Coating plastic components by means of kinetic cold gas spraying

Abstract

A method for coating a plastic surface and a plastic component is disclosed. The method includes applying a base layer to a plastic surface. A layer of a coating is applied by kinetic cold gas spraying on the base layer. The base layer is applied by a method that is different from the kinetic cold gas spraying. The base layer adheres to the plastic surface and the layer of the coating applied by kinetic cold gas spraying is deposited on the base layer by the kinetic cold gas spraying.

1 .- 11 . (canceled) 
     
     
         12 . A method for coating a plastic surface, comprising the steps of:
 applying a base layer to the plastic surface;   applying a layer of a coating by kinetic cold gas spraying on the base layer;   wherein the base layer is applied by a method that is different from the kinetic cold gas spraying;   and wherein the base layer adheres to the plastic surface and the layer of the coating applied by kinetic cold gas spraying is deposited on the base layer by the kinetic cold gas spraying.   
     
     
         13 . The method according to  claim 12 , wherein a material of the plastic surface and a composition of the coating applied by the kinetic cold gas spraying are such that a direct deposition of the coating applied by the kinetic cold gas spraying directly on the plastic surface is not possible. 
     
     
         14 . The method according to  claim 12 , wherein the base layer is a metallic layer. 
     
     
         15 . The method according to  claim 12 , wherein the method of applying the base layer is galvanic deposition or physical vapor deposition or cathode sputtering or chemical vapor deposition. 
     
     
         16 . The method according to  claim 12 , wherein the plastic surface is a fiber-reinforced plastic. 
     
     
         17 . The method according to  claim 12 , wherein the base layer is applied with a thickness with which damage to the plastic surface is prevented during the applying of the layer of the coating by kinetic cold gas spraying on the base layer. 
     
     
         18 . The method according to  claim 12 , wherein the base layer is applied with a thickness of 20 μm to 200 μm. 
     
     
         19 . The method according to  claim 12 , wherein during the step of applying the layer of the coating by kinetic cold gas spraying on the base layer, particles of the layer are deformed. 
     
     
         20 . The method according to  claim 19 , wherein the particles are fused with the base layer. 
     
     
         21 . A plastic component, comprising:
 a plastic surface; and   a coating, wherein the coating includes:
 a base layer on the plastic surface; and 
 a layer applied by kinetic cold gas spraying on the base layer; 
 wherein the base layer is applied to the plastic surface by a method that is different from the kinetic cold gas spraying; 
 wherein the base layer is adhered on the plastic surface; 
 and wherein particles of the layer applied by kinetic cold gas spraying are deformed on the base layer. 
   
     
     
         22 . The plastic component according to  claim 21 , wherein the plastic surface is a fiber-reinforced plastic. 
     
     
         23 . The plastic component according to  claim 21 , wherein the layer applied by kinetic cold gas spraying on the base layer is a high-strength, wear-resistant layer. 
     
     
         24 . The plastic component according to  claim 21 , wherein the particles are fused with the base layer.