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Ti alloys - General macrostructure

Material Name: Ti alloys
Recipe No.: 9649
Primary Chemical Element in Material: Ti
Sample Type: Bulk
Uses: General macrostructure
Etchant Name: None
Type (Macro/Micro): Macro
Etching Method: Chemical
Etchant (Electrolyte) Composition: 75 ml H2O, 15 ml HNO3, 10 ml HF.
Procedure (Condition): Swab sample for 2 min at room temperature.
Note: Reveals flow lines, grain structure, and segregations. Good general purpose macroetch. Hendrickson and Sparks.
Reference: Vander Voort, Metallography Principles and Practice, McGraw-Hill, Inc., 1984, p. 531.