Passivation of tantalum and other metal powders using oxygen
A method to passivate a metal or metal oxide or metal suboxide powder, especially a valve metal powder such as tantalum or niobium and the passivated powders formed therefrom are described. The method includes passivating a starting powder with a gas having at least 25 wt. % oxygen present. Passivat...
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| Format: | Patent |
| Sprache: | eng |
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