NICKEL-BASE ALLOYS AND METHODS OF HEAT TREATING NICKEL-BASE ALLOYS
Application 855/KOLNP/2006 published 2007-04-13, filed 2006-04-06
Embodiments of the present invention relate to nickel-base alloys, and in particular 718-type nickel-base alloys, having a desired microstructure that is predominantly strengthened by '-phase precipitates and comprises an amount of at least one grain boundary precipitate. Other embodiments of the present invention relate to methods of heat treating nickel-base alloys, and in particular 718-type nickel-base alloys, to develop a desired microstructure that can impart thermally stable mechanical properties. Articles of manufacture using the nickel-base alloys and methods of heat treating nickel-base alloys according to embodiments of the present invention are also disclosed.
Applicant
1)ATI PROPERTIES INC,
:1600 NE OLD SALEM ROAD, P.O.BOX 460 ALBANY, OR 97321 U.S.A.
Inventor
1)CAO, WEI-DI 2)KENNEDY, RICHARD, L.. No of Pages : 44 No of Claims : 44
International Info
Classification: C22C 19/05
Publication Number: WO 2005/038069
Application Date: 2004-09-28
Priority Information
10/679,899 U.S.A. 2003-10-06