Laser fabrication of ceramic parts
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United States of America Patent
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Issued Date -
Jan 10, 2002
app pub date -
May 16, 2001
filing date -
Nov 16, 1999
priority date (Note) -
Abandoned
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Abstract
A method of fabricating ceramic parts is disclosed using a laser deposition process to produce highly dense ceramic parts. A metal substrate is preferably used and ceramic powder deposited in layers on the substrate, while varying the power of the laser beam to bond the layers together without cracking the substrate or causing a plasma reaction in the ceramic powder. Dense structures which are about 96% to about 100% ceramic can be produced. A part can be graded using different types and mixtures of ceramic powders to produce the part of a desired composition.
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