Submitted by curator on Thu, 10/15/2015 - 16:42
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Inv. 31-17-193 Shafthole axe From the bottom edge of the broken shafthole: magnification, 100x (left) and 200x (right) Etchant: Unetched (Sn, 0.12%; As, 1.9%; Ni, 0.85%)
A description of the microstructure is in preparation.
Microhardness: VHN: 79 ± 6 (n=5) Uniform;
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