Chlorine gas and fluoride ion in hot-salt stress corrosion cracking of titanium-aluminum alloys
Hot salt stress corrosion cracking of titanium-aluminum alloys
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Hot salt stress corrosion cracking of titanium-aluminum alloys
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Addition of oxyanions to liquid solvents in excess of the number of chloride, bromide, or iodide ions present prevents cracking of titanium-aluminum alloys under exposure to aqueous and other solvent environments. The molar concentration of oxyanion is set from 10 to 100 times higher than concentration of halide ions.
Contact preparation at low temperatures is possible with the use of a copper-titanium eutectic alloy. Contacts formed with this alloy are ohmic on p-type silicon carbide and rectifying on n-type.
Quantitative determination of nitrogen in titanium nitride involves dissolution of TiN in 10M hydrofluoric acid containing an oxidant. Released nitrogen is determined as ammonia. Best oxidizers are ferric chloride, potassium iodate, and potassium dichromate.
Thin film titanium dioxide by high temperature vapor deposition