EP 3710610 B1 20230405 - NICKEL-BASED SUPERALLOY, SINGLE-CRYSTAL BLADE AND TURBOMACHINE
Title (en)
NICKEL-BASED SUPERALLOY, SINGLE-CRYSTAL BLADE AND TURBOMACHINE
Title (de)
SUPERLEGIERUNG AUF NICKELBASIS, EINKRISTALLINE SCHAUFEL UND TURBOMASCHINE
Title (fr)
SUPERALLIAGE A BASE DE NICKEL, AUBE MONOCRISTALLINE ET TURBOMACHINE
Publication
Application
Priority
- FR 1760679 A 20171114
- FR 2018052839 W 20181114
Abstract (en)
[origin: CA3081896A1] The invention relates to a nickel-based superalloy comprising, in weight percentages, 4.0 to 5.5 % rhenium, 1.0 to 3.0 ruthenium, 2.0 to 14.0 % cobalt, 0.3 to 1.0 % molybdenum, 3.0 to 5.0 % chromium, 2.5 to 4.0 % tungsten, 4.5 to 6.5 % aluminium, 0.50 to 1.50 % titanium, 8.0 to 9.0 % de tantalum, 0.15 to 0.30 % hafnium, 0.05 to 0.15 % silicon, the rest being nickel and inevitable impurities. The invention also relates to a single-crystal blade (20A, 20B) comprising such an alloy and to a turbomachine (10) comprising such a blade (20A, 20B).
IPC 8 full level
C22C 19/05 (2006.01); C30B 1/00 (2006.01); F01D 5/28 (2006.01)
CPC (source: EP US)
C22C 19/056 (2013.01 - EP); C22C 19/057 (2013.01 - US); F01D 5/28 (2013.01 - EP US); F05D 2300/13 (2013.01 - EP); F05D 2300/132 (2013.01 - EP); F05D 2300/175 (2013.01 - EP US); F05D 2300/177 (2013.01 - EP); F05D 2300/607 (2013.01 - EP US)
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
DOCDB simple family (publication)
FR 3073527 A1 20190517; FR 3073527 B1 20191129; BR 112020009498 A2 20201103; CA 3081896 A1 20190523; CN 111630195 A 20200904; EP 3710610 A1 20200923; EP 3710610 B1 20230405; JP 2021503043 A 20210204; JP 7305660 B2 20230710; RU 2020119485 A 20211215; RU 2020119485 A3 20211215; US 11396685 B2 20220726; US 11725261 B2 20230815; US 2021246533 A1 20210812; US 2022364208 A1 20221117; WO 2019097162 A1 20190523
DOCDB simple family (application)
FR 1760679 A 20171114; BR 112020009498 A 20181114; CA 3081896 A 20181114; CN 201880073630 A 20181114; EP 18821710 A 20181114; FR 2018052839 W 20181114; JP 2020544167 A 20181114; RU 2020119485 A 20181114; US 201816763816 A 20181114; US 202217658207 A 20220406