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This article discusses the specimen preparation techniques for zinc and its alloys and zinc-coated specimens, namely, sectioning, mounting, grinding and polishing, and etching. It describes the characteristics of lead, cadmium, iron, copper, titanium, aluminum, magnesium, and tin, which are present in the microstructure of zinc alloys. The article also provides information on microexamination that helps to determine the dendrite arm spacing, as well as the grain size, grain boundaries, and grain counts.

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