Electroetched Zinc Anode (SEM) is a photograph by Science Photo Library which was uploaded on March 7th, 2014.
Electroetched Zinc Anode (SEM)
Electrochemically etched zinc anode. Scanning electron micrograph showing the erosion of a marine zinc anode. Sometimes called sacrificial anodes... more
Title
Electroetched Zinc Anode (SEM)
Artist
Science Photo Library
Medium
Photograph
Description
Electrochemically etched zinc anode. Scanning electron micrograph showing the erosion of a marine zinc anode. Sometimes called "sacrificial anodes" these units are connected to all other metal structures in contact with the water to protect them from corrosion. Since the anode has a more negative electrochemical potential than the structure it protects, the anode corrodes in preference to that structure. This anode was one of four used on a sea-going boat and protected all the metal parts to which it was attached including the engines, propellors and rudders. Magnification x333 (x80 at 10cm wide).
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March 7th, 2014
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