A COATING OF AN ALUMINIUM OR ALUMINIUM ALLOY METAL SHEET OR STRIP FOR HOT FORMING OR SUPERELASTIC FORMING

摘要

In order to provide an improved handling and preparation of metal sheets or strips, in particular allowing a more secure handling of the metal sheet or strip while achieving at the same time a less laborious and more accurate lubrication before forming of the metal sheet or strip, there is provided a coating of a metal sheet or strip comprising a lubricant and a protective base material, wherein the lubricant is contained in the protective base material and wherein the protective base material is at least in part selectively removable. There is also provided a metal sheet or strip capable of forming, in particular of superplastic forming, and having a coating according to the invention at least partially on one or on both sides of the metal sheet and a method for manufacturing a metal sheet or strip according to the invention comprising the steps of providing a metal sheet or strip capable of forming, in particular of superplastic forming, and applying a coating according to the invention.