CERAMIC DOUBLE LAYER BASED ON ZIRCONIUM OXIDE
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United States of America Patent
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Issued Date -
Oct 23, 2014
app pub date -
Aug 7, 2012
filing date -
Oct 13, 2011
priority date (Note) -
Abandoned
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Abstract
At least two ply layers of ceramic on a substrate which is applied to protect a surface in a heated hot environment. Each of the outer and bottom layers including zirconium oxide and stabilizers of yttrium oxide in different respective proportions of the yttrium oxide; the outer layer has fully stabilized zirconium oxide and the bottom layer has partially stabilized zirconium oxide.
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