- 专利标题: Coating method for vehicle shift fork and shift fork with amorphous coating layer formed by the same
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申请号: US15906941申请日: 2018-02-27
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公开(公告)号: US10969010B2公开(公告)日: 2021-04-06
- 发明人: Min Gyun Chung
- 申请人: Hyundai Motor Company
- 申请人地址: KR Seoul
- 专利权人: Hyundai Motor Company
- 当前专利权人: Hyundai Motor Company
- 当前专利权人地址: KR Seoul
- 代理机构: Mintz Levin Cohn Ferris Glovsky and Popeo, P.C.
- 代理商 Peter F. Corless
- 优先权: KR10-2014-0149688 20141031
- 主分类号: B60K20/00
- IPC分类号: B60K20/00 ; F16H63/32 ; C23C4/02 ; C23C4/08 ; C23C4/129
摘要:
Provided herein is a coating method for a vehicle shift fork and the methods includes: preparing a Fe—Cr—Mo-based composition such as a powder; pretreating the shift fork by washing a pad part of the shift fork to remove impurities; forming a coating layer on the pad part using the Fe—Cr—Mo-based powder by high velocity oxygen fuel spraying (HVOF) method; and cooling the coating layer at a rate of about 106 to about 108 K/s to form an amorphous coating layer. Further provided are an amorphous coating formed by high velocity oxygen fuel spraying (HVOF) method and a shift fork including the amorphous coating.
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