Invention Grant
- Patent Title: Methods of repairing engine components
- Patent Title (中): 修理发动机部件的方法
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Application No.: US12020917Application Date: 2008-01-28
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Publication No.: US07824510B2Publication Date: 2010-11-02
- Inventor: Yiping Hu , Timothy Hudson , Eric Reinholz , Calum Macintyre
- Applicant: Yiping Hu , Timothy Hudson , Eric Reinholz , Calum Macintyre
- Applicant Address: US NJ Morristown
- Assignee: Honeywell International Inc.
- Current Assignee: Honeywell International Inc.
- Current Assignee Address: US NJ Morristown
- Agency: Ingrassia Fisher & Lorenz, P.C.
- Main IPC: B23K31/00
- IPC: B23K31/00

Abstract:
Methods are provided for repairing an engine component. In an embodiment, a method includes forming at least one layer of a first braze alloy mixture including about 40% by weight of a first base alloy material and about 60% by weight of a first braze alloy material, over a structural feature of the component. The first braze alloy material includes chromium, cobalt, tungsten, tantalum, aluminum, hafnium, carbon, boron, and a balance of nickel. A second braze alloy mixture is disposed over the at least one layer of the first braze alloy mixture, the second braze alloy mixture including between about 50% and about 60% by weight of a second base alloy material, and between about 40% and about 50% by weight of a second braze alloy material. The component is then subjected to heat treatment, and may be further subjected to machining, coating and final inspection.
Public/Granted literature
- US20090188590A1 METHODS OF REPAIRING ENGINE COMPONENTS Public/Granted day:2009-07-30
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