EP 3746405 A1 20201209 - POWDER FOR A THERMAL BARRIER
Title (en)
POWDER FOR A THERMAL BARRIER
Title (de)
PULVER FÜR EINE WÄRMEDÄMMSCHICHT
Title (fr)
POUDRE POUR BARRIERE THERMIQUE
Publication
Application
Priority
- FR 1850825 A 20180131
- EP 2019052443 W 20190131
Abstract (en)
[origin: WO2019149857A1] The invention relates to a particle powder, a number higher than 95% of the particles having a circularity greater than or equal to 0.85, the powder containing more than 98% of a stabilised oxide which is selected from stabilised zirconium oxides, stabilised hafnium oxides and the mixtures thereof, the stabilised oxide being stabilised by a stabiliser which is selected from the oxides of Y, Ca, Ce, Se, Mg, In, La, Gd, Nd, Sm, Dy, Er, Yb, Eu, Pr and Ta, which are referred to as "stabilising oxides", and the mixtures of these stabilising oxides, as a percentage by mass on the basis of the oxides, and having: - a mean particle size D50 less than 15 μm, a 90th percentile of the particle sizes D90 less than 30 μm, and a size dispersion index (D90 - D10)/D10 less than 2; - a relative density greater than 90%.
IPC 8 full level
C01G 25/02 (2006.01); C01F 17/00 (2020.01); C01G 27/02 (2006.01); C04B 35/486 (2006.01); C04B 35/653 (2006.01); C23C 4/11 (2016.01); F01D 5/28 (2006.01)
CPC (source: EP US)
C01G 25/02 (2013.01 - EP US); C01G 27/02 (2013.01 - EP); C04B 35/486 (2013.01 - EP US); C04B 35/62695 (2013.01 - US); C04B 35/653 (2013.01 - EP US); C23C 4/11 (2016.01 - EP US); F01D 5/288 (2013.01 - US); C01P 2004/32 (2013.01 - EP); C01P 2004/52 (2013.01 - EP); C01P 2004/61 (2013.01 - EP); C04B 2235/3206 (2013.01 - EP); C04B 2235/3208 (2013.01 - EP); C04B 2235/3224 (2013.01 - EP); C04B 2235/3225 (2013.01 - EP); C04B 2235/3227 (2013.01 - EP); C04B 2235/3229 (2013.01 - EP); C04B 2235/3246 (2013.01 - US); C04B 2235/3251 (2013.01 - EP); C04B 2235/3286 (2013.01 - EP); C04B 2235/5436 (2013.01 - EP US); C04B 2235/5463 (2013.01 - EP US); F01D 5/288 (2013.01 - EP); F05D 2230/312 (2013.01 - EP US); F05D 2300/2118 (2013.01 - EP)
Citation (search report)
See references of WO 2019149857A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
FR 3077288 A1 20190802; CN 111670163 A 20200915; EP 3746405 A1 20201209; US 2021061716 A1 20210304; WO 2019149857 A1 20190808
DOCDB simple family (application)
FR 1850825 A 20180131; CN 201980011062 A 20190131; EP 19701562 A 20190131; EP 2019052443 W 20190131; US 201916965249 A 20190131