{HEAD ~ A protective coating system} includes {TAIL ~ a nickel aluminum zirconium alloy coating} having beta phase nickel aluminum and at least one phase selected from gamma phase nickel and the gamma prime phase nickel aluminum 
includes
{ HEAD ~ A protective coating system } includes { TAIL ~ a nickel aluminum zirconium alloy coating } having beta phase nickel aluminum and at least one phase selected from gamma phase nickel and the gamma prime phase nickel aluminum
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