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Alumina-Al2O3 - Chemical polishing

Material Name: Alumina-Al2O3
Recipe No.: 9788
Primary Chemical Element in Material: Al
Sample Type: Bulk
Uses: Polishing
Etchant Name: None
Type (Macro/Micro): Micro
Etching Method: Chemical polishing
Etchant (Electrolyte) Composition: H3PO4.
Procedure (Condition): Use at 425 C, remove sample from mount before polishing, 2-3 min required.
Note: Alford and Stephens
Reference: Vander Voort, Metallography Principles and Practice, McGraw-Hill, Inc., 1984, p. 552.