Titanium, titanium target, titanium particles, titanium evaporation materials

Chemical symbol: ti

Purity: 4n, 5n

Specification: 6 * 6, 3 * 3, 1-15 mm irregular grains

Atomic weight: 47.867

Density: 4.5 g / cm3

Melting point: 1700 ℃

Boiling point: 3287 ℃

Critical temperature: 4 350 ℃

Resistivity / μ ω: 43 ~ 47

Line expansion coefficient / ℃: 8.5 10 - 6

Vaporization temperature / ℃: 1,577

Resistance temperature coefficient / ℃: 3.50 10 - 3

Wavelength / nm: 630

Fold n: 2.9

Extinction coefficient k: 3.3

Reflectance / %: 55.6

Evaporation temperature: 1750 when the saturated vapour pressure is 1. 33 pa

Evaporation source materials: ( w, ta ) ( silk, sheet ), ( c, th ) crucible

Characteristics: large mechanical strength, good plasticity, easy to process, good corrosion resistance.

Purpose: mainly used as getter material in semiconductor material and ultra high vacuum device.