A number of variations may include a product including a substrate comprising a metal comprising an etched region and a first layer comprising a clear coat overlying the etched region wherein the etched region is constructed and arranged to improve filiform corrosion resistance on the substrate.

A plasma vapor deposited (PVD) coating method. The method includes overlaying a primer polymer layer onto a substrate surface. The method further includes overlaying a chrome metallic layer onto the primer polymer. The method also includes depositing a plasma vapor deposited (PVD) oxide layer of a thickness of 1 to 5 nanometers onto the chrome metallic layer and having a parameter of color change of the underlying chrome metallic layer. The color change may be determined according to the following equation:
E*.sub.ab={square root over ((L*).sup.2+(a*).sup.2+(b*).sup.2)}
L is the color brightness of the oxide layer, and a and b are the color-component dimensions of the oxide and metallic layers. E*.sub.ab may be less than 2.3. The method further includes overlaying an exposed polymeric layer onto the PVD oxide layer to form a protective layer at the interface between the exposed polymeric layer and the oxide layer.

A corrosion resistant wheel including a body having an outer surface and an inner surface, and a mounting plate having a front surface and a rear surface, wherein the body is adapted for securement to a vehicle and/or trailer, a primary anticorrosion layer associated with at least one of the inner and outer surfaces of the wheel body and/or at least one of the front and rear surfaces of the mounting plate, an optional secondary layer associated with the primary anticorrosion layer, and a tertiary layer associated with the secondary layer.

A plasma vapor deposited (PVD) coating method. The method includes overlaying a primer polymer layer onto a substrate surface. The method further includes overlaying a chrome metallic layer onto the primer polymer. The method also includes depositing a plasma vapor deposited (PVD) oxide layer of a thickness of 1 to 5 nanometers onto the chrome metallic layer and having a parameter of color change of the underlying chrome metallic layer. The color change may be determined according to the following equation:

E*.sub.ab={square root over ((L*).sup.2+(a*).sup.2+(b*).sup.2)}

L is the color brightness of the oxide layer, and a and b are the color-component dimensions of the oxide and metallic layers. E*.sub.ab may be less than 2.3. The method further includes overlaying an exposed polymeric layer onto the PVD oxide layer to form a protective layer at the interface between the exposed polymeric layer and the oxide layer.

A corrosion resistant wheel including a body having an outer surface and an inner surface, and a mounting plate having a front surface and a rear surface, wherein the body is adapted for securement to a vehicle and/or trailer, a primary anticorrosion layer associated with at least one of the inner and outer surfaces of the wheel body and/or at least one of the front and rear surfaces of the mounting plate, an optional secondary layer associated with the primary anticorrosion layer, and a tertiary layer associated with the secondary layer.