Hafnium Nitride

Hafnium Nitride powder is a compound powder made of hafnium element and nitrogen element, which is grey or black in colour, with high hardness, high melting point and good chemical stability, and has a wide range of applications in many fields, such as high temperature, wear-resistant and superconducting materials.

Characteristic

Chemical formula and molecular weight: chemical formula is HfN, molecular weight is 192.49.

Chemical stability: Hafnium Nitride is quite stable at room temperature, but it is easily corroded by strong acids such as aqua regia, concentrated sulphuric acid and hydrofluoric acid.

Colour and appearance: Hafnium Nitride powder is usually grey or brownish grey powder.

Crystal structure: cubic crystal structure

Melting point: up to 3310℃, belongs to high melting point substance, has good high temperature resistance.

Hardness: microhardness is 16GPa, high hardness, is a kind of hard material.

Density: about 13.2g/cm³.

Specific surface area: the specific surface area is large in powder state, with high surface activity.

Conductivity: Hafnium Nitride has a certain degree of electrical conductivity and has potential applications in the field of electronics.

Thermal conductivity: Hafnium Nitride has good thermal conductivity and can be used in applications requiring good thermal conductivity, such as heat transfer in high temperature environments.

Applications

Tool Coating: Due to its high hardness, excellent wear resistance and high temperature stability, Hafnium Nitride can be applied as a protective coating on cutting tools, which can extend the life of the tool, improve cutting efficiency and machining quality, and is suitable for metal machining scenarios that require high hardness and wear resistance.

Ceramic material: It is an important component in the manufacture of high-performance ceramics, used in the production of high-temperature and wear-resistant ceramic products, such as parts used in high-temperature furnaces, ceramic bearings, etc., with good performance in extreme environments.

Semiconductor: Due to its high thermal stability and low resistivity, Hafnium Nitride can be used as electrode material or diffusion barrier layer in semiconductor devices, which helps to improve the performance and reliability of semiconductor devices.

Transistors: It has potential applications in the manufacture of high-performance transistors, and can meet the high requirements of transistors on materials, such as high electrical conductivity and high thermal conductivity.

Optical field: Hafnium nitride nanofilm is expected to be an efficient protective coating material for optical window penetration enhancement due to the simultaneous integration of a variety of excellent mechanical, thermal, and optical properties, which can be applied to key optical devices in aerospace.

Cemented Carbide Additives: Hafnium Nitride, as an additive for cemented carbide, can improve the hardness, strength and wear resistance of cemented carbide, making it suitable for the manufacture of a variety of cutting tools, drills, moulds and so on.

Protective coatings: can be used to form protective layers, chemically inert films, and protective films for high temperature resistance in technical and decorative fields, such as preparing protective coatings on the surfaces of some parts that have high requirements for corrosion and high temperature resistance of materials.