The nickel aluminum zirconium alloy coating comprises 10 vol % to 60 vol % of the beta phase nickel aluminum or 25 vol % to {HEAD ~ 75 vol %} of {TAIL ~ the beta phase nickel aluminum} 
of
The nickel aluminum zirconium alloy coating comprises 10 vol % to 60 vol % of the beta phase nickel aluminum or 25 vol % to { HEAD ~ 75 vol % } of { TAIL ~ the beta phase nickel aluminum }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL