B17508 Micrograph

 

Inv. B17508
Dagger, with three rivets
From an edge, one third of the way down from the rivets: magnification, 400x
Etchant: Ammonium hydroxide + hydrogen peroxide + alcoholic ferric chloride
(Sn, <0.012%; As, 0.40%; Ni, 10.7%)

A description of the microstructure is in preparation.

Microhardness: VHN = 124 ± 7 (n=5)
Uniform;