NASA NTRS · 19660000044
Protective coating withstands high temperature in oxidizing atmosphere
Abstract
Protective coating containing a plasma arc sprayed mixture of hafnium oxide and zirconium diboride will withstand high temperatures in an oxygen rich atmosphere. Used on a homogeneous tungsten thermocouple, it does not flake or crack on subsequent cooling and reheating, and does not degrade the thermocouple response time.
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Mellor, C. H.. 1966-02-01. Protective coating withstands high temperature in oxidizing atmosphere. https://ntrs.nasa.gov/citations/19660000044
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