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Ni, Ni-Cr and Ni-Fe alloys - Electrolytic etching

Material Name: Ni, Ni-Cr and Ni-Fe alloys
Recipe No.: 10816
Primary Chemical Element in Material: Ni
Sample Type: Bulk
Uses: General microstructure
Etchant Name: None
Type (Macro/Micro): Micro
Etching Method: Electrolytic
Etchant (Electrolyte) Composition: 70 ml H3PO4, 30 ml distilled water.
Procedure (Condition): Use 5-10 V dc for 5-60 s.
Note: For Ni, Ni-Cr and Ni-Fe alloys.
Reference: Vander Voort, Metallography Principles and Practice, McGraw-Hill, Inc., 1984, p. 667.