EP 4055201 A1 20220914 - SUPERALLOY AIRCRAFT PART COMPRISING A COOLING CHANNEL
Title (en)
SUPERALLOY AIRCRAFT PART COMPRISING A COOLING CHANNEL
Title (de)
SUPERLEGIERUNGSFLUGZEUGTEIL MIT KÜHLKANAL
Title (fr)
PIECE D'AERONEF EN SUPERALLIAGE COMPRENANT UN CANAL DE REFROIDISSEMENT
Publication
Application
Priority
- FR 1912379 A 20191105
- FR 2020052002 W 20201105
Abstract (en)
[origin: WO2021089945A1] The present invention relates to a part comprising a substrate made of a nickel-based superalloy, the substrate having a first average mass fraction of one or more first elements chosen from hafnium, silicon and chromium, the substrate comprising at least one open cavity in the part and preferably a cooling channel, the substrate further comprising a surface layer at least partially forming the cavity, the surface layer having a second average mass fraction of the first element or first elements which is strictly greater than the first average mass fraction.
IPC 8 full level
C23C 10/02 (2006.01); C23C 10/32 (2006.01); C23C 10/36 (2006.01); C23C 10/38 (2006.01); C23C 10/40 (2006.01); C23C 10/44 (2006.01); C23C 10/46 (2006.01); C23C 10/52 (2006.01); C23C 10/58 (2006.01); C23C 16/06 (2006.01); C23C 16/24 (2006.01); C23C 16/56 (2006.01); C23C 28/02 (2006.01)
CPC (source: EP US)
C22C 19/057 (2013.01 - US); C23C 10/02 (2013.01 - EP); C23C 10/10 (2013.01 - US); C23C 10/32 (2013.01 - EP); C23C 10/36 (2013.01 - EP); C23C 10/38 (2013.01 - EP); C23C 10/40 (2013.01 - EP); C23C 10/44 (2013.01 - EP); C23C 10/46 (2013.01 - EP); C23C 10/52 (2013.01 - EP); C23C 10/58 (2013.01 - EP); C23C 10/60 (2013.01 - US); C23C 16/06 (2013.01 - EP); C23C 16/24 (2013.01 - EP); C23C 28/02 (2013.01 - EP); C23C 28/021 (2013.01 - EP); C23C 28/023 (2013.01 - EP); Y02T 50/60 (2013.01 - EP)
Citation (search report)
See references of WO 2021089945A1
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 3102775 A1 20210507; FR 3102775 B1 20220422; CN 114667365 A 20220624; EP 4055201 A1 20220914; US 2022356555 A1 20221110; WO 2021089945 A1 20210514
DOCDB simple family (application)
FR 1912379 A 20191105; CN 202080076901 A 20201105; EP 20816268 A 20201105; FR 2020052002 W 20201105; US 202017774187 A 20201105