Photomicrograph Database

Artifact ID BC 2161A/0781
Negative Number NS137
Magnification 200x
Etchant FeCl3
Photo Date 3/21/2000


high-tin bronze


Hot-worked and quenched.

Metallographic Description

Beta-tin martensite, with occasional elongated blobs of alpha. The blobs all run lengthwise. The needles are very clear and cover almost the entire surface.

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