Hafnium Boride

Hafnium Boride powder is an inorganic compound powder consisting of hafnium (Hf) and boron (B) with high melting point, high hardness, good electrical conductivity and chemical stability.

Properties

Appearance: grey crystal with metallic luster

Crystal structure: belongs to the hexagonal crystal system

Density: relatively high density, about 10.5g/cm³.

Melting point: Melting point is very high, usually 3380℃ (some data show that it is about 3250℃), it is a kind of excellent high temperature resistant material.

Stability: chemically stable, almost non-reactive with all chemical reagents except hydrofluoric acid (HF) at room temperature.

Oxidation resistance: good oxidation resistance in high temperature oxidation environment, can be used as anti-corrosion materials

Electrical properties: high electrical conductivity, this characteristic makes it has certain application potential in the field of electronics, electrical and so on.

High hardness: Has a high hardness, making it suitable for wear-resistant coatings, cutting tools and other areas that require high material hardness.

High modulus: Having a high modulus means that the material has a good ability to resist deformation when subjected to force.

Applications

Aerospace:

Thermal protection systems: Hafnium boride has an extremely high melting point (approx. 3380°C), high hardness, high modulus, good thermal conductivity and resistance to oxidation, making it ideal for aerospace thermal protection systems. For example, in the nose cone, wing leading edge, engine blades and other parts of high-speed aircraft, it can withstand high temperature, high pressure and high-speed airflow, effectively protecting the structural safety of the aircraft.

High-temperature structural materials: can be used in the manufacture of key parts of aircraft engines, such as turbine blades, combustion chambers, etc.. In a high temperature environment, parts made of hafnium boride powder can maintain high strength and stability, improving the performance and reliability of the engine.

Defence military field:

Anti-burnout materials: in missiles, rockets and other weaponry, hafnium boride powder can be used as an anti-burnout material for the manufacture of warheads, rocket nozzles and other components. During high-speed flight, these components will face extremely high temperatures and pressures, hafnium diboride can effectively resist ablation, to ensure the normal operation of weaponry.

Armour materials: using its high hardness and high strength properties, hafnium boride can be used as an added component of new armour materials to improve the protective properties of armour and enhance resistance to attacks such as projectiles and shrapnel.

Nuclear industry field:

Neutron-absorbing materials: hafnium boride has good neutron-absorbing properties and can be used in control rods of nuclear reactors, shielding materials and nuclear waste storage containers. It can effectively absorb neutrons, control the rate of nuclear reactions and ensure the safe operation of nuclear reactors.

Coating of nuclear fuel elements: as a coating material for nuclear fuel elements, hafnium boride can improve the high temperature resistance and corrosion resistance of fuel elements and extend the service life of nuclear fuel elements.

Electronics industry:

Electronic packaging materials: due to its high thermal and electrical conductivity, hafnium diboride can be used as an electronic packaging material for packaging high-power electronic devices. It can effectively dissipate heat and improve the performance and reliability of electronic devices.

Electrode materials: in some special electronic devices, such as high temperature electrodes, discharge electrodes, etc., hafnium boride powder can be used as electrode materials with good electrical conductivity and high temperature resistance.

High-temperature ceramic field: it is a very promising candidate for high-temperature ceramics, which can be used to manufacture high-temperature kiln linings, crucibles, ceramic knives and so on. Its high melting point and good chemical stability can ensure normal use in high-temperature environments and improve the service life and performance of ceramic products.

Coating material field:

Wear-resistant coating: Hafnium boride coating with high hardness and good wear resistance can be applied to the surface of mechanical parts, cutting tools, moulds, etc. to improve their wear resistance and service life.

High-temperature protective coatings: equipment and components working in high-temperature environments, such as petrochemical equipment, heat treatment equipment, etc., the use of hafnium diboride coatings can play a good protective role in preventing the equipment from high-temperature corrosion and oxidation.