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Formula: TiB₂
Form: Foil/Film/Sheet
Material: Titanium Diboride
CAS Number: 12045-63-5
Commodity: Compounds
Titanium Diboride Sheet (TiB₂) combines extreme hardness, high thermal stability, and electrical conductivity in a flat, rigid form suitable for structural and functional applications. The sheet geometry allows for direct fabrication of components or use as protective linings in wear-intensive or high-temperature environments. Industries including metallurgy, aerospace, and electronics use titanium diboride sheets for armor panels, crucible liners in molten metal handling, and conductive plates in Hall–Héroult aluminum production cells. Specific uses include thermal protection systems in aerospace vehicles, wear-resistant die inserts, and electrodes in electrochemical processes. In research, titanium diboride sheets are studied for advanced ceramic composites, multifunctional protective barriers, and high-performance tooling. Their mechanical robustness and chemical inertness make them indispensable in applications requiring both structural integrity and functional performance.
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Tolerances

Foil/Film/Sheet
Thickness ±20%

Material Properties for Compounds

Chemical Resistance
Element Value
Acids - concentrated Fair
Acids - dilute Good
Alkalis Fair
Halogens Good
Metals Good
Mechanical Properties
Element Value
Poisson's ratio 0.18-0.2
Tensile modulus( GPa ) 520-570
Hardness - Vickers( kgf mm⁻² ) 3000
Shear strength( MPa ) 300-600
Thermal Properties
Element Value
Melting point( C ) 3000
Upper continuous use temperature( C ) 1000-2000
Thermal conductivity( W m⁻¹ K⁻¹ ) 50-70@20°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 6-7@20-1000°C
Physical Properties
Element Value
Density( gcm⁻³ ) 4.5
Electrical Properties
Element Value
Volume resistivity( Ohmcm ) 15x10⁻⁶@25

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