NDLI: Submicron coatings for micro-tribological applications

Content Provider	Springer Nature Link
Author	Bandorf, R. Lüthje, H. Schiffmann, K. Beck, M. Gatzen, H. H. Schmidt, M. Büttgenbach, S. Bräuer, G.
Copyright Year	2004
Abstract	The miniaturisation of mechanical components and machines enables innovative future products. However, for the improvement of functionality, reliability and lifetime of those micro systems, micro tribological coatings with thicknesses in the sub-micron range are needed. To cover these needs, we investigated different submicron coatings with the aim to develop wear and friction optimized thin films for this application. The basis of this work has been the state of the art know how of well established macroscopic coatings which in general are in a thickness range of a few micrometers. It turned out, that particularly the surface topography and the substrate material influence the properties of very thin films. For investigations with single asperity contact, the coefficient of friction (COF) was reduced by lowering the tip radius and the hardness of the substrate material. In contrast, for larger contact radii (pin-on-disc), an increase of the COF with decreasing substrate Young’s modulus was found. With respect to wear, it turned out that the wear depth increased dramatically with increasing initial surface roughness (R a ).
Starting Page	223
Ending Page	226
Page Count	4
File Format	PDF
ISSN	09467076
Journal	Microsystem Technologies
Volume Number	10
Issue Number	3
e-ISSN	14321858
Language	English
Publisher	Springer-Verlag
Publisher Date	2004-01-01
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Content Type	Text
Resource Type	Article
Subject	Nanoscience and Nanotechnology Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering Hardware and Architecture

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