Engineering topics

Quinn, J. D.

Publications and source records attributed to Quinn, J. D..

2 records

NASA NTRS1979

Burn-test apparatus for fiber composites

Burn-test apparatus made from conductive metal grid and indicator lamp monitors release of conductive carbon fibers from specimen of carbon-reinforced composites exposed to flame. Procedure is more sensitive than photographing or physically trapping and counting fibers.

Dowler, W. L.↗

NASA NTRS1966

Solid state detectors monitor relay contacts

Hand carried, solid state, 18-channel detector system constantly monitors contact conditions in relays. The system is relatively insensitive to external noise and is powered by standard 110 volt ac.

Quinn, J. D.↗