公开(公告)号：US20200347490A1

公开(公告)日：2020-11-05

申请号：US16552152

申请日：2019-08-27

Applicant: CITIC Dicastal CO., LTD.

Inventor： Junfu LI ,  Zaide Wang ,  Shengchao Zhang ,  Peng Han ,  Shuai Li ,  Huanming Ma ,  Mengnan Ma

IPC: C23C14/02 ,  C23C14/16 ,  C23C14/35 ,  C23C14/58 ,  B05D1/12

Abstract: The disclosure provides a metal surface protective layer and a preparation method thereof. The metal surface protective layer comprises an organic medium layer, a metal coating layer and a transparent powder layer from inside to outside, wherein the organic medium layer is formed by spraying organic medium powder onto the surface of metal to be treated, the metal coating layer is formed by performing magnetron sputtering PVD plating on the organic medium layer, the organic medium layer is subjected to surface activation and cleaning treatment before the magnetron sputtering PVD plating, and the transparent powder layer is formed by spraying transparent powder onto the metal coating layer.

公开(公告)号：US11660636B2

公开(公告)日：2023-05-30

申请号：US16552075

申请日：2019-08-27

Applicant: CITIC Dicastal CO., LTD.

Inventor： Peng Han ,  Qingwang Wei ,  Yafei Song ,  Yongfeng Shu ,  Jian Zhang ,  Kun Gu ,  Yu Liu ,  Jian Li

IPC: B05D7/00 ,  B05D1/00 ,  B05D1/02 ,  B05D1/12 ,  B05D1/36 ,  B60B27/00

CPC classification number: B05D7/572 ,  B05D1/00 ,  B05D1/02 ,  B05D1/12 ,  B05D1/36 ,  B60B27/00 ,  B60B2310/616 ,  B60B2310/654 ,  B60B2360/104 ,  B60B2900/211 ,  B60B2900/572

Abstract: The present disclosure provides an aluminum alloy coating, an aluminum alloy wheel hub and a spraying method of an aluminum alloy wheel hub. The aluminum alloy coating includes a base powder layer, a main body layer and a transparent powder layer from inside to outside. The main body layer includes at least two prime coat layers and at least two colored paint layers which are superposed in a preset order.