Yttrium metal

Yttrium metal foil is a sheet material made of high-purity yttrium metal with silver-gray metallic luster, good flexibility and ductility, which is widely used in electronics, optics, aerospace and other fields.

Properties

Appearance: Silver gray metallic luster.

Melting point: about 1522℃-1526℃.

Boiling point: about 3336℃-3338℃.

Density: 4.469g/cm³-4.472g/cm³.

Resistivity: 57 μΩ-cm (20℃) .

Poisson’s ratio: 0.243.

Specific heat capacity: 0.068 cal/g/k (25℃).

Thermal conductivity: 0.172 W/cm/k (298.2K).

Coefficient of thermal expansion (room temperature): 10.6 µm/(m・k).

Young’s modulus: 63.5 GPa.

Chemical Properties : Soluble in weak acids, also soluble in strong bases such as potassium hydroxide, will decompose in water. It has certain chemical activity and is easily oxidized in the air, so it should be sealed and stored.

Tensile strength: 67MPa.

Application

Electronic field:

As an electrode material, it can be used in the manufacture of high-performance battery electrodes, capacitor electrodes, etc., utilizing its good electrical conductivity and chemical stability to improve the performance of batteries and capacitors.

Used in the manufacture of electronic filters, can effectively filter electromagnetic waves and other signals to protect the normal operation of electronic equipment and signal transmission quality.

Optical field :

Can be used in the manufacture of optical films, through the control of film thickness and refractive index and other parameters, to achieve the characteristics of light reflection, transmission and absorption of the regulation, applied to optical lenses, displays and other products to improve their optical properties.

As an important part of laser materials, such as yttrium aluminum garnet (YAG) and other laser crystals, yttrium element can enhance the laser generation and transmission efficiency, widely used in laser cutting, laser welding, laser marking and other industrial processing fields, as well as laser medical, laser communications and other fields.

Aerospace field:

Because of its high melting point and good high-temperature strength, it can be used in the manufacture of high-temperature parts of aerospace engines, such as blades, combustion chambers, etc., which are able to withstand the harsh working environment of high temperatures and high pressures, and improve the performance and reliability of the engine .

It can be used as additives for aerospace structural materials to improve the mechanical properties and corrosion resistance of materials and extend the service life of structural parts.

Medical field :

Used in the manufacture of some key components of medical equipment, such as the target material of X-ray tubes, which can produce high-quality X-rays and improve the accuracy of medical diagnosis.

Some yttrium-containing compounds have radioactive isotopes and can be used for radiotherapy, such as yttrium-90 microspheres for liver cancer, etc. By precisely delivering radioactive substances to the lesion site, localized treatment of tumors is achieved, and damage to surrounding normal tissues is reduced.

Other fields:

Adding yttrium metal foils to steel, non-ferrous metals and other alloy materials can refine the grain size and improve the alloy’s strength, toughness, corrosion resistance and oxidation resistance, etc., which is widely used in the fields of machinery manufacturing, automobile industry, shipbuilding industry, etc .

Yttrium metal can be used as the carrier of chemical catalysts to improve the activity and stability of catalysts, and applied in petrochemical, organic synthesis and other chemical reactions to improve reaction efficiency and product quality.