Photomicrograph Database

Artifact ID DK 0126/0320
Negative Number NS260
Magnification 100x
Etchant ferric nitrate
Photo Date 8/1/2000


high-tin bronze


Hot-worked and quenched.

Metallographic Description

A high-tin beta martensitic structure. The alpha grains line up in the same direction; some alpha is twinned. The needles are very dense, so dense that the dark matrix is almost invisible. Nonetheless, grain boundaries are clear.

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