Metal-ceramic gradient material, product made from a metal-ceramic gradient material and process for producing a metal-ceramic gradient material
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United States of America Patent
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Nov 27, 2001
Issued Date -
N/A
app pub date -
Nov 29, 1999
filing date -
May 28, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A metal-ceramic gradient material, in particular for a thermal shield or a gas turbine blade, includes a metal base material, a ceramic and an additive for high-temperature oxidation protection. The metal base material has a concentration decreasing from a metal-rich zone into a ceramic-rich zone. The additive has a concentration with a concentration gradient. The concentration of the additive has a maximum. A product made from a metal-ceramic gradient material and a process for producing a metal-ceramic gradient material are also provided.
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