Goedicke, K.K.GoedickeHoetzsch, G.G.HoetzschFietzke, F.F.FietzkeZywitzki, O.O.ZywitzkiSchiller, S.S.SchillerReschke, J.J.ReschkeHempel, W.W.Hempel2022-03-082022-03-081998https://publica.fraunhofer.de/handle/publica/303991The surface of a sintered body (1) is coated with a fully crystalline A1203 at max. 800deg.C. The coating is made up of alpha-A1203 and opt. gamma-A1203 with a (440) texture and, with the exception of argon, contains no noticeable impurities. USE - In cutting tool, esp. cutting discs. ADVANTAGE - The coating is thermally, mechanically and chemically stable and is smooth and free from cracks. The production process is environmentally friendly and economic.de608667670620patent1995-19518779