VIBRATION DAMPING COATING
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United States of America Patent
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Issued Date -
Mar 15, 2012
app pub date -
Sep 9, 2010
filing date -
Sep 9, 2010
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Abstract
A method is disclosed for applying a vibration-damping surface to an article. The method includes providing a coating material comprising a ceramic, metallic or cermet material and a viscoelastic glass frit and plasma spraying the coating material onto an article. The coating material forms a plurality of ceramic, metallic or cermet microstructures having voids with the viscoelastic glass frit distributed to interact with the voids to provide vibration damping. Also disclosed are plasma spray coatings for damping vibrations that includes a ceramic-glass frit composite coating capable of reducing resonant vibrations in a substrate at temperatures between 700° F. to 1500° F. and said plasma spray coating as a coating on a substrate.
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