Method for producing a piston for an internal combustion engine and piston for an internal combustion engine
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United States of America Patent
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Apr 30, 2013
Grant Date -
Aug 4, 2011
app pub date -
Jun 12, 2009
filing date -
Jun 20, 2008
priority date (Note) -
Expired
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Abstract
In a method for producing a piston for an internal combustion engine, at least the region of the upper annular groove is at least partially recessed, an adhesion promoter layer containing aluminum is then applied, a wear-resistant layer is thermally sprayed onto said adhesion promoter layer and at least the upper annular groove is at least partially formed in said layers. The invention also relates to a piston for an internal combustion engine that comprises a base material, an adhesion promoter layer that contains aluminum and is applied to at least some regions of said material and a wear-resistant layer that is thermally sprayed onto said adhesion promoter layer. At least the upper annular groove is at lest partially formed in said layers.
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