Tungsten Disilicide Powder

CAS No.:	12039-88-2
Linear Formula:	WSi2
Appearance:	Bluish-gray crystalline solid
Purity:	99.5%

 

Product Description

Tungsten Disilicide (WSi₂) powder is a refractory intermetallic compound known for its high electrical conductivity, excellent oxidation resistance, and superior thermal stability. It is widely used in microelectronics, aerospace, and high-temperature structural applications due to its ability to withstand extreme conditions.

WSi₂ is commonly utilized in semiconductor industries for barrier layers and thin-film coatings. Additionally, it is used in thermal spraying, aerospace components, and high-temperature heating elements. Its ability to resist oxidation at elevated temperatures makes it a preferred material for applications requiring durability and stability.

 

Features & Properties

High Electrical Conductivity: Ideal for use in microelectronics and semiconductor devices.

Excellent Oxidation Resistance: Stable in high-temperature environments up to 1000°C.

Superior Thermal Stability: Maintains structural integrity under extreme heat conditions.

High Hardness & Strength: Provides wear and corrosion resistance for industrial applications.

Low Resistivity: Ensures efficient electrical performance in microelectronic applications.

 

Product Specifications

Purity: 99%–99.9%

Particle Size: 1–10 µm, 10–45 µm (custom sizes available)

Density: 9.3 g/cm³

Melting Point: 2160°C

Thermal Conductivity: 60 W/m·K

Appearance: Gray-black fine powder

 

Product Forms

Fine Powder

Spheroidized Powder

Agglomerated & Sintered Powder

 

Production Method & Production Equipments

Production Method:

Solid-State Reaction: Tungsten (W) and silicon (Si) powders are mixed and heated to form WSi₂.

Hydrogen Reduction Process: Enhances purity and reduces oxidation.

Ball Milling & Sieving: Controls particle size distribution.

Sintering & Agglomeration: Improves powder flowability and consistency.

Quality Testing: XRD, SEM, and ICP analysis ensure high purity and performance.

Production Equipments:

High-Temperature Vacuum Furnaces

Ball Milling & Sieving Machines

X-Ray Diffraction (XRD) & Scanning Electron Microscopes (SEM)

Hydrogen Reduction Systems

 

Applications & Related Industries

Semiconductor Industry: Used in thin-film coatings and electrical contacts in integrated circuits (ICs).

Aerospace & Defense: Coatings for high-temperature components and propulsion systems.

Thermal Spray Coatings: Protective coatings for wear and oxidation resistance.

Heating Elements: Used in high-temperature furnaces and industrial heating applications.

Superconductors: Plays a role in the development of advanced materials for scientific research.

 

Interesting Facts

Tungsten Disilicide is widely used as a diffusion barrier in semiconductor devices to prevent metal diffusion.

It offers better oxidation resistance than other metal silicides, making it highly durable.

WSi₂ thin films are used in memory storage devices and microchips.

Its combination of electrical conductivity and thermal stability makes it ideal for extreme environments.

 

Synonyms

Tungsten Silicide Powder

WSi₂ Powder

Tungsten(IV) Silicide

 

Health & Safety Information

Handling Precautions: Avoid inhalation and direct skin contact; use in a well-ventilated area.

Storage Conditions: Store in a dry, sealed container to prevent oxidation.

Protective Equipment: Wear gloves, safety goggles, and dust masks when handling.

Disposal Considerations: Follow local environmental regulations for proper disposal.

 

Why Choose Us for Your Tungsten Disilicide Powder?

✔ High Purity & Customization: Available in various particle sizes and purity levels.
✔ Advanced Manufacturing Techniques: Ensures superior material properties and performance.
✔ Reliable Global Supply: Fast and efficient worldwide shipping.
✔ Competitive Pricing: Premium quality at industry-leading rates.
✔ Technical Support: Expert guidance for selecting the right material for your needs.

 

Contact Us Today

For pricing, technical specifications, or custom orders, get in touch with our team today. We're ready to help you find the best solution for your Tungsten Disilicide powder needs.

 

Chemical Identifiers

Linear Formula	WSi2
MDL Number	MFCD00049704
EC No.	234-909-0
Beilstein/Reaxys No.	N/A
Pubchem CID	16212546
IUPAC Name	bis (λ3-silanylidyne) tungsten
SMILES	[Si]#[W]#[Si]
InchI Identifier	InChI=1S/2Si.W
InchI Key	WQJQOUPTWCFRMM-UHFFFAOYSA-N

Tungsten Disilicide Properties (Theoretical)

Compound Formula	Si2W
Molecular Weight	240.01
Appearance	Bluish-gray crystalline solid
Melting Point	2160 °C
Boiling Point	N/A
Density	9.3 g/cm3
Solubility in H2O	Insoluble
Exact Mass	239.904786
Monoisotopic Mass	239.904786

 

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