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RESEARCH PAPERS

Ion-Plated Thin Films for Anti-Wear Applications

[+] Author and Article Information
N. Ohmae, T. Tsukizoe

Department of Precision Engineering, Osaka University, Osaka, Japan

T. Nakai

Sumitomo Electric Industries, Ltd., Hyogo, Japan

J. of Lubrication Tech 100(1), 129-135 (Jan 01, 1978) (7 pages) doi:10.1115/1.3453102 History: Received January 18, 1977; Online October 20, 2010

Abstract

Anti-wear applications of ion-plated thin films have been investigated. Ion-plated films always showed better wear-resistance to fretting than the other vacuum-deposited films. Ion-plated chromium, gold, cadmium, zirconium, and boron carbide films have been effective in the prevention of fretting. Durability-surface was expressed three-dimensionally, and high hardness and large ion-radius were analyzed to be important factors for wear-resistance in air. Adhesion of coatings is critical to wear-resistance. Structures of film, interface, and substrate were studied with transmission and scanning electron microscopes and these all were found to be correlated with a good adhesion of ion-plated films. Microfibrous structure of film, microscopically intricate interface, and lattice defect concentration in substrate caused high adhesive strength of ion-plated films.

Copyright © 1978 by ASME
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