Submitted by curator on Thu, 10/15/2015 - 16:46
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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;
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