Global Patent Index - EP 4299776 A1

EP 4299776 A1 20240103 - TIAL ALLOY FOR FORGING, TIAL ALLOY MATERIAL, AND METHOD FOR PRODUCING TIAL ALLOY MATERIAL

Title (en)

TIAL ALLOY FOR FORGING, TIAL ALLOY MATERIAL, AND METHOD FOR PRODUCING TIAL ALLOY MATERIAL

Title (de)

TIAL-LEGIERUNG ZUM SCHMIEDEN, TIAL-LEGIERUNGSMATERIAL SOWIE VERFAHREN ZUR HERSTELLUNG VON TIAL-LEGIERUNGSMATERIAL

Title (fr)

ALLIAGE TIAL POUR FORGEAGE, MATÉRIAU À BASE D'ALLIAGE TIAL ET PROCÉDÉ DE PRODUCTION D'UN MATÉRIAU D'ALLIAGE TIAL

Publication

EP 4299776 A1 20240103 (EN)

Application

EP 22787917 A 20220314

Priority

  • JP 2021070003 A 20210416
  • JP 2022008171 A 20220121
  • JP 2022011450 W 20220314

Abstract (en)

[origin: WO2022219991A1] Provided is a TiAl alloy for forging that makes it possible to obtain a TiAl alloy material having excellent oxidation resistance and high-temperature creep strength, and that has excellent hot forgeability and can be die forged. The TiAl alloy for forging comprises 42.0-43.6 at% of Al, 0.5-2.0 at% of Cu, 3.0-7.0 at% of Nb, and a remainder of Ti and unavoidable impurities.

IPC 8 full level

C22C 14/00 (2006.01); C22F 1/00 (2006.01); C22F 1/18 (2006.01)

CPC (source: EP US)

C22C 14/00 (2013.01 - EP US); C22F 1/183 (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

Designated extension state (EPC)

BA ME

Designated validation state (EPC)

KH MA MD TN

DOCDB simple family (publication)

EP 4299776 A1 20240103; EP 4299776 A4 20240821; US 2024043978 A1 20240208; WO 2022219991 A1 20221020

DOCDB simple family (application)

EP 22787917 A 20220314; JP 2022011450 W 20220314; US 202218554683 A 20220314