A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
YTTRIA-ZIRCONIA SINTERED CERAMICS FOR PLASMA RESISTANT MATERIALS
Disclosed is a ceramic sintered body comprising yttrium oxide and zirconium oxide wherein the ceramic sintered body comprises not less than 75 mol % to not greater than 95 mol % yttrium oxide and not less than 5 mol % to not greater than 25 mol % zirconium oxide, wherein the ceramic sintered body comprises porosity in an amount of less than 2% by volume, wherein a density of the ceramic sintered body does not vary by more than 2% relative to theoretical density across a greatest dimension. The ceramic sintered body has a grain size of from 0.4 to less than 2 um as measured according to ASTM E1 12-2010. The ceramic sintered body may be machined into plasma resistant components for use in plasma processing chambers. Methods of making are also disclosed.
YTTRIA-ZIRCONIA SINTERED CERAMICS FOR PLASMA RESISTANT MATERIALS
Disclosed is a ceramic sintered body comprising yttrium oxide and zirconium oxide wherein the ceramic sintered body comprises not less than 75 mol % to not greater than 95 mol % yttrium oxide and not less than 5 mol % to not greater than 25 mol % zirconium oxide, wherein the ceramic sintered body comprises porosity in an amount of less than 2% by volume, wherein a density of the ceramic sintered body does not vary by more than 2% relative to theoretical density across a greatest dimension. The ceramic sintered body has a grain size of from 0.4 to less than 2 um as measured according to ASTM E1 12-2010. The ceramic sintered body may be machined into plasma resistant components for use in plasma processing chambers. Methods of making are also disclosed.
YTTRIA-ZIRCONIA SINTERED CERAMICS FOR PLASMA RESISTANT MATERIALS
WALKER LUKE (author) / DONELON MATTHEW JOSEPH (author)
2024-09-19
Patent
Electronic Resource
English
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