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B17520 Micrograph

 

Inv. B17520
Spear point
A cut at the corner of the upper piece of the fragmented mid-section: magnification, 400x
Etchant: potassium dichromate + alcoholic ferric chloride
(Sn, 11.3%; As, 0.33%; Ni, 0.16%)

A description of the microstructure is in preparation.

Microhardness: VHN: 186 ± 7 (n=6)
Uniform;