
doi: 10.2172/4116971
The concept of operating bearings and gears unlubricated in a helium environment was questioned as to fundamental soundness. Tests were made to determine if immediate gross failure occurs. A bearing of standard manufacture was operated in helium for 42 hr. A high degree of gradual wear was encountered. No gross or sudden failures were found. (W.L.H.)
Wear, Testing, Quantitative Analysis, Leaks, Engineering And Equipment, Bearings, Stability, Helium, 620
Wear, Testing, Quantitative Analysis, Leaks, Engineering And Equipment, Bearings, Stability, Helium, 620
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