EP 1433863 B1 20070627 - Method for producing homogeneous fine grain titanium alloys suitable for ultrasonic inspection
Title (en)
Method for producing homogeneous fine grain titanium alloys suitable for ultrasonic inspection
Title (de)
Verfahren zur Herstellung von Titan-Legierungen mit feiner Kornstruktur zur verbesserten Ultraschall-Prüfbarkeit
Title (fr)
Procédé de préparation d'alliages de titane ayant une structure granulaire fine pour améliorer l'abilité d'inspection par ultrasons
Publication
Application
Priority
RU 2002135197 A 20021226
Abstract (en)
[origin: EP1433863A1] A titanium material production method for producing homogeneous fine grain titanium material in which the titanium material has a grain size in a range from about 5 mu m to about 20 mu m. The method comprises providing a titanium material blank; conducting a first heat treatment on the titanium material blank to heat the titanium material blank to a beta -range; quenching the titanium material blank from the beta -region to the alpha + beta -region; forging the titanium material blank; and conducting a second heat treatment on the titanium material blank. The titanium material production method subjects the titanium material blank to superplasticity conditions during part of the titanium material production method.
IPC 8 full level
CPC (source: EP)
C22F 1/183 (2013.01)
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
EP 1433863 A1 20040630; EP 1433863 B1 20070627; DE 60314589 D1 20070809; DE 60314589 T2 20080306; RU 2321674 C2 20080410
DOCDB simple family (application)
EP 03258060 A 20031219; DE 60314589 T 20031219; RU 2002135197 A 20021226