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1.发明授权公开(公告)号：US09797036B2
公开(公告)日：2017-10-24
申请号：US14670819
申请日：2015-03-27
Applicant: GM Global Technology Operations LLC
IPC: B32B3/00 , C23C8/80 , B60B3/10 , C23C8/04 , C23C8/36 , C23C14/08 , C23C14/34 , C23C28/00 , C25D11/30 , C25D13/14 , C23C8/40 , C25D7/00 , C25D11/02 , C25D11/20 , C25D11/24 , C25D11/26 , C25D17/00 , C25D17/06 , C25D11/00 , C25D13/22
CPC classification number: C23C8/80 , B60B3/10 , B60B2310/616 , B60B2310/618 , B60B2310/621 , B60B2310/654 , B60B2310/656 , B60B2310/661 , B60B2360/106 , B60B2900/141 , C23C8/04 , C23C8/36 , C23C8/40 , C23C14/081 , C23C14/34 , C23C28/32 , C23C28/345 , C25D7/00 , C25D11/005 , C25D11/026 , C25D11/20 , C25D11/246 , C25D11/26 , C25D11/30 , C25D13/14 , C25D13/22 , C25D17/005 , C25D17/06 , Y10T428/21 , Y10T428/24967
Abstract: A metal workpiece, such as a wheel, and a method of providing an enhanced corrosion resistant surface coating on an exposed surface of a metal or alloy substrate (such as magnesium). A corrosion resistance basecoat is formed, including generating an oxide layer, and applying a first primer coating onto at least a portion of the oxide layer. The method may further include identifying highest corrosion prone areas on the substrate and designing a support rack that avoids contact with these corrosion prone areas. The method also includes forming a topcoat over at least a portion of the basecoat, by applying a second primer coating onto at least a portion of the first primer coating and depositing a sputtered metallic film onto the second primer coating using a physical vapor deposition technique. A clear coat layer may be applied over the metallic film.
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公开(公告)号：US10882104B2
公开(公告)日：2021-01-05
申请号：US15574213
申请日：2015-06-02
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
IPC: B22D21/04 , C22F1/053 , C22C21/10 , B22D17/02 , C22C21/08 , B22D15/00 , B22D18/02 , B22D17/00 , B22D11/04 , B22D11/00 , C22C1/02 , C22F1/00
Abstract: A vehicle wheel, or other axisymmetric shaped article, is formed of an aluminum-based alloy by a combination of a liquid forging step of a pre-form shape of the wheel and a subsequent solid-state flow forming step to complete the specified shape of the wheel. An aluminum-based alloy, containing specified amounts of zinc, silicon, and magnesium is devised for use in the forming process. The composition of the aluminum-based alloy is devised to facilitate the performance of each forming step of the article and the mechanical properties of the final shaped product.
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公开(公告)号：US10442241B2
公开(公告)日：2019-10-15
申请号：US14916858
申请日：2013-09-05
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Lei Gao , Bin Hu , Jianfeng Wang , Anil K. Sachdev
IPC: B60B1/08 , B22D17/00 , C22C21/02 , B22D21/00 , B21J5/00 , C22F1/043 , B21K1/38 , B21K1/28 , C21D9/00 , B60B3/02
Abstract: A material and method for manufacturing components. The method includes squeeze casting the material into a component of a desired shape and flow-forming the component that has been squeeze cast to refine the shape of the component. The method also includes heat treating the component to enhance the microstructure of the component and machining the component to further refine the shape.
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公开(公告)号：US20180126452A1
公开(公告)日：2018-05-10
申请号：US15574213
申请日：2015-06-02
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
CPC classification number: B22D17/02 , B22D11/003 , B22D15/005 , B22D18/02 , C22C1/026 , C22C21/08 , C22C21/10 , C22F1/002 , C22F1/053
Abstract: A vehicle wheel, or other axisymmetric shaped article, is formed of an aluminum-based alloy by a combination of a liquid forging step of a pre-form shape of the wheel and a subsequent solid-state flow forming step to complete the specified shape of the wheel. An aluminum-based alloy, containing specified amounts of zinc, silicon, and magnesium is devised for use in the forming process. The composition of the aluminum-based alloy is devised to facilitate the performance of each forming step of the article and the mechanical properties of the final shaped product.
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