This invention relates to {HEAD ~ thermal barrier coatings} for {TAIL ~ components} exposed to high temperatures, such as the hostile thermal environment of a gas turbine engine 
for
This invention relates to { HEAD ~ thermal barrier coatings } for { TAIL ~ components } exposed to high temperatures , such as the hostile thermal environment of a gas turbine engine
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH