Invention Grant
- Patent Title: Method for selective aluminide diffusion coating removal
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Application No.: US15310805Application Date: 2014-09-25
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Publication No.: US10590800B2Publication Date: 2020-03-17
- Inventor: Liming Zhang , Jere A. Johnson , Ying Zhou
- Applicant: GENERAL ELECTRIC COMPANY , Liming Zhang , Jere A. Johnson , Ying Zhou
- Applicant Address: US NY Schenectady
- Assignee: GENERAL ELECTRIC COMPANY
- Current Assignee: GENERAL ELECTRIC COMPANY
- Current Assignee Address: US NY Schenectady
- Agency: McNees Wallace & Nurick LLC
- International Application: PCT/CN2014/087417 WO 20140925
- International Announcement: WO2016/045043 WO 20160331
- Main IPC: C23C10/08
- IPC: C23C10/08 ; F01D25/14 ; C23C10/28 ; C23C10/60 ; C23F4/04 ; C23F1/02 ; B24C1/08 ; C23F1/20 ; C23F4/02 ; F01D25/00

Abstract:
A method for selective aluminide diffusion coating removal. The method includes diffusing aluminum into a substrate surface of a component to form a diffusion coating. The diffusion coating includes an aluminum-infused additive layer and an interdiffusion zone. The diffusion coating is solution heat treated at a temperature and for a time sufficient to dissolve at least a portion of the interdiffusion zone. Thereafter the aluminum-infused additive layer is selectively removed. An aluminide diffusion coated turbine component is also disclosed.
Public/Granted literature
- US20170081977A1 METHOD FOR SELECTIVE ALUMINIDE DIFFUSION COATING REMOVAL Public/Granted day:2017-03-23
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