Global Patent Index - EP 3366794 A1

EP 3366794 A1 20180829 - NI-BASED SUPERALLOY

Title (en)

NI-BASED SUPERALLOY

Title (de)

SUPERLEGIERUNG AUF NI-BASIS

Title (fr)

SUPERALLIAGE À BASE DE NI

Publication

EP 3366794 A1 20180829 (EN)

Application

EP 18157015 A 20180215

Priority

JP 2017033971 A 20170224

Abstract (en)

The present invention relates to an Ni-based superalloy having a composition containing, in terms of % by mass, C: from 0.1 to 0.3%, Cr: from 8.0 to 12.0%, Mo: from 1.0 to 5.0%, Co: from 10.0 to 20.0%, Ta: from 0.01 to 1.50%, Ti: from 2.0 to 4.2%, Al: from 5.0 to 8.0%, V: from 0 to 1.5%, B: from 0.005 to 0.030%, and Zr: from 0.05 to 0.15%, with the balance being Ni and unavoidable impurities, and satisfying, in terms of atom%, Ti+Al being from 16.0 to 20.3% and Ti/Al being 0.3 or less.

IPC 8 full level

C22C 19/05 (2006.01)

CPC (source: CN EP US)

C22C 19/05 (2013.01 - EP US); C22C 19/056 (2013.01 - CN EP US); C22C 19/057 (2013.01 - EP US)

Citation (applicant)

JP 2015101753 A 20150604 - IHI CORP

Citation (search report)

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)

EP 3366794 A1 20180829; EP 3366794 B1 20190619; CN 108504903 A 20180907; CN 108504903 B 20200728; JP 2018138690 A 20180906; JP 6769341 B2 20201014; US 10385426 B2 20190820; US 2018245188 A1 20180830

DOCDB simple family (application)

EP 18157015 A 20180215; CN 201810156719 A 20180224; JP 2017033971 A 20170224; US 201815900460 A 20180220