Fe-Al alloy - Alloys with 49-54% Fe

Material Name: Fe-Al alloys
Recipe No.: 3386
Primary Chemical Element in Material: Fe
Sample Type: Bulk
Uses: General microstructure
Etchant Name: None
Type (Macro/Micro): Micro
Etching Method: Chemical
Etchant (Electrolyte) Composition: 1 part nitric acid, 1 part hydrofluoric acid, 2 parts glycerol.
Procedure (Condition): Time: 5 secs.
Note: Alloys with 49-54% Fe. Polish down to 0.05 µm alumina.
Reference: T.D.Mayer, et al., Met.Trans., Vol.7A, No.7, July 1946, p. 1030.

















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