Invention Grant
- Patent Title: Nickel base super alloys and methods of making the same
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Application No.: US16221452Application Date: 2018-12-15
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Publication No.: US10801088B2Publication Date: 2020-10-13
- Inventor: Laura Cerully Dial , Michael Francis Xavier Gigliotti, Jr.
- Applicant: GENERAL ELECTRIC COMPANY
- Applicant Address: US NY Schenectady
- Assignee: General Electric Company
- Current Assignee: General Electric Company
- Current Assignee Address: US NY Schenectady
- Agency: Dority & Manning, P.A.
- Main IPC: C22C19/05
- IPC: C22C19/05 ; C22F1/10 ; B23K26/342 ; B23K26/00 ; C22C1/04 ; B33Y80/00 ; B22F3/105 ; H01F1/147 ; B33Y10/00 ; B23K103/08

Abstract:
Methods of forming an intermediate alloy and a Ni-base super alloy are disclosed along with the intermediate alloy and the Ni-base super alloy formed by the method. The method includes at least partially melting and solidifying a powder including about 5 to 15 wt. % of Co, 10 to 20 wt. % of Cr, 3 to 6 wt. % of Mo, 3 to 6 wt. % of W, 2 to 4 wt. % of Al, 4.2 to 4.7 wt. % of Ti, 0.01 to 0.05 wt. % of Zr, 0.015 to 0.060 wt. % of C, 0.001 to 0.030 wt. % of B and balance substantially Ni to form an intermediate alloy including a dendrite structure that includes columnar regions and intercolumnar regions and a primary dendrite arm spacing less than about 3 micrometers. The intermediate alloy is heat-treated to form the texture-free Ni-base super alloy.
Public/Granted literature
- US20200024699A1 NICKEL BASE SUPER ALLOYS AND METHODS OF MAKING THE SAME Public/Granted day:2020-01-23
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