High Purity Tantalum Silicide TaSi2 Powder CAS 12039-79-1, 99%

TaSi2 silicide, also known as Tantalum silicide. It has been used in many electronic devices and electric heating elements. Purity: 99%
Particle Size: 5-10um

Description of TaSi2 Tantalum Silicide Powder：

Tantalum silicide is a transition metal compound with the formula TaSi2, which has excellent physical and chemical properties. The crystal structure, properties, preparation methods, and application fields of tantalum silicide are described in detail below.

Crystal structure

The crystal structure of tantalum silicide belongs to the tetragonal system, and the space group is P4/mmm. In the crystal structure, the tantalum atoms are located at the center of the face-centered cubic lattice. In contrast, the silicon atoms are situated at the vertex and surface of the lattice. Four silicon atoms surround each tantalum atom, and four tantalum atoms surround each silicon atom. This crystal structure makes tantalum silicide have good mechanical properties and high-temperature stability.

Physical properties

Tantalum silicide is a gray or black metal material with a high melting point, hardness, good electrical conductivity, corrosion resistance, and other physical properties. Its melting point is as high as 3300℃, and its hardness is also high, suitable for high-temperature and high-stress environments. In addition, tantalum silicide has excellent electrical conductivity and can be used to manufacture electronic components and circuit boards.

Chemical properties

Tantalum silicide is chemically stable and cannot readily react with oxygen and water vapor in the air. Tantalum silicide can maintain chemical stability at high temperatures to manufacture high-temperature components and rocket nozzles. In addition, tantalum silicide has good corrosion resistance and can be used to manufacture biocompatible materials for the human body, such as medical devices.

Smelting process

Smelting is a standard method for preparing tantalum silicide, made by melting and cooling a mixture of tantalum and silicon at high temperatures. The specific steps are as follows:

The tantalum and silicon powder are mixed according to a particular proportion, and an appropriate amount of flux is added, such as KCl, NaCl, etc.

Heat the mixture to a high temperature so the tantalum and silicon melt and mix well.

Adjust the melt temperature and composition to conform to the phase diagram of tantalum silicide, and keep the melt at a high temperature for a period to complete the alloying process.

The alloy melt is cooled and crystallized to obtain tantalum silicide material.

The advantages of the smelting method are a simple preparation process, low cost, and suitable for large-scale production. However, the smelting method has high requirements for the purity and quality of raw materials. Otherwise, it will affect the performance of tantalum silicide. At the same time, impurities are easily mixed in the smelting process, which requires post-treatment measures such as refining and purification.

Mechanical alloying method

The mechanical alloying method is prepared by mixing tantalum and silicon powder and sintering at high temperatures. The specific steps are as follows:

Tantalum powder and silicon powder are mixed according to a particular proportion, and an appropriate amount of ball milling medium is added, such as alumina balls.

In a ball mill, the mixed powder is ball-milled so that it fully contacts and collides to complete the alloying process.

The mixed powder, after ball milling, was sintered at high temperatures to densify and grow grain.

Tantalum silicide material was obtained by crushing, grinding, and screening after sintering.

The advantage of mechanical alloying is that raw materials with lower purity can be used, resulting in alloys with higher purity and without mixing in impurity elements. In addition, the mechanical alloying method can control the grain size and properties by controlling parameters such as milling time and temperature. However, the production efficiency of the automated alloying method is low, the manufacturing cost is high, and the use of a large number of ball milling media is complex to achieve large-scale production.

Chemical synthesis

The chemical synthesis method is prepared by controlling reaction conditions using tantalate or silicate as raw material. The specific steps are as follows:

The tantalate or silicate is dissolved in the organic solvent, and an appropriate amount of catalyst and reaction medium is added.

The mixed solution is heated and stirred to react and produce tantalum silicide material.

After washing, drying, and screening the solid material, tantalum silicide material was obtained.

The advantage of chemical synthesis is that raw materials with higher purity can be used, and the obtained alloy has higher purity and will not be mixed with impurity elements. In addition, the chemical synthesis method can control the grain size and properties by controlling the reaction conditions. However, the production cost of chemical synthesis is high, and many chemical reagents, such as organic solvents and catalysts, need to be used, which has a more significant impact on the environment.

1. TaSi2 Tatalum silicide TaSi2 is used for making composite ceramic materials with silicon nitride/tantalum silicide.
2. The preparation of tantalum silicide TaSi2 Powder is done using Tantalum Silicide TaSi2 (tantalum silicide TaSi2) powder
3. TaSi2 tantalum silicide TaSi2 is used to make tantalum silicide or silicon carbide coatings that are based on carbon/carbon-compound materials
4. TaSi2 Tatalum silicide powder is used in ceramic materials, thin film materials and refractory substances.
5. As fine ceramic raw materials powder, Tantalum silicide TaSi2 is used.

Application of TaSi2 Tantalum Silicide Powder：

Aerospace field

Tantalum silicide is one of the most critical applications in the aerospace field. Because of its excellent mechanical properties and high-temperature stability, tantalum silicide is widely used to manufacture high-temperature components of aircraft engines, rocket nozzles, spacecraft shells, and other fields. In these high-temperature environments, tantalum silicide can maintain good physical and chemical properties, protecting the safe operation of aerospace spacecraft.

The energy sector

Tantalum silicide application in the field of energy is also one of its essential applications. Because of its excellent high-temperature resistance and mechanical properties, tantalum silicide is widely used in manufacturing energy conversion and storage equipment such as solar panels and fuel cells. In these devices, tantalum silicide can improve the efficiency and stability of the equipment, reduce maintenance costs, and provide necessary technical support for sustainable energy development.

The automotive sector

Tantalum silicide application in the automotive field is also one of its essential applications. Because of its excellent mechanical properties, tantalum silicide is widely used in the manufacture of automotive engine components, transmission gears, and other automotive vital components. Among these components, tantalum silicide can improve the service life and reliability of components, reduce maintenance costs, and provide necessary technical support for energy saving and emission reduction of vehicles.

Medical device field

Tantalum silicide is one of its emerging applications in the field of medical devices. Because of its good biocompatibility and corrosion resistance, tantalum silicide is widely used in manufacturing artificial joints, dental plants, and other medical devices. In these medical devices, tantalum silicide can improve the wear resistance and biocompatibility of the equipment, reduce irritation and adverse reactions to the human body, and provide better support and guarantee for medical care.

Shipping and Packing of Tantalum Silicide TSi2 Powder

There are many packing options available depending on the amount of tantalum silicide, TaSi2 or other powder.
Tintalum silicide TaSi2 Powder Packaging: You can vacuum pack 1kg/bag, 25kg/barrel or according to your requirements.
Transport of powdered tantalum silicide TaSi2: Could be sent by air, sea or express once payment has been received.

Synthetic Chemical Nano Technology Co. Ltd. (Miss-asia) has over 12 years of experience as a supplier and manufacturer for super-quality chemical materials. This includes boride, nitride, graphite, sulfide, 3D printing powders, and more.
High-quality products are what you want TaSi2 Pulver Please feel free and contact us to make an enquiry. ( sales5@nanotrun.com )

Inquiry us