Photomicrograph Database

Artifact ID DK 0135/0328
Negative Number NS224
Magnification 200x
Etchant AH/HP, FeCl3
Photo Date 7/7/2000


high-tin bronze


Hot-worked and quenched.

Metallographic Description

Beta-tin martensitic wire. The needles are not dense, but definitely present. The grains of alpha are unidirectional in the longitudinal piece, scattered in the transverse sample. The matrix has many fine grain and subgrain boundaries visible at 600x.

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