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Title
Verbundkoerper aus vakuumbeschichtetem Sinterwerkstoff und Verfahren zu seiner Herstellung
Date Issued
1998
Author(s)
Goedicke, K.
Hoetzsch, G.
Fietzke, F.
Zywitzki, O.
Schiller, S.
Reschke, J.
Hempel, W.
Patent No
1995-19518779
Abstract
The 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.
Language
de
Patenprio
DE 1995-19518779 A: 19950522