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Tantalum Diboride Nano Powder (TaB₂) is a cutting-edge material that stands at the forefront of advanced industrial applications. With its exceptional hardness, high thermal stability, and electrical conductivity, TaB₂ powder is increasingly being utilized across industries that demand high-performance materials. This ultra-fine, grey-black powder is composed of tantalum and boron atoms, forming a hexagonal crystal structure known for its robustness and resistance to extreme conditions. As industries push the boundaries of technology, Tantalum diboride nano powder has proven to be an invaluable solution, from aerospace to electronics and energy systems. The exceptional properties of TaB₂ make it a key material in the development of ultra-high-temperature ceramics, cutting tools, and advanced coatings.
In advanced materials science, Tantalum diboride nano powder (TaB₂) is gaining traction for its remarkable combination of hardness, thermal resistance, and conductivity. With the surge in demand for ultra-high-temperature ceramics (UHTCs) and wear-resistant materials, industries are increasingly turning to TaB₂ to meet critical performance needs.

Material Highlights: Why TaB₂ Nano Powder Matters
Tantalum diboride (TaB₂) belongs to the transition metal diboride family and possesses a powerful set of properties:
- Extremely high hardness: Vickers ~30 GPa, comparable to other robust borides
- Ultra-high melting point: Over 3,000 °C—ideal for extreme environments.
- Superior thermal conductivity and electrical conductivity—rare for ceramics .
- Excellent chemical resistance: Insoluble in strong acids like HCl, HNO₃, and aqua regia; stable against acid attack below 700 °C.
- Nanostructured advantage: Nanopowder form enables better sintering, improved mechanical performance, and enhanced application potential in coatings and additive manufacturing.
Property | Typical Value |
---|---|
Chemical Formula | TaB₂ |
CAS Number | 12007-35-1 |
Appearance | Grey-black powder |
Purity | ≥ 99% |
Particle Size (nano) | 50–100 nm (varies by synthesis) |
Crystal Structure | Hexagonal (AlB₂-type) |
Density | ~12.5 g/cm³ |
Melting Point | ~3040 °C |
Hardness (Vickers) | ~30 GPa |
Electrical Conductivity | High (metallic-like) |
Thermal Conductivity | High (approx. 100 W/m·K) |
Insolubility | Insoluble in water & most acids |
Storage Condition | Dry, sealed, avoid humidity |
Why Demand for TaB₂ Nano Powder Is Rapidly Rising
1. Ultra-High-Temperature Ceramics (UHTCs)
TaB₂ nano powders are foundational to UHTCs designed for aerospace and hypersonic applications. Their high melting points and hardness ensure longevity under thermal shock.
2. Wear-Resistant Coatings and Cutting Tools
Nanostructured TaB₂ offers superior abrasion resistance. Used in thermal sprays or coatings, these powders extend tool lifespan and reduce downtime in heavy-duty operations.
3. Advanced Composite Materials
TaB₂ enhances ceramic matrix composites (CMCs) and metal matrix composites (MMCs), improving structural integrity and thermal management in aerospace and defense components .
4. Electronics and Conductive Components
Rare for a ceramic, TaB₂ is conductive—ideal for high-temperature electrical contacts, heating elements, and conductive ceramics in electronics.
5. Solar and Energy Applications
Research on ZrB₂ and TaB₂ ceramics highlights strong potential in solar thermal absorbers: their optical thermal selectivity and temperature resilience are unmatched.
6. Additive Manufacturing & Nano-Synthesis
Emerging use of TaB₂ in composite nanopowders enables advanced 3D printing of wear-resistant, thermally robust parts. Mechanochemical synthesis routes have achieved ~5 nm crystallinity .
Behind the Science: Nanopowder Makes the Difference
- Nanocrystals (~5 nm): Mechanochemical methods yield ultrafine TaB₂ powders, improving reactivity, sintering, and final material density .
- Hexagonal AlB₂-type structure: Common to high-performance diborides, offering a stacking of boron and metal layers that deliver mechanical strength and thermal conductivity
Supplier
RBOSCHCO’s Superfine TaB₂ Nano Powder: Quality-Driven by Design
RBOSCHCO is a trusted global chemical material supplier & manufacturer with over 12 years experience in providing super high-quality chemicals and Nanomaterials. The company export to many countries, such as USA, Canada, Europe, UAE, South Africa,Tanzania,Kenya,Egypt,Nigeria,Cameroon,Uganda,Turkey,Mexico,Azerbaijan,Belgium,Cyprus,Czech Republic, Brazil, Chile, Argentina, Dubai, Japan, Korea, Vietnam, Thailand, Malaysia, Indonesia, Australia,Germany, France, Italy, Portugal etc. As a leading nanotechnology development manufacturer, RBOSCHCO dominates the market. Our professional work team provides perfect solutions to help improve the efficiency of various industries, create value, and easily cope with various challenges. If you are looking for TaB₂ Nano Powder, please send an email to: sales1@rboschco.com