Acid etching bath for titanium alloy of components

Details Acid etching bath for titanium alloy of components Acid etching bath for titanium alloy of components

1992-06-05

1993-05-11

Tufariello, T. M.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

C25F 308

Patent

active

052098290

ABSTRACT:
An acid etching bath for activating titanium alloy components, especially turbo-machine blades and discs, before macrographic anodic oxidation in an electrochemical etching process, known as the "blue-etch" process, for the non-destructive checking of the components, comprises 75.+-.5 ml/1 of sulphuric acid, from 11 to 15 g/1 of sodium fluoride, and water as the balance.

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