Submitted by curator on Thu, 10/15/2015 - 17:26
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Inv. 30-12-379
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A section cut from the tip; magnification, 200x
Etchant: Ammonium hydroxide + hydrogen peroxide + alcoholic ferric chloride
(Sn, 0.36%; As, 3.6%; Ni, 3.6%)
A description of the microstructure is in preparation
Microhardness: VHN: 178 ± 7 (n=5)
Uniform;
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