A cylinder block has a metal film on an inner circumferential surface of each cylinder. The film is constituted by a first sprayed layer formed on the inner circumferential surface of the cylinder and a second sprayed layer formed on the inner circumferent...

Component comprises a basic material (10), a rip-stop layer (12) having a thickness of at least 3 mu m and a partially anodized aluminum layer (14). An independent claim is also included for a process for the production of a surface on a component.