Tantalum
A rare, hard, blue-gray transition metal known for its exceptional corrosion resistance and extremely high melting point.
Overview
Tantalum is a refractory metal essential for the production of high-performance capacitors used in automotive electronics. Its ability to form a stable, thin dielectric oxide layer allows for the miniaturization of components in Engine Control Units (ECUs), infotainment systems, and EV power management modules. Beyond electronics, it is used as an alloying element in superalloys for high-temperature engine components and specialized sensors. Its chemical inertness makes it highly reliable in harsh automotive environments.
Automotive Applications
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Properties
Category
Type
Refractory Metal
Available Colors
Available Forms
Key Properties
- High capacitance per volume
- Exceptional corrosion resistance
- Extremely high melting point
- High ductility
- High thermal conductivity
- Stable dielectric properties
Technical Specifications
Density
16.69 g/cm³
Tensile Strength
285-900 MPa
Temperature Resistance
Up to 3000°C
Sustainability
Sustainability Rating
Tantalum is often classified as a conflict mineral (3TG), and its extraction has significant environmental and ethical impacts; however, it is highly recyclable from industrial scrap.