EFFECTS OF REACTOR RADIATION ON A CERAMICBONDED, A RESIN-BONDED, AND A METAL-MATRIXBONDED SOLID-FILM LUBRICANT
Section 2, Item 19 of FZM-2668B
GENERAL DYNAMICS CORP FORT WORTH TX
Pagination or Media Count:
Three solid-film lubricant formulations - PbS MoS2 B2O3, GDFW dynalube, and Almasol SFD-560 - were exposed to reactor radiation and tested for wear-life on a Hohman A-6 wear tester. Rub shoes were of Rex AAA steel, load per shoe was 110 lb, and sliding speed was 128 ftmin. Substrate materials were T-1 tool steel for GDFW Dynalube and Timken standard test races T-54148-3-233 for the other two lubricants. Several test temperatures up to 1150F were employed. The solid-film lubricant specimens received an average radiation exposure of 1.7 x 10 to the 11th power ergs gmC of gammas and 3.7 x 10 to the 16th power nsq cm E2.9 Mev of neutrons. Significant decreases in wear life occurred at 80 and 900F for Dynalube and at 900F for SFD-560 PbS MoS2 B2O3 showed no change and SFD-560 improved markedly at 80F.
- Inorganic Chemistry
- Ceramics, Refractories and Glass
- Lubricants and Hydraulic Fluids