Photomicrograph Database

Artifact ID BCES 0762/2834
Negative Number NS186
Magnification 100x
Etchant AH/HP, FeCl3, K2Cr2O7
Photo Date 5/30/2000

Photomicrograph Description





Post-casting treatment

Metallographic Description

Blade: Granular with considerable corrosion interdendritically. There are very strong mechanical strain marks in a few grains, but they are not concentrated on the edges. The artifact suffered some kind of compression or deformation, perhaps during the bending of the blade. Socket: same as blade, but at the tip, the grains are smaller, with more twinning. Cast, partial working at least in the socket, some annealing, a little working or deformation in the blade.

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