Options
Title
Diamant-Compositschichtsystem, Verfahren zu seiner Herstellung und seine Verwendung
Date Issued
1998
Author(s)
Dietz, A.
Bluhm, A.
Schaefer, L.
Klages, C.-P.
Patent No
1995-19513102
Abstract
A diamond-composite layer system comprises (a) a 0.1-100 mum thick dispersion layer (2) which adheres to a substrate (1) and which consists of a first electrically conductive metal (alloy) phase and 0.1-60 vol.% of a second electrically non-conductive phase; and (b) an overlying 1-100 mum thick diamond layer (3). Also claimed is a two-step process for deposition of the above layer system involving (i) applying the dispersion layer; and (ii) depositing the diamond layer by low pressure CVD. USE - The layer system is used as a coating for machining, shaping or levelling tools, as a coating on plastics processing tools, as a wear resistant coating on components and as an electrical insulation layer (claimed). ADVANTAGE - The dispersion layer allows prodn. of adherent load-bearing diamond layers esp. on cemented carbides and steels, acts as a different barrier, allows hardness and expansion coefft. adjustment and allows economical application of the layer system onto tools and components.
Language
de
Patenprio
DE 1995-19513102 A: 19950407