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公开(公告)号：US20210207271A1
公开(公告)日：2021-07-08
申请号：US17125270
申请日：2020-12-17
Applicant: ROLLS-ROYCE plc
Inventor： Feng LI , Iulian MARINESCU , Adrian WY TAN , Sun WEN , Erjia LIU
Abstract: A method comprising: cold-spraying a surface of a substrate with a bond material to form a bond coating; and cold-spraying a surface of the bond coating with a coating material to form a top coating. The bond material is different from the coating material and harder than the surface of the substrate.
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