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Zr, Zr-Si, Zr-B, Zr-Nb, and Zr-Fe alloys - Chemical etching

Material Name: Zr, Zr-Si, Zr-B, Zr-Nb, and Zr-Fe alloys
Recipe No.: 11189
Primary Chemical Element in Material: Zr
Sample Type: Bulk
Uses: General microstructure
Etchant Name: None
Type (Macro/Micro): Micro
Etching Method: Chemical
Etchant (Electrolyte) Composition: 30 ml glycerin, 10 ml HF, 5 ml HNO3.
Procedure (Condition): Swab sample 3-5 s.
Note: Versatile etch. Carbides not attacked. Roberson.
Reference: Vander Voort, Metallography Principles and Practice, McGraw-Hill, Inc., 1986, p. 702.