Hafnium powder:  Properties and applications of high melting point metals

Properties of hafnium powder

Hafnium powder, also known as hafnium, is a silvery-white rare high melting point metal belonging to the zirconium group. In nature, hafnium often coexists with zirconium and hafnium ores.

1. High melting point and hardness: at room temperature, hafnium is a solid with high melting point and hardness. Its melting point is as high as 2280℃ and its hardness is 5 times that of steel. This characteristic gives hafnium excellent corrosion and high temperature resistance in high temperature applications.

2. Good electrical properties and chemical stability: Hafnium powder is an excellent metal material for vacuum tubes and an important material for making semiconductor devices. Due to its high atomic number, hafnium powder is also used in the manufacture of high-density memory devices. In addition, it also has good electrical properties and chemical stability.

Uses of hafnium powder

Due to its high melting point, high hardness, good electrical properties and chemical stability, hafnium powder has a wide range of applications in many fields:

1. High temperature applications: Due to its high melting point and good corrosion resistance, hafnium powder is used as a refractory and structural material in blast furnaces, electric arc furnaces and other high temperature equipment.

2. Electronics and information technology: Due to its excellent electronic conductivity and chemical stability, hafnium powder is used in the manufacture of electronic tubes, transistors and integrated circuits.

3. Aerospace: In the aerospace sector, hafnium powder is used in the manufacture of high-strength structural parts and high-temperature fuel injection components.

4. Medical field: Due to its good biocompatibility and mechanical properties, hafnium is used in the manufacture of medical devices and prosthetic joints.

5. Other fields: In the automotive manufacturing, construction and energy industries, hafnium powder is also widely used as high-temperature structural materials, electronic materials and wear-resistant materials.

Production of hafnium powder

At present, the main technologies for extracting and separating zirconium and hafnium are chlorination and thermal decomposition. Reduction methods include hydrogen reduction, carbon reduction and metal thermal reduction. The specific steps include extraction, separation, reduction and purification.

Storage and transportation of hafnium powder

Storage: Due to its high activity, hafnium powder should be stored in a dry, well-ventilated and dust-free warehouse. Avoid contact with oxidizing agents, water, acidic substances or other corrosive substances. Air-tight containers are recommended for storage to avoid air contact.

Transportation: During transportation, appropriate containers and packaging materials must be used to ensure safe transportation. Special care should be taken to avoid vibration and shock to prevent powder leakage. Relevant safety regulations and regulations shall be observed during transportation.

Future development of hafnium powder

With the continuous progress and development of science and technology, the demand for high melting point metal and its compound materials is increasing. As one of the high melting point metals, hafnium and its compounds have broad application prospects in high temperature structural materials, electronic materials, medical and other fields.

Chengdu Huarui Industrial Co., Ltd. 

Email: sales.sup1@cdhrmetal.com 

Phone: +86-28-86799441

Post time: Sep-12-2023