Sliding engine component
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United States of America Patent
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Feb 12, 2019
Grant Date -
Nov 17, 2016
app pub date -
Jan 8, 2015
filing date -
Jan 10, 2014
priority date (Note) -
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Abstract
A sliding engine component may include a substrate having a surface coated with a first electroplated metallic layer and a second electroplated metallic layer. The first metallic layer may be disposed between the substrate and the second metallic layer. The first metallic layer and the second metallic layer may have a grained structure. The grained structure of each of the first metallic layer and the second metallic layer may have an aspect ratio between a mean grain size perpendicular to the substrate surface and a mean grain size parallel to the substrate surface. The aspect ratio of the second metallic layer may be less than the aspect ratio of the first metallic layer.
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