The turbine blades have had a ceramic thermal barrier coating applied, and now we install them into the J47 engine which will be installed in an F86-F Sabre.
J47 Ceramic Blades - Turbine Engines: A Closer Look
Aerospike Engines - Why Aren't We Using them Now?
The Mighty J58 - The SR-71's Secret Powerhouse
WHY DO WE FLY SO SLOWLY?
Inside MIT's Nuclear Reactor
GE90 and GEnx Composite fan blades
Why are the jet-engines placed there? Wings vs Tail
Why was the BF109 so slow compared with the P51?