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Mechanical component for internal combustion engine, manufacturing method of mechanical component for internal combustion engine, and mechanical component
US2017268109A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2017268109-A1 |
| Application number | US-201715614014-A |
| Country | US |
| Kind code | A1 |
| Filing date | Jun 5, 2017 |
| Priority date | May 27, 2013 |
| Publication date | Sep 21, 2017 |
| Grant date | — |
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- Title
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- Abstract
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Abstract
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A mechanical component for an internal combustion engine includes a mechanical component body made of one of aluminum and aluminum alloy and used for the internal combustion engine, a nickel plating layer formed to cover a surface of a predetermined portion of the mechanical component body, and a reforming layer formed between the surface of the predetermined portion of the mechanical component body and the nickel plating layer.
First claim
Opening claim text (preview).
1 . A manufacturing method of a mechanical component for an internal combustion engine, the manufacturing method of comprising steps of: forming a reforming layer that includes nickel and a concave-convex form on a surface of a predetermined portion of a mechanical component body that is made of one of aluminum and aluminum alloy by a fine particle shot peening process utilized nickel and performed on the surface of the predetermined portion of the mechanical component body; and forming a nickel plating layer to cover the surface of the predetermined portion of the mechanical component body at which the reforming layer is formed; a hardness of the reforming layer is specified to be greater than a hardness of the surface of the predetermined portion of the mechanical component body and to be smaller than a hardness of the nickel plating layer, and a hardness of the reforming layer is in a range of 200 HV to 400 HV. 2 . The manufacturing method according to claim 1 , wherein a concentration of nickel included in the nickel plating layer is within a range of 85 wt % to 96 wt %, and a concentration of nickel included in the reforming layer is within a range of 5 wt % to 20 wt %. 3 . The manufacturing method according to claim 2 , wherein a thickness of the reforming layer is in the range of 3 μm to 10 μm.
Assignees
Inventors
Classifications
- C23C18/1806Primary
by mechanical pretreatment, e.g. grinding, sanding · CPC title
Coating with nickel, cobalt or mixtures thereof with phosphorus or boron (C23C18/50 takes precedence) · CPC title
Heat-treatment · CPC title
having variation in thickness · CPC title
Next to Group VIII or IB metal-base component · CPC title
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- What does patent US2017268109A1 cover?
- A mechanical component for an internal combustion engine includes a mechanical component body made of one of aluminum and aluminum alloy and used for the internal combustion engine, a nickel plating layer formed to cover a surface of a predetermined portion of the mechanical component body, and a reforming layer formed between the surface of the predetermined portion of the mechanical component…
- Who is the assignee on this patent?
- Aisin Seiki
- What technology area does this patent fall under?
- Primary CPC classification C23C18/1806. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Thu Sep 21 2017 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).