Patent ID: 8354036

Claim:
A method for the pre-treatment of titanium components for the subsequent coating thereof, comprising: a) etching a titanium component in an acidic solution containing fluoride and nitric acid (HNO3); b) activation pickling the etched titanium component in a solution including 20 to 50 g/l of sodium nitrate (NaNO 3 ), 50 to 70 g/l of tetrafluoroboric acid (HBF 4 ), and either: (a) 15 to 35 g/l of sodium hydroxide (NaOH) and 5 to 50 g/l of sodium tetrafluoroborate (NaBF 4 ); or (b) 25 to 50 g/l of sodium (Na + ) and 45 to 100 g/l of fluorine (F − ); c) activating the activation-pickled titanium component in a bath containing acid or in an acidic bath containing nickel.