Methods for forming articles having apertures and articles having substantially reduced residual compressive stress
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United States of America Patent
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Feb 1, 2011
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N/A
app pub date -
Mar 1, 2007
filing date -
Mar 1, 2006
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Abstract
A method for forming an aperture includes stamping an aperture into the article using a pellet, and refining aperture shape(s) and/or aperture dimensions. Methods for forming articles having reduced residual compressive stress are also disclosed. Very generally, the methods include establishing a diamond coating on at least a portion of a substrate, and applying a stress-relief process to the diamond coating, the substrate, or combinations thereof.
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