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Nb-Ti alloys - Chemical etching

Material Name: Nb-Ti alloys
Recipe No.: 10861
Primary Chemical Element in Material: Nb
Sample Type: Bulk
Uses: General microstructure
Etchant Name: None
Type (Macro/Micro): Micro
Etching Method: Chemical
Etchant (Electrolyte) Composition: 3 ml HNO3, 1 ml HF, 96 ml distilled water.
Procedure (Condition): Immerse sample.
Note: For Nb-Ti alloys. Hansen and coworkers.
Reference: Vander Voort, Metallography Principles and Practice, McGraw-Hill, Inc., 1984, p. 671.