Blisks (blade-integrated disks) are monolithic rotor assemblies in which aerofoil blades and the supporting disk are manufactured as a single component, eliminating the need for blade-root fixings and dovetail slots. Produced from titanium alloys, nickel superalloys, or MMCs via 5-axis CNC milling, electrochemical machining (ECM), linear friction welding (LFW), or additive manufacturing, blisks are employed across fan and compressor stages to reduce weight and improve aerodynamic efficiency.
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