Scuffing Resistance of Advanced Gear Material/Lubricant Combinations

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

Naval Air Propulsion Center, Trenton, N.J. 08628

J. of Lubrication Tech 102(2), 253-255 (Apr 01, 1980) (3 pages) doi:10.1115/1.3251491 History: Revised July 10, 1979; Online November 17, 2009


Two advanced carburizing grade gear steels were evaluated and compared against an AMS 6260 baseline material. Each material was evaluated on three lubricants (an unformulated ester basestock, a qualified MIL-L-23699B lubricant, and an advanced MIL-L-23699 type lubricant) to determine their gear scuffing/scoring capacities. The results show that (a) a 3Ni-4.5Mo alloy is superior to a 3Ni-2Cu alloy and to the AMS 6260 alloy with the lubricants evaluated, (b) the 3Ni-2Cu alloy is superior to the AMS 6260 with the fully formulated lubricants, and (c) the advanced MIL-L-23699 type lubricant showed significant load carrying capacity improvements for all three gear steels.

Copyright © 1980 by ASME
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