. . . "gamma double prime" . . "Superalloy" . . . . "advanced metal alloys" . . . "improved materials" . . "nickel alloy" . "super-alloys" . "Nickel based Superalloys" . "super-alloy" . . "super alloys" . . "super alloy" . "superalloys" . "superalloy" . . "Superalloy" . . "Nickel-based superalloys" . "higher performance alloys" .