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Magnesium diboride (MgB2) This is a compound that has a hexagonal crystalline structure. It is a type of compound that has alternating layers between magnesium and boran.
Researchers have found that the temperature at which magnesium boride transforms into a high-temperature superconductor is slightly below the absolute temperature of 233degC (40K). Its temperature of transition is about twice as high compared to other superconductors.

Many practical applications already exist for superconductivity such as magnetic levitation and medical imaging. Superconductors can be used in many other fields of technology, including medical imaging and magnetic levitation trains.

Magnesium diboride (MgB2) has been a magnet for researchers ever since it was discovered. It is a superconductor which offers many advantages. Magnesium Boride is an easy-to-process, lightweight material that can be produced from a variety of pre-materials. Its low cost allows it to be used in many applications.

Superconductors are characterized by their critical current densities (Jc). However, it’s very difficult to increase MgB2’s Jc in an economical manner.

Researchers from Shibaura Institute of Technology, Japan, published an article in the journal “Materials Science and Engineering : B”. The paper describes how ultrasonic treatments can be used to improve mass. MgB2Jc.

The method used is to use ultrasonic wave to completely disperse boron. The hexane can then be vaporized and removed to obtain a fine powder, which will then be sintered with the magnesium to create magnesium boride.

Researchers produce bulk magnesium-boride that is of high quality and does not contain any oxidizing impurities. The Jc values increased between 20% and 30% depending on the time of sonication.
In addition, scanning electron microscope and energy dispersive-X-ray spectrum results revealed a secondary mechanism that could lead to an enhancement of Jc. The team discovered a layered structure on the boron-deficient por walls. This appeared to consist of a magnesium boronoxide coating.

Researchers say that this will reduce the cost and technical difficulty of superconductors. It will also make it easier to use for the public, particularly in the medical sector.

Tech Co., Ltd. is a professional magnesium diboride powder With over 12 year experience in chemical product research and development. We accept payment by Credit Card, T/T (West Union), Paypal, West Union or T/T. The goods will be shipped to overseas customers via FedEx or DHL.

You can contact us for high quality Magnesium Diboride Powder. Contact us Send an inquiry.

Nano-manufacturer (aka. Technology Co. Ltd. summarized specific applications of Nanosilica after years exploring Nano-powders.
Plastic
Nano-silica Light-transmissive with a smaller particle size. This can make plastics dense. When silica is added to polystyrene, it improves the film’s transparency, strength and toughness, as well as its waterproofing and anti-aging capabilities.

Rubber
Rubber is an excellent elastomer that has good stretchability. However, its overall performance isn’t satisfactory. Carbon black is added to rubber to improve its strength, wear-resistance, and ageing resistance. Carbon black is added to rubber, but this results in a black product. The grade of the product is low. The introduction of nano-SiO2 to China has provided a solid material base for the production of new rubber products that have novel colors and high performance.
When rubber is treated with nano-SiO2, its abrasion, tensile, flexural, and ageing resistance all improve. Its color also becomes brighter, and color retention effects are excellent.
Dye
Organic dyes may have vibrant colors and strong tinting powers, but they are not as resistant to light, heat, solvents, or migration than inorganics. Addition of nano-SiO2 to organic dyes improves their anti-aging and brightness properties.

Ceramics
Using nano-SiO2 Instead of adding traditional Nano-additives to ceramics, the particles can also be used as second-phase particles. This not only increases the toughness and strength of the ceramic but also its hardness and elastic modulus. The performance is better and the effect is more optimal than traditional Nano
additives.
By using nano-SiO2 in the composite of ceramic substrates, not only is the density, toughness, smoothness, and smoothness improved, but the sintering heat is also reduced. The application of nano-SiO2 to ceramic products, such as ceramic filter and corundum ball is also very important.

Sealant Adhesive
Sealants, adhesives, and other important products are widely used and have many applications. This requires the right conditions in terms of product viscosity (liquidity), curing speed, and cure time. Nano-materials have been used as modifiers in many foreign products. Nano-SiO2 has become the most popular. It is mostly coated with an organic material to make nano-SiO2 more hydrophobic, and then added to the sealant. It is formed quickly by the Nano-SiOX, that is the small Nano particles, forming a network to slow down the flow colloids. A small nano-SiO2 size increases both the sealing and the impermeability.

Glass Product
The FRP materials are light, have high strength and corrosion resistance but have poor wear resistance. Scientists use ultrasonic dispersion to add nano-SiO2 into the gel coat resin. They then compare the performance of the gel without the nano-SiO2. nano-SiO2 Wear resistance has increased 1 to 2 fold. Nanoparticles are grafted and bonded to organic polymers, increasing the material’s toughness. Tensile strength and Impact strength increase by 1 times. Heat resistance is greatly improved as well, as mentioned above.


(aka. Technology Co. Ltd. has over 12 years experience as a supplier & manufacturer of high-quality chemical materials and nanomaterials. The nano-SiO2 Please note that the products produced by our company are of high purity and have low impurity content. Please. Contact us if necessary.

Silicon nitride The chemical formula is: The chemical formula of sulfate is as follows:
This can be done with diimine.

Or, use the carbothermal reduction to synthesize under an atmosphere of nitrogen at 1400-1450degC.

In the 1950s the method of nitriding a silicon elemental powder was discovered. It was also the first method to mass produce silicon nitride. The silicon nitride powder will be impure if the quality of the silicon is low.
The diamine method produces amorphous silicon nitride, which must be further annealed in nitrogen at 1400-1500degC before it can become a powder. Diamine decomposition is currently only relevant in the commercial production of Silicon Nitride.
The most efficient and cost-effective way of producing silicon nitride is through the carbothermal reaction.
Electronic grade silicon nitride The film is made by either chemical vapor deposited or plasma enhanced chemical-vapor deposition:

3SiH4(g) + 4NH3(g) -Si3N4(s) + 12H2(g) 3SiCl4(g) + 4NH3(g) -Si3N4(s) + 12 HCl(g) 3SiCl2H2(g) + 4NH3(g) -Si3N4 (s) + 6 HCl(g) + 6H2(g)

Two methods are available to deposit Silicon Nitride on a Semiconductor Substrate:
1. Use low pressure chemical vaporization technology using a tube furnace, either vertically or horizontally.
2. The plasma-enhanced vapor deposition technique is used under vacuum conditions of relatively low temperature.
The unit cell parameter of silicon nitride is different than that of elemental Silicon. Dependant on the deposition technique, the silicon nitride generated film can either generate tension, or stress. Adjusting the deposition parameter is a great way to reduce tension, especially when using plasma enhanced chemical vapor technology.
To obtain silicon nitride, the first step is to prepare silica using the sol-gel process. Next, the silica containing ultrafine carbon particles will be processed with the carbothermal method of reduction, followed by nitridation. The ultrafine carbon particles are formed by the decomposition glucose at temperatures between 1200 and 1350degC. The reactions which are part of the synthesis can be:

SiO2(s), C(s), SiO(g), CO(g), Si3N4 (s), + CO2(g), or SiO2(s), C(s), SiO2(g), 2N2g, 3CO(g), Si3N4s + CO2g, 3CO2g.


Processing silicon nitride block
Silicon nitride As a granular product, it is difficult to work with. It can’t be heated higher than its melting point (1850degC) because silicon nitride would decompose to silicon and nitrogen. Hot press sintering is no longer acceptable. By adding sintering aids and binders, the silicon-nitride can be bonded into a solid material. Due to the necessity of adding binders or other sintering aids to the material, impurities will be introduced. Another method to produce purer bulk material is spark plasma sintering. The compacted powder will be pulsed within a short period of time (a few seconds). This method works at temperatures between 1500degC and 1700degC. The temperature at which you want to obtain compact and dense lumps of silicon nitride.

(aka. Technology Co. Ltd., a trusted global chemical supplier & manufacturer has over 12 years experience in providing super-high-quality chemicals & Nanomaterials. The silicon nitride Please note that the products produced by our company are of high purity and have low impurity. Please. Contact us if necessary.

What is tungsten metallic powder? Metal tungsten, in the form tungsten powder, is a material used to make tungsten processing materials and alloys. Metal tungsten (tungsten powder) is a grayish-black metal with a metallic sheen. The melting temperature is 3400degC. The boiling temperature is 5555degC. Among metals, tungsten has the highest hardness. The hardness ranges from 200-250 for sintered bars, and 350-400 when hammer-hardened tungsten. In a mix of hydrofluoric, nitric and sulfuric acids. Melt the mixture of sodium chloride and sodium carbonate.

What are the uses of tungsten?
Tungsten Powders can be used for the creation of proprietary alloys, and other products. The majority of industrial metals today, including steel, aluminum, and copper, can be produced by melting in a mold and casting.

Chemical purity is a high priority in the production process of tungsten and cemented carbide products. The impurity levels in the tungsten have an effect on the processing and use of the product. When APT is used as a raw material for the production of tungsten, direct contact with the calcination furnace tubes, boats etc. causes an increase in impurities like Fe, Ni and Cr. This results in a decrease of chemical purity. These impurities are brought into the process by raw materials. Others are created when the material from the boat or the reduction furnace tube falls off. Once they have reached a certain size or content, or if they aggregate in a large amount, they can become a cause of defects during subsequent processing.

What are the uses of tungsten?
Current uses of tungsten include electrodes, heating element, field emitters and filaments used in cathode tubes and light bulbs. Tungsten can be found in high-speed steel and other heavy metals. This is where cutting tools are made. It’s also used in’superalloys” to form wear resistant coatings. How is tungsten a powder made?
The hydrogen reduction of tungsten oxides produces a high-purity powder. Oxides are produced using ammonium para tungstate (APT). Starting materials tend to include tungsten trioxide and blue tungsten oxide. The unique method of producing tungsten powder is to reduce tungsten oxidation using hydrogen.

Is Tungsten a metal?
When made into a powder, tungsten can spontaneously ignite. Natural tungsten consists of five stable and 21 other unstable radioactive isotopes. Tungsten has many uses because it is strong and durable.

Tungsten, a dull, silver-colored metal has the highest melting point among all pure metals. Also called Wolfram (from which it gets its symbol of W), tungsten has a higher melting point than any other pure metal. It is also more resistant to breaking than diamonds and is harder than stainless steel.

Tungsten is stronger or steel?
Tungsten is the hardest metal on earth. Tungsten is 10 times as hard as 18K Gold and 5 times as hard than tool steel. It’s also 4 times harder that titanium. Tungsten measures 8 to 9 on the Mohs Hardness Scale. Diamonds have a Mohs hardness rating of 10.

Tungsten: Is it toxic to human beings?
Tungsten is the subject matter of numerous in vitro and ex vivo experiments in order to determine its toxicity and metabolic profile. The tungsten compound and tungsten itself are not toxic to humans. Most of the information on human toxicology comes from chronic occupational exposition.

James Wade exchanges tungsten tools for NHS staff and keyworkers

James Wade, multiple major James Wade, swapped his tools for garage tools in order to keep Britain’s key workers on the move during the Covid-19 pandemic. James Wade switches tungsten to tools in order to help NHS workers and keyworkers

Wade, a mechanic with a qualification, now works in the garage of his Aldershot home to keep NHS workers and other key workers moving during this difficult period. The 37-years-old, who has been working as a mechanic for many years, founded Precision Auto Services in 2012 with his father Martin.

Wade now offers a discount of 20 percent for NHS and emergency staff as a token of appreciation for all their hard work.

Wade, a recent competitor in the PDC Home Tour competition, has cut back on his practice to be able to perform key repairs on vehicles owned by key workers within his locality.

Wade, also known as ‘The Machine,’ has been a long-time advocate of automobiles. The number plate on the back his shirt is a unique design.

Wade is a patron for the Bipolar UK charity. He said, “To stay in the right frame, I work on my cars. That’s my passion.”

“I am happiest when I’m in the garage. No one is there to judge me, except for myself.

“When I recognize someone, they often ask me if I worry about hurting my hands – but, I tell them that if this happens, I will not stop living. I am doing this because it is fun.

“It is a great feeling to finish a day of hard work in the garage. It is even better when you get home and have dinner with your wife, while kicking back on the couch.

Wade joined PDC in 2004, and went on to be one of the most accomplished players in modern sport history. Wade has claimed nine major titles in total, including World Matchplay, Premier League and the UK Open as well as World Grand Prix two times.

The world number 8 won five ranking titles this year, taking his total PDC titles to an impressive 35.

(aka. Technology Co. Ltd., a trusted global chemical supplier & manufacturer has more than 12 years of experience in supplying super-high-quality chemicals & Nanomaterials. Currently, we have developed a number of materials. The tungsten metal produced by our company is of high purity with fine particles and low impurities. Contact us if you have any questions.

What is nanopowder? Nanopowder It is also known as nanoparticle and refers to ultrafine particle sizes between 1nm and 100nm. Some people refer to it as ultrafine particle. It is bigger than atomic particles and smaller than normal particles. Nanoparticles are absorbed into the human body by the outer layer, such as the skin or the lungs. The amount of migration they undergo from the exterior to the internal depends on their physical and chemcial properties. What’s the difference between nanomaterials & nanoparticles
Nanomaterials Refers to materials that are in the nanoscale (1nm100nm), in at most one dimension, in three-dimensional spaces or composed of basic units. The particle diameter of 10 nanometers contains 4000 molecules and the surface-atoms are 40%. For the same particle, the diameter of 1 nanometer contains 30 molecules and surface-atoms are 99%.

Introduction of Nano Cobalt Powder
Nano cobalt is a powder that can be gray, black or spherical. Cobalt Nanoparticles can be used for a variety applications, such as sensors, imaging and more. Cobalt is classified as a hazardous material and can cause skin allergies. They’ve also been tested and inhalation may cause asthma symptoms or breathing difficulties.
Cobalt nanoparticles, also known as spherical metal particles, are produced by laser evaporation. Cobalt does not have a high abundance, but it is widely dispersed throughout the earth’s atmosphere and rocks.

Applications of nanocobalt particles
1. Medical sensors
2. Biomedical imaging using magnetic resonance imaging
3. Agents of targeted drug delivery for cancer treatment
4. Coatings for textiles, high-performance magnetic record materials, and nanofibers or nanowires
5. As a magnet fluid: nanoparticles containing iron, cobalt or nickel alloys.
6. Materials that absorb microwaves
7. Cobalt dioxide particles are also used in military applications. They can be used as high-performance, invisible materials which absorb ultra-high-frequency (EHF), millimeter-waves (MMW), visible and infrared lights.

How to store Nano Cobalt Particles
Powder will agglomerate if it is stored in an environment that is humid. It should therefore be vacuum packed and kept in a place where the air is dry. Customers can customize the packaging to meet their needs.

Price of nano cobalt particle
(aka. Technology Co. Ltd., a trusted global chemical supplier & manufacturer has over 12 years’ experience in providing super-high-quality chemicals & Nanomaterials. Our company is currently developing a range of powder materials. Our OEM service is also available. If you’re looking for Nano cobalt powder Please contact us. Please click on Needed products Send us a message.

What is tungsten carbide? Tungsten carburide (chemical symbol: WC), is a carbide containing equal amounts of tungsten (WC) and carbon (C). The most basic form is a fine gray dust, but can be shaped through a sintering process. It’s used in industrial machinery and cutting tools as well as abrasives.

Is tungsten carbide better than tungsten?
Tungsten carburide is a dense, grayish-blue metal that decomposes instead of melting at 2600degC. It is made by heating tungsten powder with carbon black in the presence or hydrogen at temperatures between 1,400deg-1600degC.
Tungsten carburide is similar to tungsten in many ways, including its durability, strength, high melting point and other characteristics. However, it is an improved metal. Tungsten is Mohs 7.5. Tungsten carbide has a high scratch resistance of Mohs 8-9, and is used as the hardest metal in jewelry.

Does tungsten carbide have a higher strength than steel?
When tungsten is combined with a carbide, the chemical formula for WC, it can rival diamond as the hardest known material. Its impact resistance, toughness and scratch/scratch/erosion resistance are excellent, and its service life under extreme conditions is 100 times that of steel.

Tungsten carbide is the hardest metal on earth. Tungsten-carbide jewelry is comparable to gold and platinum, and it is also lightweight and moderately priced. Tungsten’s hardness means it will not bend. This will prevent the ring from deforming unexpectedly, and causing further damage to your finger. The top tungsten carbide ring won’t lose its shine.

Why are tungsten carbid rings so cheap?
Because of the reduced amount of labor, tungsten ring prices are low. This will cause a drop in the level of precision and maintenance in ring production, which in turn will affect quality. How do you verify that the tungsten-carbide ring is genuine?
To test your ring, try to mark and apply it. If the ring resists marking it will be good. If it becomes dirty quickly and loses its luster in a matter of minutes, the quality is low.

The high hardness, durability and strength of tungsten carbide, as well as its high melting point, have many applications in our daily lives. There are many other benefits of tungsten carbide than just rings.

1. The tungsten carbide brake system has been changed by Porsche
The rotors coated with tungsten carbide will perform better, wear less, produce less brake dust, and have no rust.

The brake discs in most modern vehicles are made from carbon ceramic or cast iron. Porsche, however, has implemented a new brake disk made from tungsten carbide. This will revolutionize this industry.

The Porsche Surface Coated Brake, or PSCB is an iron brake rotor which has been coated with a layer superheated tungsten carbide at an extremely fast speed. The result is a thick, dense coating of material with a 0.1-mm thickness. Porsche claims that despite the thinness of the useful materials, the rotor’s service life is 30 percent longer than an iron one.

Jason Fenske is also a contributor for Road and Track who said that the brake dust generated by PSCB was reduced by around 90% because the rotors wear very little during their lifetime. The tungsten carbide can also lower the temperature of the rotor after repeated hard braking.
2. EDC gear with tungsten carbide (hardness 3.5 times greater than titanium) will allow the entire service lifetime

The hardest metal known to mankind, titanium, is only 3.5 times as hard as tungsten. It’s like black gold for EDC. Any gear can be coated with tungsten carbide. It is black and shiny like obsidian. They are almost invincible. Wingback’s Black Steel products were designed Alasdair MackLaine, and they have three features that are not yet at the minimum requirement. You will find them indispensable in your daily life. The bullet-sized cache key can be used as an emergency money storage on the keychain. A mechanical pen in a large, comfortable design will also become your last pen.

MacLaine’s hip flask 100ml has the same design of cylindrical lathe as the other products. This hip flask is unique in its appearance and functionality, thanks to the baton-shaped design. It can be used as a corkscrew and for storing liquids.

All Black Steel Products are manufactured by precision stainless steel lathes in the UK. A revolutionary process, called magnetron spraying, is then used to coat a magical tungsten-carbide surface with 3um of thickness. Due to the steel structure underneath the black coating, the black material still retains a high gloss. You can laser engrave personalized and customized inscriptions onto your products, revealing shiny steel underneath the black coating. (aka. Technology Co. Ltd., a reputable global chemical supplier & manufacturer has over 12 years experience in providing ultra-high-quality chemicals and nanomaterials. The Tungsten carbide powder produced by our company is of high purity and fine particle size. Contact us if you need to.