtain the product.

2. Tungsten is mixed with stoichiometric boron powder at a molar ratio of W: B=2:1 and sintered in a vacuum or argon atmosphere at 1200 to 1300°C to obtain two tungsten boride.

3. Use the solid phase method. Tungsten boride is prepared from metal tungsten and boron. The reaction formula is as follows. The stoichiometric metal tungsten powder and elemental boron are fully mixed, ground, and molded, and heated and reacted at a temperature above 1400°C to obtain tungsten boride. Continue the reaction to generate W2B, which is cooled and crushed to obtain the product.

Applications of Tungsten Boride WB2

Wear-resistant coating for wear parts and semiconductor thin film.
WB series compounds have a high melting point, high hardness, high conductivity, wear resistance, high-temperature resistance and corrosion resistance. They also have comprehensive neutron and gamma-ray shielding properties, so they are widely used in structural materials, wear-resistant materials, and electrodes. Materials and other fields. Tungsten boride is obtained by the direct reaction of metal tungsten and element boron heated by an electric furnace. It has the excellent properties of W-B series compounds and has broad application prospects in the future.

1 Prepare a workpiece with a tungsten boride-rich coating, including a workpiece substrate, and a tungsten layer, a tungsten boride gradient layer, and a tungsten boride coating that are sequentially arranged on the workpiece substrate; In the direction of the thickness of the tungsten layer, the boron content in the tungsten boride gradient layer gradually increases; the unique coating structure can make the bonding strength between the layers high, and the elastic modulus and thermal expansion between the layers The coefficient changes gradually from the substrate to the top film, reducing the overall coating stress to zero and improving the toughness and bonding force of the boride-rich tungsten coating.

2 To prepare a hard material of tungsten diboride, the method first uses a mechanochemical method to synthesize tungsten diboride powder at room temperature with high-purity tungsten (W) powder and boron (B) powder as raw materials, and then in argon Under a protective atmosphere, high-temperature sintering is used to densify the synthesized powder to produce a bulk material of tungsten diboride. This method can obtain compact tungsten diboride bulk material through sintering under normal temperature and pressure conditions. The prepared tungsten diboride bulk material has a series of excellent properties such as certain hardness, good stability and good neutron absorption effect. It has a wide range of applications in corrosion-resistant materials, cutting tools, and new shielding materials.

Cobalt Phosphide Co2P Powder

Company Profile

NANOTRUN(www.rboschco.com) is a trusted global chemical material supplier & manufacturer with over 12-year-experience in providing super high-quality chemicals and nanomaterials, including boride powder, nitride powder, graphite powder, sulfide powder, 3D printing powder, etc.
The company has a professional technical department and Quality Supervision Department, a well-equipped laboratory, and equipped with advanced testing equipment and after-sales customer service center.
If you are looking for high-quality Tungsten boride WB2 Powder, please feel free to contact us or click on the needed products to send an inquiry.

Cobalt Phosphide Co2P Powder

Storage Condition of Tungsten Boride WB2 Powder

The damp reunion will affect InP powder dispersion performance and using effects. Therefore, indium phosphide InP powder should be sealed in vacuum packing and stored in a cool and dry room; the indium phosphide can not be exposed to air. In addition, the InP powder should be avoided under stress.

Packing of Tungsten Boride WB2 Powder

Vacuum packing, 100g, 500g, or 1kg/bag, 25kg/barrel, or as you request.

We have many different kinds of packing which depend on the quantity.

Cobalt Phosphide Co2P Powder

Payment Methods of Tungsten Boride WB2 Powder

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

Shipment of Tungsten Boride WB2 Powder

By sea, by air, by express as soon as possible once payment receipt

FAQ

What is the melting point of WB2?

Answer: The melting temperatures of W2B, WB and WB2 are 2670, 2655 and 2365 °C, respectively.

What is the hardness of tungsten diboride?

Answer: The Vickers hardness of WB or WB2 is about 20 GPa for crystals with a load exceeding 3 N, and about 30 GPa for WB4. Tungsten boride has comprehensive properties such as high melting points, high hardness, and chemical stability.

What is the hardness of boride?

Answer: The results of Yan et al. (2001) showed that the hardness of the boride layer decreased from 1858 HV (obtained at room temperature) to 350 HV at a temperature of 973 K.

Tungsten Diboride Properties
Other Names	tungsten boride, WB2 powder, tungsten boride WB2
CAS No.	12007-09-9
Compound Formula	WB2
Molecular Weight	205.5
Appearance	Gray Black Powder
Melting Point	2365 °C
Boiling Point	N/A
Density	N/A
Solubility in H2O	N/A
Vickers Hardness	20 GPa
Exact Mass	205.969544 g/mol


Tungsten Diboride Health & Safety Information
Signal Word	N/A
Hazard Statements	N/A
Hazard Codes	N/A
Risk Codes	N/A
Safety Statements	N/A
Transport Information	N/A

Breakthrough technological innovation: Indium oxide powder enhances the performance of next-generation touch screens

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Aug 13

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Aug 08

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Aug 01

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Unveiling the Miracle of Silicon Nitride (Si3N4) Powder: A Game Changer for Advanced Materials

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Revolutionary Technology of Aluminum Nitride (AlN) Powder: The Next Big Event in Advanced Materials

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Jul 10

2024

Innovation in Materials Science: Spherical tungsten powder occupies a central position

In the constantly evolving world of advanced materials, a product has quietly changed the industry from aerospace to medical devices - spherical tungsten powder. This carefully crafted material, with its unique performance and multifunctional applications, is now at the forefront of technological progress. Spherical tungsten powder is a special form of tungsten known for its high density, excellent mechanical properties, and high melting point. Unlike traditional powders that typically exhibit irregular shapes and sizes, spherical tungsten powders have uniform spherical particles and several advantages over traditional powders. These measures include improving fluidity, reducing the porosity of the final product, and exhibiting excellent sintering characteristics. Spherical tungsten powder Spherical tungsten powder is manufactured using advanced gas atomization technology to ensure consistent particle size distribution, making it an ideal choice for additive manufacturing processes such as 3D printing. Its use in these processes enables the creation of complex geometric shapes with high precision and strength, which traditional manufacturing methods previously could not achieve. The aerospace sector has always been one of the main beneficiaries of spherical tungsten powder. Due to its high density, this powder is used to produce balance weights for aircraft components, ensuring stability and efficiency during flight. In addition, this powder can withstand extreme temperatures, making it a critical component for engine components and radiation protection. In the medical field, spherical tungsten powder is used for radiation shielding, especially in the development of high-quality X-ray and CT scanning equipment. Its radiation absorption characteristics make it indispensable in creating a safer environment for patients and healthcare workers. In addition, this powder plays an important role in the manufacturing of medical implants, and its biocompatibility and strength contribute to successful surgical outcomes. The recent headline news reveals a groundbreaking collaboration between leading aerospace manufacturers and tungsten powder producers. This partnership aims to develop next-generation aircraft components using spherical tungsten powder, with the goal of achieving unprecedented levels of fuel efficiency and performance. Experts predict that this may mark a new era in aviation technology, laying the foundation for innovation in future commercial and military aircraft design. In addition, medical researchers have announced promising preliminary results in the targeted treatment of cancer using spherical tungsten powder. By encapsulating chemotherapy drugs in tungsten microspheres, doctors can directly deliver treatment to the tumor site, minimizing side effects and improving treatment effectiveness. With continuous innovation in the industry, the demand for high-quality spherical tungsten powder is expected to increase. With its outstanding performance and continuously expanding application range, this material is expected to play a key role in shaping the future of various industries. Please continue to follow us on the latest developments in the world of advanced materials, where spherical tungsten powder is at the forefront. About RBOSCHCORBOSCHCO is a trusted global chemical material supplier & manufacturer with over 12 years experience in providing super high-quality chemicals and Nanomaterials. The company export to many countries, such as USA, Canada, Europe, UAE, South Africa,Tanzania,Kenya,Egypt,Nigeria,Cameroon,Uganda,Turkey,Mexico,Azerbaijan,Belgium,Cyprus,Czech Republic, Brazil, Chile, Argentina, Dubai, Japan, Korea, Vietnam, Thailand, Malaysia, Indonesia, Australia,Germany, France, Italy, Portugal etc. As a leading nanotechnology development manufacturer, RBOSCHCO dominates the market. Our professional work team provides perfect solutions to help improve the efficiency of various industries, create value, and easily cope with various challenges. If you are looking for Spherical tungsten powder, please send an email to: sales1@rboschco.comHot tags:semiconductor, semiconductor material

Jul 09

2024

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