Zr and Zr alloys - Electrolytic polishing

Zr and Zr alloys - Electrolytic polishing

Material Name: Zr and Zr alloys
Recipe No.: 10060
Primary Chemical Element in Material: Zr
Sample Type: Bulk
Uses: Polishing
Etchant Name: None
Type (Macro/Micro): Micro
Etching Method: Electrolytic polishing
Etchant (Electrolyte) Composition: 10 ml perchloric acid, 100 ml methanol, 60 ml butyl cellosolve.
Procedure (Condition): Current density: 1.2 A/cm2, voltage dc: 30 V, time: 3-25 s.
Note: Stir rapidly. For Zr-Mo alloys, use 6.5 A/cm2 for 30 s. Domagala and coworkers.
Reference: Vander Voort, Metallography Principles and Practice, McGraw-Hill, Inc., 1984, p. 606.