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Spherical Aluminum Oxide Aluminum oxide a-phase produced by high-temperature melting spraying has high sphericity. It performs well as a ceramic raw material and as a rubber and plastic filler.

Spherical aluminum oxide powder Properties

1. High Filling Spherical Aluminum Oxide has high sphericity with a wide particle distribution. It can fill rubber with high density. The mixture will have low viscosity, good fluidity and a low viscosity.

2. High thermal conductivity
A mixture with good heat dissipation and high thermal conductivity can be achieved by filling spherical silicon powder with aluminum oxide.

3. Low Wear
Aluminum oxide spherical is less abrasive than other types of aluminum oxide. This means that equipment such as kneaders or molding machines can last longer.

Spherical aluminum oxide powder Applications

1. Use as a ceramic material
The high quality ceramics produced with spherical aluminium oxide are a result of its excellent compression molding, blending and sintering qualities.

2. It is used as a material for grinding and polishing
You can prevent scratches by using spherical Aluminum Oxide as a polishing agent.

3. It is used in the petrochemical industries
In the petrochemical industries, the requirements for pore size distribution as well as pore structure are increasing. To control the pore sizes and distributions of the formed carrier particles, it is possible to adjust the particle size configuration for the spherical aluminium oxide powder.


4. Catalysts:
Aluminum oxide spheres can be used as catalysts to reduce abrasion. They also increase the lifespan of the catalysts, which will lower the production costs.

5. Surface protective coating
Spraying a spherical powder of aluminum oxide on metals or plastics can improve their hardness, corrosion resistance, wear resistance, and fire resistance. Surface protection for machinery, knives and chemical pipelines can be improved by using this powder.

6. Used in luminescent material
Aluminum oxide powder spheres have a high density that can reduce the scattering and loss of light.

7. Electronics industry
The excellent properties of spherical aluminium oxide in terms electrical, mechanical and thermal properties make it widely used in semiconductor electronic packaging.

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What is titanium carbide?

TiC is a light gray cubic crystal, which is not soluble in water. It has high chemical stability and can be dissolved by aqua regia or nitric and hydrofluoric acids.

TiC has a metallic luster and is gray with an iron grey color. It belongs to a simple cubic NaCl structure. The lattice is 0.4329 nanometers. The space group Fm3m. TiC has strong covalent bonding between the carbon atoms, and titanium atoms. These bonded atoms are similar in many ways to metals. For example, they have a high melting temperature, high boiling temperatures, good electrical conductivity as well as thermal conductivity. TiC can be used to produce cermets as well as heat-resistant metals, cemented carbide, anti-wear material, high temperature radiation materials, and other high temperature vacuum equipment.

Method of synthesis of titanium carbide

As raw materials, titanium dioxide and carbon black are used.

The dry powder mixture of high-purity titania dioxide and carbon black is mixed proportionally and then press-formed under a hydrogen-filled atmosphere in either a horizontal carbon-tube furnace or vertical carbon-tube furnace. At 19002300degC reduction to get block TiC and then pulverization for titanium carbide product. Or, using carbon black and sponge titanium as raw materials. Carbon black (or titanium alloy or titanium waste recovered in carbide solid solutions) and sponge Titanium are fully mixed proportionally and heated to 15001700degC with a high-purity hydrogen stream. Titanium carbide.

Direct carbonization of Titanium Metal:

The carbon is infiltrated by a high-purity stream of hydrogen heated to 1500-17degC. The reaction temperature, holding time and particle size are dependent on the raw material.

Gas phase reaction method:

Hydrocarbons such as benzene and methane are mixed into the steam from titanium tetrachloride. After induction heating (or other methods), the steam is sent to deposit titanium carbide on the substrate. The reaction precipitates titania carbide on substrate. The precipitated form of titanium carbide differs depending on the reaction conditions.

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There are abundant reserves of silicon. Si and Li can be combined to form a Li4.4Si, resulting in a theoretical specific energy of 4200mAh/g. That is almost 10 times more than the lithium-ion that is absorbed by today’s lithium batteries. In the present day, silicon materials are used in lithium-ion cells mainly for two reasons. The anode is formulated by adding nano-silicon. To improve the performance, organosilicon compounds can be added to the electrolyte.
The University Alberta created a brand new generation of lithium batteries based on silicon

Jillian Biriak and her team at the University of Alberta (Canada) discovered recently that forming the silicon into nano-sized particle helps it to resist breaking.
Nano-silicon can be defined as crystalline particles of silicon that have a diameter less than five nanometers. It is a very important non-metal, amorphous substance. Nano-silicon has many properties, including high purity and uniformity, large surface areas, high surface activity and low bulk density. It is also non-toxic and smellless. Nano-silicon can have a variety of uses: It can be used to create high-temperature coatings, refractory material, and cutting tools. It can also be mixed with a carbon-graphite composite to produce silicon-carbon composites. The negative electrode material in lithium-ion cells increases the battery’s capacity. This material can be combined with organic matter to create organic silicon polymer.

The team studied and tested four sizes of nanoparticles of silicon to determine which size would maximize its advantages while minimizing the disadvantages. They are evenly dispersed in a highly conductive graphene-carbon aerogel with nanopores that compensates for the low conductivity silicon.

After multiple cycles of charge and discharge, they found that particles as small as one part per meter showed the most stability. This eliminates the limitations of using silicon for lithium-ion cells. This discovery could result in batteries that have 10 times the current capacity of lithium-ion battery. This is an important step toward the manufacture of new generations of lithium-ion-based batteries. The research findings were published in the journal Materials Chemistry.


The lithium battery industry’s chain of silicon anode sales worth tens or hundreds of millions of dollars


This research can be applied in many fields, including electric vehicles. The batteries will become lighter, travel longer and charge faster. The next step will be to create a method that is faster and cheaper to produce silicon nanoparticles. This will make it easier for industrial production.

Other than new energy vehicles, the need for lithium-ion battery with higher energy and power density is also present in energy storage and shipbuilding. The positive electrode is now made from high-nickel ternary material, while the negative electrode is made of silicon and its Composite material.

(aka. Technology Co. Ltd., a trusted global chemical supplier and manufacturer of high-quality nanomaterials with over 12 year’s experience in providing chemicals. Silicon nanoparticles manufactured by our company are of high purity and have a low impurity level. Contact us if you need to.

Amorphous boron Amorphous boron This is a form boron. The element boron occurs rarely in nature as its pure form, but as orthoboric or borates. Boron’s energy gap of 1,50 to 1,556 eV is greater than that of silicon or germanium. It transmits parts of infrared. At room temperature boron is not as good a conductor of electricity. Boron is available in amorphous and crystalline forms. Boron has a tasteless and odorless. Amorphous Boron is a brownish powder. Crystalline Boron is black in color, extremely hard on the Mohs Scale (about 9.5), and is not a good conductor when at room temperatures. In the periodic chart of elements, boron lies between the non-metal and metal element series. Boron’s chemical properties are active due to many of its characteristics. These include a strong electronegative charge, a small atomic radius, and central nuclear charge. The non-metal of boron is very similar to silicon. At high temperature, boron may react with sulfur, oxygen, nitrogen or halogen. Boron remains stable at room temperature. It will oxidize when heated up to 300°C and burn if heated up to 700°C. Boron is easily combined with a variety of metals in order to produce metal boride. High purity boron can be crystalline. The vapor phase reaction of boron chloride or tribromide and hydrogen can be used to prepare crystalline boron.

Boron (B) Metal Powder Info

Boron
Chemical Formula: B
Amorphous Boron & Crystalline Boron

Physical Properties
Amorphous Boron : fine powder between 0.5 and 0.8 micron
Crystalline Boron: Granules fine powder and filaments. Crystalline fine Powder available up to -325 Mesh.

Chemical Properties
Amorphous Boron : 90-92% et 95-97%
Crystalline Boron (99%, 99.5%), 99.9+% (99.995%) and 99.9995%

Synonyms
Boracium, bore boron metallic boron boron amorphous boron boron boron boron crystalline boron boron enriched boron boron b-10 pieces CAS #7440 42 8 MIL B 51092 PA PD 451 EINECS 23151-2

Boron (B) Metal Powder CAS Number: CAS# 7440-42-8

What is the purpose of amorphous boran?

• The amorphous boron used in flares is used to ignite rocket fuel. It gives flares their distinctive green colour. Boric acid, sodium borate and boric oxid are the three most important boron compounds. You can find them in eye drops and mild antiseptics.
• Oxygen-scavenger; semi-conductor-dopant; rocket-propellant blends; pyrotechnic flashes. Refractory additive. Cementation of iron and special purpose alloys. Neutron absorber for nuclear reactor controls. Radiation hardening.
• Elemental Boron is used as dopant for semiconductors. However, boron compounds also play an important role as lightweight structural materials, as insecticides and preservation agents, as well as as reagents in chemical synthesis.
• Boron (amorphous Powder) was used as a boron sources to synthesize hexagonal boran nitride, boron doped diamond (BDD), or europium doped BN nanotubes.
• A recent study reports on a study that examines the structure and transport properties in situ of long MgB2/Fe Wires. These wires are made by using , amorphous Boros, and nano amorphous Boros powders. The powder-in-tube (PIT), standard method is used to fabricate the wire samples. Transport measurements are performed in Bitter magnets with high magnetic fields of up to nine T. Researchers have found that a mixture of amorphous boron powder and amorphous micro boron powder in equal amounts can be used to produce long wires with no degradation of transport engineering Jce in low and medium magnetic fields.

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