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Nb and Nb alloys - Electrolytic polishing

Material Name: Nb and Nb alloys
Recipe No.: 9989
Primary Chemical Element in Material: Nb
Sample Type: Bulk
Uses: Polishing
Etchant Name: None
Type (Macro/Micro): Micro
Etching Method: Electrolytic polishing
Etchant (Electrolyte) Composition: NaCl or KCl.
Procedure (Condition): Current density: 1 A/cm2, voltage dc: 3 V, temperature: 950 C.
Note: Fused salt electrolyte. Rowland.
Reference: Vander Voort, Metallography Principles and Practice, McGraw-Hill, Inc., 1984, p. 589.