| http://www.w3.org/ns/prov#value | - After the green molded core is removed from the die, it is subjected to firing at elevated (superambient) temperature in one or more steps to remove the fugitive binder and sinter and strengthen the core for use in casting metallic material, such as a nickel or cobalt base superalloy typically used to cast single crystal gas turbine engine blades and vanes (airfoils).
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