Effect of Carbide Distribution on Rolling-element Fatigue Life of AMS 5749National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1983 - Ball-bearings - 11 pages |
Common terms and phrases
5749 test bars Air bearing air warm 797 aircraft bearing AMS 5749 bearings axial ball bearing Bamberger banded carbides bar stock Bearing balls bearing housing bearing material bearing races Bearing Test blanks carbide bands carbide stringers Carbide structure confidence number corrosion diameter DISTRIBUTION ON ROLLING-ELEMENT EFFECT OF CARBIDE Eric N fatigue failure fatigue tester RC HARDNESS AND RETAINED HEAT TREATMENT high speed RC hot hardness idler rollers large carbide Lewis Research Center Load cell Lot A bars lubricant bulk temperature Maximum Hertz stress millimeters NASA oil-in temperature orientation percent of specimens Performing Organization RC rig tests retained austenite rig test bars rolling contact surface rolling-contact fatigue tester Rolling-element bearings shaft speed shown in figure speed RC rig standard RC rigs Statistical percent stress cycles surface contact temperature of 366 tester RC rig tests were run thrust load Typical microstructures VIM-VAR AISI M-50 VIM-VAR AMS