Alphabetical Index
Browse by Elements
Keyword Search

ASTM Electrolytes
Macro Etchants
Micro Etchants
Named Etchants
New Etchants

Al and Al Alloys
Cu and Cu Alloys
Fe and Fe Alloys
Ni and Ni Alloys
Carbide Etchants
Fluoride Etchants
Nitride Etchants
Other Etchants
Oxide Etchants
Phosphide Etchants
Single Crystal Etchants
Thin Film Etchants
Wafer Etchants

Help
Home

Ti alloys - Chemical etching

Material Name: Ti alloys
Recipe No.: 11091
Primary Chemical Element in Material: Ti
Sample Type: Bulk
Uses: General microstructure
Etchant Name: None
Type (Macro/Micro): Micro
Etching Method: Chemical
Etchant (Electrolyte) Composition: 1 ml HF, 30 ml HNO3, 30 ml lactic acid.
Procedure (Condition): Swab sample up to 30 s. Decomposes readily, do not store. 2 ml HF used for alloy of Ti and 10% Sn (Lenning and coworkers).
Note: For outlining and darkening hydride in some Ti alloys.
Reference: Vander Voort, Metallography Principles and Practice, McGraw-Hill, Inc., 1986, p. 693.