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