Grade 23 ELI Titanium/Aluminum/Vanadium Alloy Foil (Light Tight) (Ti90/Al 6/V4)

Grade 23 ELI Titanium/Aluminum/Vanadium Alloy Foil (Light Tight) (Ti90/Al6/V4) offers low oxygen content and enhanced fatigue resistance, making it suitable for precise scientific applications. Its light-tight properties enable effective optical isolation in vacuum and ion beam environments. The foil’s corrosion resistance and stable α–β microstructure support its use in cyclic fatigue testing, thin-film deposition, and surface modification research. Commonly applied in medical device prototyping, aerospace materials development, and high-energy physics experiments, this alloy foil provides consistent mechanical and chemical performance essential for controlled laboratory and R&D settings.

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Properties

Reference & Citations

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Material Properties for Alloys

Mechanical Properties

Element	Value
Elongation at break( % )	>10
Modulus of elasticity( GPa )	106-114
Izod impact strength( J m⁻¹ )	20
Tensile strength( MPa )	895

Electrical Properties

Element	Value
Electrical resistivity( µOhmcm )	168
Temperature coefficient( K⁻¹ )	0.0004

Thermal Properties

Element	Value
Melting point( C )	1600-1650
Thermal conductivity( W m⁻¹ K⁻¹ )	5.8@23
Thermal conductivity( W m⁻¹ K⁻¹ )	5.8@23C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	8@20-100
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	8.0@20-100C