Ion Implanting Bearing Surfaces for Corrosion Resistance

[+] Author and Article Information
R. Valori, D. Popgoshev

Naval Air Propulsion Center, Trenton, N.J.

G. K. Hubler

Naval Research Laboratory, Washington, D.C.

J. of Lubrication Tech 105(4), 534-541 (Oct 01, 1983) (8 pages) doi:10.1115/1.3254665 History: Received April 01, 1982; Online November 13, 2009


A program is currently underway to use ion implantation to improve the tribological and corrosion characteristics of load bearing surfaces in both rolling element bearings and gears used in aircraft propulsion systems. This paper describes that aspect of the program concerned with the use of ion implantation for surface alloying of bearing components in order to alleviate the problem of corrosion in costly M50 steel mainshaft aircraft engine bearings. Results to data indicate that implantation of selected ion species can significantly improve resistance to both generalized and localized (pitting) corrosion without adversely affecting bearing performance or fatigue endurance life.

Copyright © 1983 by ASME
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