Global Patent Index - EP 0250656 A1

EP 0250656 A1 19880107 - Low temperature underaging of lithium bearing alloys.

Title (en)

Low temperature underaging of lithium bearing alloys.

Title (de)

Unvollständige Aushärtung von lithiumhaltigen Legierungen bei niedriger Temperatur.

Title (fr)

Sous-vieillissement à basse température d'alliages contenant du lithium.

Publication

EP 0250656 A1 19880107 (EN)

Application

EP 86201174 A 19860703

Priority

EP 86201174 A 19860703

Abstract (en)

The combination of strength and fracture toughness properties of aluminum-lithium alloys are significantly enhanced by underaging the alloys at temperatures ranging from 200 DEG F to below 300 DEG F for relatively long periods of time.

IPC 1-7

C22F 1/04; C22C 21/00

IPC 8 full level

C22C 21/00 (2006.01); C22F 1/04 (2006.01)

CPC (source: EP)

C22C 21/00 (2013.01); C22F 1/04 (2013.01)

Citation (search report)

Designated contracting state (EPC)

DE FR GB IT NL

DOCDB simple family (publication)

EP 0250656 A1 19880107

DOCDB simple family (application)

EP 86201174 A 19860703