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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.

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At least 919 records · Page 51

Predicting fatigue life of metal bellows

Classical method of presenting fatigue data in plots of alternating stress vs number of deflection cycles is applied to bellows formed of various metals, including corrosion-resistant steel, nickel alloys, and aluminum alloys. The expected life of a new bellows design can then be determined before fabrication and testing.

Daniels, C. M.↗

Radar studies of the earth.

Radar backscattering from earth investigated by aircraft and rocket flights, discussing echo vs altitude and penetration of wave into surface

Brown, W. E.↗