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What is Borides Powder?
The boron is combined with metals or non-metals. It is usually a mesenchymal material and does follow the valence laws. Except for zinc (Zn), cadmium (Cd), mercury (Hg), gallium (Ga), indium (In), thallium (Tl), germanium (Ge), tin (Sn), lead (Pb), bismuth (Bi).
Borides powder can be formed from other metals. These crystals are hard and have melting points. Chemically stable, they cannot be dissolved with hot concentrated nitric. They can be combined directly with elements, or by reducing oxides and active metals. They can be used as superconducting and refractory materials.
Boron, a light metal, forms Borides Powder with the transition metals. The compounds with high melting point are formed from elements in groups IVA and VA. The structural characteristics of the boric atom determine the crystallographic structure of boride. Borides Powder’s chemical stability gradually decreases as it moves from IVA towards VIA. Borides Powders TiB2, ZrB2, or HfB2 are the most stable.
Boride Powder crystal structure
Between boron atoms, a lattice of borides is formed. This lattice contains structural units that are single bonds or double bonds as well as networks and spatial frames. The more boron is present in a boride, the more complex the structure unit.
In general, the more complex boron’s atomic structure, the less likely boron is to be hydrolyzed. It also has a stronger resistance to oxidation and nitrogen.
The transition metal Borides Powder has a chemical bond that is an electronic one. This means the boron becomes a positively-charged ion.
Borides Powder: Preparation methods
Borides Powders are made primarily by melting refractory metals.
1.The reaction formula between metal and boron at high temperature is
Reducing metal oxide and boric acid with carbon is
Aluminum (silicon, Magnesium) Thermal method. Aluminium or silicon, magnesium reduces the oxides to generate metals and boron.
MeO+B2O3+AI(Si,Mg )—MeB+Al (Si or Mg) Oxide
Reducing metal oxides by boron carburide and carbon
Reduce refractory metal oxides by using boron
Borides Powder: Use and nature
Boride has high conductivity as well as high melting points, hardness and stability. Boride also has a relatively high thermal resistance and conductivity. The oxidation resistance at high temperatures of boride metal is based upon group IVB. Boride has the highest oxidation resistance.
Borides Powder do not react with humid air and dilute hydrochloric acids, but they do dissolve in nitric. Borides Powders are a mixture of metals and plastics. They have high conductivity, and a positive coefficient of thermal resistance. Borides Powders Ti, Zr, Hf, and Zr have better conductivity compared to their metals.
The creep resistance is excellent, which makes it a good choice for materials used in gas turbines or rockets. They can also resist deformation and corrosion and heat shock. Borides Powder, carbides, nitrides, or other alloys based on these materials can be used as sample holders for high temperature material testing machines and instruments, bearings, structural parts for nuclear energy devices, and components for aviation equipment.
(aka. Technology Co. Ltd., a global chemical supplier & manufacturer that has over 12 year’s experience in the production of super high-quality nanomaterials and chemicals. Borides Powder is produced by our company with high purity, fine particles and low impurity content. Please.